Electrical generator or motor structure patents - Monitor Patents
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Electrical generator or motor structure January recently filed with US Patent Office 01/09

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
01/29/2009 > patent applications in patent subcategories.

20090026846 - Controlled motion system: A controlled motion system with movers mounted on a hybrid track system comprised of at least one smart section and at least one dumb section. The smart sections control each mover independently, while the dumb sections drive all movers at the same speed. The transition between these sections is characterized... Agent: Jacobs Automation LLC

20090026849 - Electric machine comprising a screened leakage-field-sensitive sensor: The aim of the invention is to improve the precision of measuring leakage field sensitive sensors on electric machines. According to the invention, the electric machine comprises a sensor device (4) which is sensitive to magnetic leakage fields mounted on one of the two active parts (1) or in a... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20090026847 - Linear motor: In prior art linear motor, large burden is applied to a mechanism for supporting a moving member because magnetic attracting force acts in one direction between armature and moving member and the structure is distorted to cause various troubles. In inventive linear motor, a stator having armature winding and moving... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090026848 - Linear motor: In prior art linear motor, since magnetic attractive force acts in one direction between an armature and a moving member, heavy burden is imposed on a supporting mechanism of the moving member, distorting the structure and causing various troubles. Inventive linear motor includes a stator having armature winding and moving... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090026850 - Cylindrical oscillating fan: The present invention provides a cylindrical oscillating fan including a base, a cylindrical shell, a blade assembly, a drive motor and an oscillating drive device. The blade assembly and drive motor are assembled into the hollow groove of the cylindrical shell. The oscillating drive device is assembled into the base... Agent: Egbert Law Offices

20090026854 - Connection structure and method of connecting field coil and lead wires in vehicle alternator: A connection structure and a connection method of connecting field coils and lead wires in a vehicle alternator. The connection structure includes a rotor assembly, a rear fan, and a rotor insulator. The rotor assembly includes a rotor shaft, a spool bobbin, and rotor segments. In the connection structure, a... Agent: Bachman & Lapointe, P.C.

20090026852 - Indexing apparatus and method for installation of stator bars: A stator bar installation fixture and method for installing stator bars into specific stator core slots within a stator core of rotating electrical equipment. The stator bar installation fixture includes rotating mechanisms, rotatingly fixed at each end of the rotating electrical equipment, for supporting and controlling an angular positioning of... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090026851 - Motor armature and method of manufacturing same: A motor armature includes radially projecting laminations having T-shaped electrical steel strips including recesses on a front surface of its short part, and projections on a rear surface of the short part aligned with the recesses wherein each of the two outermost electrical steel strips further has an arcuate first... Agent: G. Link Co., Ltd.

20090026855 - Motor provided with holding structure for radial bearing: A motor may include a rotor having a rotation shaft, a stator, a first radial bearing and a second radial bearing which rotatably support the rotation shaft. The motor may further include a second plate which is fixed to the end face of the stator and is formed with a... Agent: Cantor Colburn, LLP

20090026853 - Transverse flux machine: The invention shows a transverse flux machine, including a transverse flux machine housing (200) with a stator (100) located in it and with a rotor rotating about an axis of rotation (A), wherein the stator (100) includes a coil assembly; wherein the coil assembly has at least one phase winding... Agent: Striker, Striker & Stenby

20090026856 - Brushless ac generator for use in automotive vehicle: A brushless AC generator is mounted on a vehicle such as a truck, a farming vehicle or a construction vehicle. The generator is composed of a housing, stator fixedly contained in the housing, a rotor, for supplying a magnetic field to the stator, rotatably supported in the stator, and other... Agent: Oliff & Berridge, PLC

20090026857 - Electric motor: The electric motor has a rotor (1), at least two magnet segments (2, 2′) and a housing (3). A collar (6) consisting of plastic is arranged around the housing (3) and has at least one helical projection (6′) on its outer side. An outer cover (7) in the form of... Agent: Baker Botts L.L.P. Patent Department

20090026858 - Cooling device for an electrical machine, electrical machines having a cooling device such as this, core laminate and production method for such electrical machines: The invention relates to a cooling device for an electric machine, in particular, for an electric motor comprising a stator (2) and a rotor. According to the invention, axial channeled recesses (6) are provided on the outside of the stators (2), in which a cooling tube or cooling hose may... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20090026893 - Housing for an electrical machine: The housing of an electrical machine should, despite efficient cooling, be provided with a more compact design. To this end, the invention provides that the cooling ducts (2) of a housing (1), which is preferably provided in the form of an aluminum extruded profile, are left open toward the inside.... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20090026894 - Robust stator winding temperature sensor: Disclosed herein, among other things, is a stator winding temperature sensor. According to an embodiment, the sensor includes at least one sensing wire coil adapted to be connected to a stator. The sensor also includes a body, including a core material surrounding at least a portion of the sensing wire... Agent: Schwegman, Lundberg & Woessner, P.A.

20090026895 - Electric motor systems: Electric motor systems are provided for use in vehicles. In an embodiment, by way of example only, the system includes a first inverter, a second inverter, and a motor electrically coupled to the first and the second inverters. The motor includes a stator including a plurality of slots formed therein... Agent: General Motors Corporation Legal Staff

20090026896 - Starter for engines and its starting circuit: The starter has a system of pushing the pinion gear in the direction of the anti-motor side by using the attracting power of the electromagnetic switch via the shift lever. The switch coil of the electromagnetic switch is constituted of one coil that is electrically separated from the motor circuit.... Agent: Oliff & Berridge, PLC

20090026860 - Brushless motor: A brushless motor has a first coupler comprising a molded body including an annular member and a plug integrally combined with a peripheral side wall of the annular member. The plug houses terminal rods therein. Bridges project radially inward from an inner peripheral wall surface of the annular member. Connectors... Agent: Lahive & Cockfield, LLP Floor 30, Suite 3000

20090026859 - Inner-rotor-type brushless motor having built-in bus bar: An inner-rotor-type brushless motor includes a bus bar which connects together U-phase, V-phase, and W-phase windings and connects them to output wires. The bus bar includes, as conductive members, three external terminals connected to first ends of the windings and one Y-connection terminal for connecting second ends of the windings... Agent: Mcglew & Tuttle, PC

20090026861 - Generator for exercise equipment: A generator for exercise equipment includes a disc and a case. The case has a surface. A number of first locating holes are disposed on the surface to accommodate coils therein. The case is pivotally connected to the disc. The case has an inner wall. A number of second locating... Agent: Wpat, PC Intellectual Property Attorneys

20090026862 - Brushless dc electrical generator: The present invention is a direct current generating machine that eliminates the need for brushes or other mechanical commutators. A pair of opposed, spaced apart rotatable rotors, each carrying a plurality of bar magnets, are synchronously rotated about a common axis of rotation. A stationary electrically conducting wire extends through... Agent: Dorsey & Whitney LLP Intellectual Property Department

20090026863 - Magnetic unit power plant system (mupps): The “MUPPS” Magnetic Unit Power System, employes a source of energy that has existed for eons, yet only with the assembly of items illustrated in parts specifications, “MUPPS” allows natural elements to accomplish many desired and needed remedies . . . Clean Power, No Dioxide into atmosphere, No Hazards to... Agent: Joseph E. Spallone

20090026864 - Field controllable rotating electric machine system with flux shunt control: In a magnet-exciting rotating electric machine, a magnetic field pole part opposing an armature is composed to be divided into a surface magnetic pole part and a magnetic excitation part so as to be capable of being relatively displaced. The magnetic excitation part supplies a magnetic flux to a magnetic... Agent: Ditthavong Mori & Steiner, P.C.

20090026865 - Motor and its rotor and magnetic core for rotor: A first non-magnetic portion, a second non-magnetic portion, and a third non-magnetic portion are arranged around an axis, from an end toward the center of a permanent magnet burying hole. A fourth non-magnetic portion is further provided between the second non-magnetic portion and the third non-magnetic portion. Angles around the... Agent: Birch Stewart Kolasch & Birch

20090026866 - Transverse flux machine and method for manufacturing same: A transverse flux machine with a primary part and a secondary part (300), which moves in relation to the primary part, with the primary part or secondary part (300) including a coil arrangement equipped with at least one phase module (100; 600), in which a phase module (100; 600) has... Agent: Striker, Striker & Stenby

20090026867 - Rotor and electric vehicle: A rotor includes a rotor core fixedly attached to a rotational shaft and having a plurality of hole portions arranged in the circumferential direction, a magnet inserted into a plurality of hole portions each, and a filling portion injected into the hole portion. The filling portion is injected into the... Agent: Sughrue Mion, PLLC

20090026868 - Belt alternator starter motor generator for hybrid vehicles: A stator assembly comprises a stator defining S slots. First and second windings are arranged in each of the S slots. The two windings have a width in a radial direction and a thickness in a direction perpendicular to the radial direction. A ratio of the width to the thickness... Agent: Harness Dickey & Pierce, P.L.C

20090026869 - Transverse flux reluctance machine and method for manufacturing same: A transverse flux machine or transverse flux reluctance machine with a primary part, which is provided with a coil arrangement equipped with at least one phase module (100; 600), and a secondary part (300; 400; 410, 800), which moves in relation to the primary part, in which a phase module... Agent: Striker, Striker & Stenby

20090026870 - Fusing structure of motor: A fusing structure of a motor, includes a stator and a rotor, wherein the bus ring includes a ring portion and a fusing hook, and the bobbin includes a first engagement portion for changing a direction of an end portion of the wire extending from the coil so as to... Agent: Sughrue Mion, PLLC

20090026871 - Electric motors: An electric motor includes an armature core, a commutator including a plurality of commutator segments, a neck disposed between the armature core and the commutator, and a plurality of wires each connected between two adjacent commutator segments and wound around the armature core via the neck. The wires include a... Agent: Oliff & Berridge, PLC

20090026873 - Laminated core and method for manufacturing the same: A laminated core formed by reliably and firmly connecting laminated core segments (10) in an annular form by first and second joining sections (19, 20) thereof, the first and second joining sections (19, 20) formed by alternately laminating sets of core segment sheets (21) and sets of core segment sheets... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090026872 - Split cores for motor stator, motor stator, permanent magnet type synchronous motor and punching method by split core punching die: There are provided a plurality of split cores (100) made up of laminated iron cores each having formed thereon a tooth (6), and a yoke (5) and a pole piece (9) which are made to connect to the tooth (6) at both ends thereof, and arranged and connected together into... Agent: Sughrue-265550

20090026874 - Method for mounting an armature laminated core on an armature shaft and armature laminated core for an armature shaft and armature shaft with pressed-on armature laminated core: The invention relates to a method for mounting an armature laminated core (6) on an armature shaft (2) for an electric motor, the armature shaft (2) being formed either from electrically insulating solid plastic or being a shaft which is sheathed with an electrically insulating plastic (10), the sheath (8)... Agent: Central Coast Patent Agency, Inc

20090026875 - Attachment for a magnetic structure: Attachments are removably coupled to the magnetic core of a rotating electric machine, the magnetic core being shaped to include a plurality of coil-receiving slots that are separated by radial teeth. Each attachment is constructed as a unitary member and includes a base and a stem, the stem being dimensioned... Agent: Kriegsman & Kriegsman

20090026876 - Hybrid construction electric machine: An electric machine including at least one magnetically inducible structure (2), said structure comprising at least two magnetically inducible portions (3, 4), at least one said portion being of laminar construction (3) and at least another said portion being non-laminar in construction (4), the laminar portion having greater mechanical strength... Agent: Osha Liang L.L.P.

20090026877 - Stir-welded rotors and methods of making: Provided are stir-welded rotors and methods of making these. An exemplary stir-welded rotor may include a stack of laminations that each has spaced-apart slots arrayed on an outer circumference. The slots register with slot bars that each has a first extremity extending above the stack of laminations and a second... Agent: General Motors Corporation Legal Staff

20090026878 - Can of wet-running electric motor and pump assembly: A can of a wet-running electric motor can be produced from a non-metallic material, wherein the non-metallic material is provided with at least one additional hermetically sealing layer. A pump unit having a can of this type is also provided.... Agent: Panitch Schwarze Belisario & Nadel LLP

20090026879 - Micro-scale power source: A micro-scale power source and method includes a semiconductor structure having an n-type semiconductor region, a p-type semiconductor region and a p-n junction. A radioisotope provides energy to the p-n junction resulting in electron-hole pairs being formed in the n-type semiconductor region and p-type semiconductor region, which causes electrical current... Agent: Greer, Burns & Crain

20090026880 - Micromechanical device with piezoelectric and electrostatic actuation and method therefor: A MEMS device uses both piezoelectric actuation and electrostatic actuation and also provides enough electrostatic force to enable very low voltage operation. As the electrostatic actuation uses DC and the piezoelectric actuation uses high frequency, the structure of the device minimizes the coupling of the two actuator structures to reduce... Agent: Freescale Semiconductor, Inc. Law Department

20090026882 - Oscillator based on piezoresistive resonators: An oscillator circuit is described comprising a piezoresistive resonator and a phase changing devices. Oscillator circuits with piezoresistive resonators do have the advantage that they can perform self-sustaining oscillation without additional active devices as e.g. transistors since they can be used as amplifiers. Phase changing devices as capacitors, coils and... Agent: Nxp, B.v. Nxp Intellectual Property Department

20090026881 - Piezoelectric fan, method of cooling a microelectronic device using same, and system containing same: A piezoelectric fan comprises a blade (110, 210, 310, 410, 510, 610), a piezoelectric actuator patch (120, 220, 320, 420, 520, 620, 811) adjacent to the blade, and a piezoelectric sensor patch (130, 230, 330, 430, 530, 630, 812) adjacent to one of the piezoelectric actuator patch and the blade.... Agent: Intel Corporation C/o Intellevate, LLC

20090026883 - Controller for a high frequency agitation source: A controller for a high-frequency agitation source includes a signal generator to generate a drive signal having a variable duty cycle. The drive signal is used to drive the high-frequency agitation source. The controller also includes a temperature detector to detect the temperature of the high-frequency agitation source. The controller... Agent: Morrison & Foerster LLP

20090026884 - Utrasonic actuator: An ultrasonic actuator includes: a piezoelectric element 1 for generating a bending vibration and a stretching vibration; and a driver element 2 attached to a surface of the piezoelectric element 1 facing the direction of the bending vibration in point contact with the piezoelectric element 1 and actuated in accordance... Agent: Mcdermott Will & Emery LLP

20090026885 - Actuating device, fabricating method thereof, and module variation control device using the actuating device: An actuating device is provided, which includes a deformable membrane, walls formed on the membrane to define cavities, rods formed within the cavities, and on the surface of the membrane on one side with reference to a cavity center, to move in association with the deformation of the membrane, and... Agent: Sughrue Mion, PLLC

20090026886 - Drive apparatus: Provided is a self-propelled drive apparatus that enables stable drive and low cost, the apparatus includes: a movable member which has an electromechanical transducer whose one end is fixed to the movable member and the other end is fixed to a drive friction member, which is movably supported by the... Agent: Brinks Hofer Gilson & Lione

20090026887 - Piezoelectric device, piezoelectric actuator, and liquid discharge device: In a piezoelectric device, a first electrode, a first piezoelectric film, a second piezoelectric film, and a second electrode are formed in this order on a first electrode formed above a surface of the substrate, and an intermediate electrode is arranged between the first and second piezoelectric films. Each of... Agent: Birch Stewart Kolasch & Birch

20090026888 - Actuating an optical fiber with a piezoelectric actuator and detecting voltages generated by the piezoelectric actuator: A method of one aspect may include actuating a cantilevered optical fiber by mechanically deforming a piezoelectric actuator. An electrical signal generated as a result of mechanical deformation of the piezoelectric actuator may also be detected.... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090026889 - Component for piezoelectric force or pressure sensors, held together by an electrically insulating film: The invention relates to a component for installation in force or pressure sensors, in particular in a glow plug. The component comprises a disc-type or punched-disc type measuring element consisting of a piezoelectric material, punched-disc type or disc-type electrodes that lie on either side of the measuring element. The electrodes... Agent: Dority & Manning, P.A.

20090026890 - Reducing stress gradients within piezoelectric actuators: Piezoelectric actuators of the type comprising a stack of layers of ferroelectric material and intervening electrodes which extend only part-way across the adjacent ferroelectric layers suffer differential remanent stress when electric fields are applied across the layers. To overcome this, a tensile stress is applied to the actuator along an... Agent: Delphi Technologies, Inc.

20090026891 - Stator and piezo ultrasonic motor including the same: A stator and a piezo ultrasonic motor including the same are provided. The piezo ultrasonic motor includes a stator including an elastic body having a flat portion at its outer surface and a central hole penetrating the center of the stator with a predetermined size, and a piezoelectric body including... Agent: Staas & Halsey LLP

20090026892 - Micro-cantilever: A micro-cantilever of a simple structure and capable of obtaining a larger displacement at a low voltage including a plate-like piezoelectric substrate having electrode films as an upper electrode and a lower electrode formed on both surfaces thereof, a plate-like resilient member in close contact with the piezoelectric substrate on... Agent: Knobbe Martens Olson & Bear LLP

01/22/2009 > patent applications in patent subcategories.

20090021087 - Motor: A motor includes a rotor that is rotatable about a center axis, a stator facing the rotor, a bearing housing arranged to support the stator and having a plurality of fixing portions, and a base having a through hole. The base is fixed to the bearing housing via the fixing... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20090021088 - Method for manufacturing of magnet poles: A method for manufacturing sintered magnet poles is described. A vitrifiable base material powder is filled into a mould, the mould is closed with a plate, the mould with the powder is placed in a magnetic field for aligning the powder, the plate is pressed such onto the powder as... Agent: Siemens Corporation Intellectual Property Department

20090021089 - Motor and control unit thereof: A motor and a control unit therefor comprise: salient rotor poles and salient stator poles, which are arranged along circumferences of phases A, B and C with an even interval therebetween; magnetic paths for passing magnetic fluxes, the paths permitting the magnetic fluxes passing through the salient rotor and stator... Agent: Oliff & Berridge, Plc

20090021090 - Power tools with motor having a multi-piece stator: A power tool has a motor having a stator made by separately forming pole pieces, return path pieces and field coils. The field coils are placed over necks of the pole path pieces and the return path pieces are affixed to the pole pieces. An armature having an outside diameter... Agent: Harness, Dickey & Pierce, P.L.C

20090021121 - Electrical machine: The invention relates to an electrical machine with a stator and a rotor, the rotor having a winding system (1) and being provided with a measuring/control system (2). Means are also provided which have a voltage tap (14) on the winding system of the rotor and which are used to... Agent: Henry M Feiereisen, Llc Henry M Feiereisen

20090021091 - Motor drive apparatus and its inspection method: A motor drive apparatus includes a motor unit including an output shaft and a first terminal connecting portion; a control board including a second terminal connecting portion, and configured to control a current supply to the motor unit; a housing; a shaft supporting portion supporting the output shaft; and a... Agent: Foley And Lardner LLP Suite 500

20090021092 - Jam-tolerant actuator: An actuator comprises first and second linear motion devices, each able to extend the actuator and arranged such that jamming of one of the first and second linear motion devices does not preclude operation of the other. The first linear motion device comprises a first linear screw, a first nut,... Agent: Lowe Hauptman Ham & Berner, LLP

20090021093 - Electric motors: Electric motors, for example wet rotor motors, include a rotor, a winding support, and plurality of electrical windings surrounding the rotor. In some implementations, the winding support is a rotor housing, e.g., the can of a wet rotor motor. The windings define the stator of the motor.... Agent: Fish & Richardson Pc

20090021094 - Motor, and rotor, and manufacturing method for the rotor, and a motor provided with the rotor: A motor may include a stator provided with a plurality of salient poles and coils and a rotor provided with a permanent magnet. The stator is a stator in a concentrated winding system and the permanent magnet is structured of two magnetic poles which are provided with one “S”-pole and... Agent: Cantor Colburn, LLP

20090021095 - Rotary electric machine: A rotary electric machine capable of effectively utilizing both end faces of a rotor in the rotating axis direction by suppressing magnetic saturation comprises a stator having axial parts (31) and (32) and a radial part. The axial part (31) comprises cores (311) to (314) and coils (321) to (324),... Agent: Kenyon & Kenyon LLP

20090021096 - Rotary electric machine: A rotary electric machine capable of effectively utilizing both end faces of a rotor in the rotating axis direction comprises a stator and a rotor. The stator comprises a radial part disposed in the rotating axis direction and axial parts disposed in the radial direction. The radial part and the... Agent: Kenyon & Kenyon LLP

20090021097 - Permanent magnet rotator and motor using the same: A motor generally has a contradictory relation between decrease of cogging torque and increase of torque density. To overcome this problem, continuous direction control is provided for anisotropy with modification of magnetic poles so that the average absolute value of differences between Mθ and 90×sin [φ{2π/(360/p)}] is set to be... Agent: Wenderoth, Lind & Ponack L.l.p.

20090021098 - Permanent magnet type three-phase ac generator: A permanent magnet type three-phase ac generator includes a stator having 3n (n is an integer) teeth and a tree-phase armature winding and a rotor having 4n magnetic poles each of which has a permanent magnet. The three-phase winding includes 3n coils each of which is wound around one of... Agent: Oliff & Berridge, Plc

20090021099 - Pulsed inertial electric motor: A pulsed inertial electric motor of the present invention comprises (i) a stator with an annular magnetic conductor on which an even number of permanent magnets are uniformly arranged with a predetermined pitch, (ii) a rotor separated from the stator by an air gap and bearing an even number of... Agent: Pearl Cohen Zedek Latzer, LLP

20090021100 - Stator structure of external-rotor motor: An improvement on the stator structure of external-rotor consists of the start-up coils and operating coils wound into the silicon steel race, wherein the said silicon steel race comprises a plurality of insulation columns and rabbets, and each insulation column has a wall formed at its external edge thereof, and... Agent: Sinorica, Llc

20090021101 - Stator of electric rotating machine: A marking (7) that indicates inherent information about a stator (2) is formed of recesses inscribed at a predetermined position on the outer circumferential surface of a laminated iron core (21) of the stator (2), by melting a magnetic thin plate by means of a laser beam. The marking (7)... Agent: Sughrue Mion, Pllc

20090021102 - Electrical machine and method of retrofitting an electrical machine: There is described an electrical machine with a rotor shaft, a slip ring, arranged on the rotor shaft, and at least two sliding contacts arranged along the circumference of the slip ring for producing an electrical connection with the slip ring. The electrical machine has one or more extraction devices... Agent: Siemens Corporation Intellectual Property Department

20090021103 - Brush bag for a dynamo-electric machine: A brush bag, a brush and a current transfer unit for a dynamo-electric machine comprising a commutator, in particular for an electromotor. The current transfer unit comprises at least the brush, which is embodied, in particular, as a multi-layer carbon brush, and a brush bag. The brush bag is configured... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20090021104 - Securing structure for stator and electric vehicle: A securing structure for a stator includes the stator having a stator core, and a housing having an opening portion containing the stator core, and the housing includes a portion A where the clearance between the inner circumferential surface of the opening portion and the stator core is relatively smaller... Agent: Oliff & Berridge, Plc

20090021105 - Rotor for an electric machine and production method thereof: The present invention relates to a rotor for an electric machine, comprising a core made of metal lamellar sheets (1), which are disposed on a motor shaft (2), wherein the metal lamellar sheets (1) of the core are made of a two-state steel and have a low relative permeability in... Agent: Michael J. Striker

20090021106 - Fuel-powered actuators and methods of using same: Fuel-powered actuators are described wherein actuation is a consequence of electrochemical processes, chemical processes, or combinations thereof. These fuel-powered actuators include artificial muscles and actuators in which actuation is non-mechanical. The actuators range from large actuators to microscopic and nanoscale devices.... Agent: Fish & Richardson P.c.

20090021107 - Surface acoustic wave device: e

20090021108 - Surface acoustic wave (saw) device, module and oscillator: [Means to Solve the Problem] A surface acoustic wave (SAW) device includes a piezoelectric substrate made of a quartz crystal flat plate where a cut angle of a rotated Y-cut quartz substrate is set in −64.0°<θ<−49.3° with a crystalline Z axis and a propagation direction of the surface acoustic wave... Agent: Oliff & Berridge, Plc

20090021109 - Under bump metal film, method for forming same, and surface acoustic wave device: An under bump metal film formed on a substrate includes a diffusion-resistant barrier layer made of a platinum group metal film, and an aluminum-based stress relaxation layer formed under the diffusion-resistant barrier layer.... Agent: Pearne & Gordon LLP

20090021110 - Method and apparatus for driving a piezoelectric actuator: Disclosed is an apparatus and a method for differentially driving a piezoelectric actuator (56) in a “smooth pixel” DLP projector (40). Actuator (56) is driven differentially in order to obtain a drive level (VM) that is larger than the available supply voltage (74). Drive is by anti-phase signals (S5,S6), one... Agent: Joseph J. Laks Thomson Licensing Llc

20090021111 - Micromotion mechanism and microscope apparatus having micromotion mechanism: A micromotion mechanism includes: a fixing base; a movable element supported by the fixing base and movable thereon; an ultrasonic actuator for relatively moving the movable element and the fixing base; and a control device for outputting a drive signal of the ultrasonic actuator. The drive signals of the ultrasonic... Agent: Frishauf, Holtz, Goodman & Chick, Pc

20090021112 - Contact detector and door handle unit including it and smart entry system: A contact detector of the invention includes support means (8) having a moving part displacing upon reception of contact; a cable-like piezoelectric sensor (4) having a part supported by the support means (8) and becoming deformed in conjunction with displacement of the moving part (8c); and signal processing means for... Agent: Pearne & Gordon LLP

20090021113 - Actuator: A cylindrical piezoelectric element is arranged to share an axis with a cylindrical vibrator having different diameters at central and end portions to fix the vibrator forming a gap at the central portion. Vibration voltages are applied across first electrodes on the piezoelectric element and the vibrator, namely, a second... Agent: Fitzpatrick Cella Harper & Scinto

20090021114 - Piezoelectric element and ultrasonic actuator: Internal electrode layers (5) include a common electrode layer (3) and feed electrode layers (6) alternately placed in a stacking direction with piezoelectric layers (1) interposed between the common electrode layer (3) and the feed electrode layers (6). The common electrode layer (3) has a common electrode (3a). The feed... Agent: Mcdermott Will & Emery LLP

20090021116 - Driving apparatus: A driving apparatus comprises: an electromechanical conversion element that expands and contracts in an extending direction of a given fiducial line; a driving shaft that is fixed to one end of the electromechanical conversion element in the extending direction; a driven body that is frictionally engaged with the driving shaft;... Agent: Birch Stewart Kolasch & Birch

20090021115 - Driving apparatus, and manufacturing method of the same: A driving apparatus comprises: an electromechanical conversion element that expands and contracts in an extending direction of a given fiducial line; a driving shaft mounted on one end of the electromechanical conversion element in the extending direction; a driven member frictionally engaged with the driving shaft; a holder that supports... Agent: Birch Stewart Kolasch & Birch

20090021118 - Driving apparatus: A driving apparatus comprises: an electromechanical conversion element that expands and contracts in an extending direction of a given fiducial line; a driving shaft mounted on one end of the electromechanical conversion element in the extending direction; a driven member frictionally engaged with the driving shaft; a holder that supports... Agent: Birch Stewart Kolasch & Birch

20090021117 - Vibration detecting sensor and pressure sensitive switch using cable-shaped piezoelectric element: A vibration detection sensor (100) has a substrate (2), and a cable-shaped piezoelectric element (1) connected directly to at least one end of the substrate. The cable-shaped piezoelectric element (1) has along a radial direction thereof a core electrode (3), a piezoelectric member (5) disposed around the core electrode, an... Agent: Pearne & Gordon LLP

20090021119 - Angular velocity sensor and manufacturing method thereof: A substrate is made of single crystal silicon and having a tuning folk shape. The substrate includes plural arms extending in parallel with each other and a joint section for connecting respecting ends of the arms with each other. An angular velocity sensor includes a barrier layer containing silicon oxide... Agent: Ratnerprestia

20090021120 - Piezoelectric generator with optimised motional capacitances: The tuning fork resonator (1) includes a base (4) from which first and second parallel vibrating arms (2, 3) extend, carrying a set of excitation electrodes (5, 6) for vibrating the arms at a fundamental frequency. Grooves (7, 8) are formed on at least one of the top or bottom... Agent: Griffin & Szipl, Pc

01/15/2009 > patent applications in patent subcategories.

20090015076 - Canned linear motor armature and canned linear motor: In a canned linear motor armature, a coil group comprising a plurality of formed coils (71c) is interposed by a wiring board (71a) and a resin-made frame (71b) in a bath tub shape to be subjected to injection molding of a resin, further, a wiring portion (71e) is injection-molded or... Agent: Sughrue-265550

20090015077 - Linear motor: In prior art linear motor, magnetic attractive force acts in one direction between armature and moving member, imposing heavy burden on a supporting mechanism of the moving member, distorting the structure and causing various troubles. Furthermore, permanent magnets' surface is difficult to protect. The inventive linear motor includes a stator... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090015078 - Mover for a linear motor: A mover for a linear motor comprises a body. The body includes at least more than one engaging elements, at least more than one connecting element, at least more than one engaging portion and at least more than one connecting portion. With the engaging elements, connecting elements, engaging portions and... Agent: Dr. Banger Shia

20090015110 - Armature, motor and compressor and methods of manufacturing the same: An armature including magnetic cores arranged on a surface of a plate, coils provided around the magnetic cores, and a magnetic material plate having a plurality of first magnetic members is characterized in that the magnetic material plate is attached to a surface on the opposite side to a surface... Agent: GlobalIPCounselors, LLP

20090015079 - Drive unit for hand-held power tool: A drive unit (2) for a hand-held power tool includes a stator (8) located in the drive unit housing (6), an end member (12) provided at each of the opposite ends (10) of the stator (8), a rotor (14) provided with at least one permanent magnet (16), arranged in a... Agent: Abelman, Frayne & Schwab

20090015080 - Synchronous machine using the fourth harmonic: The invention relates to a permanently excited synchronous machine and a method for the suppression of harmonics. The permanently excited synchronous machine (51) comprises a stator (53) and a rotor (55). Preferably, the stator (53) comprises a three-phase winding and the rotor (55) comprises permanent magnets (57). The stator (53)... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20090015081 - Cooling structure and cooling method of rotating electrical machine: A cooling structure of a rotating electrical machine including a stator and a rotor, the cooling structure including magnet accommodating holes provided in a rotor core of the rotor, the magnet accommodating holes extend between axial core end faces of the rotor core, wherein permanent magnets are accommodated in the... Agent: Oliff & Berridge, PLC

20090015082 - Electric motor and method of producing electric motor: The vent hole 11 is formed by dividing the same at a laterally long dividing line so that, at a dividing line X having an angular shape whose left-right direction central portion intrudes into the side of a vent hole upper half portion 12, the upper half portion 12 has... Agent: Oliff & Berridge, PLC

20090015083 - Shaft grounding thread structure of an electric motor: Thread structure for the shaft grounding of an electric motor having a thin thread formed on the surface of the slip ring or the shaft to replace the conventional face contact with the “linear contact” between the surface of the carbon brush and the thread head. During the rotation, the... Agent: Rosenberg, Klein & Lee

20090015111 - Motor assembly for ceiling fan: A motor assembly for ceiling fans includes a top cover having a plurality of protrusions extending from a top thereof, a bottom cover and a ring-shaped member connected between the top cover and the bottom cover so as to form a case. A shaft rotatably extends through the top cover... Agent: Sinorica, LLC

20090015112 - Electrical machine having an apparatus for avoiding damaging bearing currents, and a corresponding method: The aim is to avoid damaging lubricating-film discharges occurring via bearings (WL) in electrical machines. For this reason, provision is made for a current to be forced to flow through the bearing (WL) specifically, with the aid of a current source (IQ). The current then flows from one of the... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20090015084 - Rotor cover and electric motor: An electric motor has a rotor, a stator encompassing the rotor, at least one bearing bracket, and a rotor cover. The rotor cover has at least one cover cap extending from the bearing bracket to at least the front face of the stator, which faces the bearing bracket. The invention... Agent: Lerner Greenberg Stemer LLP

20090015085 - Vibration damping for a rotating shaft: The invention provides damping techniques for a rotating shaft. The rotating shaft is supported by rotary bearings. The damping techniques control vibration of the rotating shaft by creating a fluid film in a support element of the rotating shaft. For example, the fluid film may be created between a housing... Agent: GlobalIPCounselors, LLP

20090015086 - Chain support structure for a planar motor: A chain support structure for a planar motor comprises: a fixing base, a support arm and a load-bearing member, the fixing base is fixed to the stator, the support arm has one end connected to the fixing base and has the other end connected to the load-bearing member, respectively, and... Agent: Dr. Banger Shia

20090015087 - Apparatus and method for generating rotary oscillations: An apparatus and method for generating rotary oscillation with two shafts pivotable relative to each other. An end section of a first shaft is accommodated in an end section of a second shaft so as to form an air gap. One of the two shafts has a magnetic field generator... Agent: Ladas & Parry LLP

20090015088 - Drive for use in a motor vehicle: In order to find a simple and robust drive solution with a low installation space requirement, a drive (1) for use in a motor vehicle with a motor (2), at least two drive output shafts (16, 16′; 31, 31′) for moving drive output pinions (9, 9′), and a transmission, which... Agent: Baker Botts L.L.P. Patent Department

20090015089 - Permanent-magnet switched-flux machine: A permanent-magnet switched-flux (PMSF) device has a ferromagnetic outer stator mounted to a shaft about a central axis extending axially through the PMSF device. Pluralities of top and bottom stator poles are respectively mounted in first and second circles, radially outwardly in first and second transverse planes extending from first... Agent: Holland & Hart, LLP

20090015090 - Permanent magnet rotating electrical machine and permanent magnet rotating electrical machine system: Movement of magnets due to centrifugal force is restricted. In a permanent magnet rotating electrical machine 100 having a stator 1 and a rotor core 5 provided with a plurality of permanent magnets 3 inserted in an outer circumferential portion of the rotor 5, each permanent magnet 3 has inclined... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090015091 - Rotating shaft and motor rotor having the same: A rotating shaft disclosed by the present invention includes a plurality of bumps spacedly formed along an outer circumferential surface thereof. The bumps are each formed with two engagement portions extending outwardly and bilaterally and a deformation space therebetween. The engagement portions undergo resilient deformation toward the deformation space when... Agent: Berliner & Associates

20090015092 - Method for winding the stator of an electric motor, and stator for an electric motor: In a method for winding the stator of a multiphase electric motor a plurality of mutually spaced stator teeth are assigned to each phase, wherein all the teeth of the stator are wound without a break in the winding wire, and wherein the winding wire is taken via a contact-making... Agent: Baker Botts L.L.P. Patent Department

20090015093 - Miniature electrical drive and magnetic return path element, and method for its production: The present invention relates to a miniature electrical drive (1), in particular a rotating field drive with permanent magnet excitation, having a stator (2) and a soft-magnetic return path element (6) which cylindrically surrounds the stator (2) and has a multiplicity of sheet-metal laminates (22) which are in the form... Agent: Lackenbach Siegel, LLP

20090015094 - Electrical rotary machine and method of manufacturing the same: An electrical rotary machine includes coils including element wires wound, and a core holding the coil, wherein spaces, both between the coils and the core, and between the adjacent element wires, are filled with a heat-conductive insulating resin. A method of manufacturing the electrical rotary machine includes a first step... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090015095 - Synchronous motor having multiple coil segments: A synchronous motor includes multiple coil segments, each of which has an iron core in the form of a core stack that is wound with a coil. The coil segments are characterized in that the coils press fastening elements having at least two legs against two opposite surfaces of the... Agent: Kenyon & Kenyon LLP

20090015097 - Piezoelectric micro-pump and driving circuit thereof: The present invention is a driving circuit applied to a piezoelectric activation element, which comprises: a driving period generation unit and a switch circuit unit. The driving period generation unit further comprises: a driving indication signal and a programmable micro-controller, in which the programmable micro-controller is to receive the driving... Agent: Apex Juris, PLLC

20090015098 - Ultrasonic actuator and magnetic recording apparatus using the same: Provided are ultrasonic actuators and magnetic recording apparatuses that are stably equipped with superior driving performance without making the apparatus complex or raising cost. By providing an approximately equilateral triangular shaped vibrating member provided with piezoelectric deformation members that expand and contract upon the application of a driving signal, and... Agent: Sidley Austin LLP

20090015096 - Ultrasound system: An ultrasound system for providing megasonics and ultrasonics to a liquid at different frequencies and/or sweeping frequencies with associated generators, transducers, operations between resonance and anti-resonance, non-resistive output with phase shift, multiple/sweep/single frequency modes, individually controlled sections, gate drive power control, variable inductive compensation for temperature changes, parallel inductor matching,... Agent: Phillips Lytle LLP Intellectual Property Group

20090015099 - Vibration actuator and drive unit including the same: An ultrasonic actuator includes an actuator body, a case and a support rubber. The support rubber is made of conductive rubber having alternately stacked insulating layers and conductive layers and arranged between the case and the actuator body such that an external electrode and an electrode is brought into conduction... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090015100 - Vibration wave driven apparatus and vibrator: A vibration wave driven apparatus which makes it possible to secure a required component accuracy obtained by machining and can increase a power ratio to the size of the apparatus. A plurality of contact parts are formed on one surface of an elastic vibration plate of a vibrator, and are... Agent: Rossi, Kimms & Mcdowell LLP.

20090015101 - Embedded circuits on an ultrasound transducer and method of manufacture: One or more chips, integrated circuits, or semiconductors are embedded within a backing block. Planar sheets of backing material are formed with integrated circuits within holes in the sheets. Traces connect the integrated circuit to electrodes or exposed conductive surfaces. A plurality of the planar sheets may be manufactured using... Agent: Siemens Corporation Intellectual Property Department

20090015102 - Method of poling piezoelectric actuator: A method of poling a piezoelectric actuator, which can improve the uniformity of a plurality of piezoelectric actuators. In the method, a plurality of piezoelectric actuators are prepared for poling. Then, at least two preliminary poling processes are performed on the prepared piezoelectric actuators under different preliminary voltages and displacements... Agent: Stanzione & Kim, LLP

20090015103 - Novel electrical generators for use in unmoored buoys and the like platforms with low-frequency and time-varying oscillatory motions: A buoy for generating electrical energy from an upward heave resulting from a passing wave is provided. The buoy including: a body; a first device associated with the body to which a motion of the heave is transferred; and a second device associated with the body to which the motion... Agent: Thomas Spinelli, Esq.

20090015105 - Ultrasonic sensor and method of making the same: An ultrasonic sensor includes a piezoelectric element and an acoustic matching member that are joined together to form an ultrasonic detector base. The ultrasonic detector base is sectioned by a clearance extending in an ultrasonic propagation direction to form multiple ultrasonic detectors arranged in an array. The clearance does not... Agent: Posz Law Group, PLC

20090015104 - Ultrasonic transducer and ultrasonic apparatus having the same: An ultrasonic transducer (101, 102, 103) includes: a front member (1, 1a) having a front side on which an ultrasonic radiating surface (11) is provided and a back side which is opposite to the front side; a side member (2, 2a); a backing member (3, 3a); and a piezoelectric ceramic... Agent: Sughrue-265550

20090015106 - Piezoelectric device: [Solving Means] A piezoelectric device includes: a base substrate 54, a framed resonator element 55 stacked and fixed on the base substrate, a lid 56 stacked and fixed on the framed resonator element, wherein the base substrate, the framed resonator element, and the lid are made from the same materials... Agent: Baker & Hostetler LLP Attn: Jim Coffman

20090015107 - Packaging for piezoelectric resonator: The invention concerns a package comprising a case (10) for receiving a piezoelectric resonator (11), including a main part (12) with a bottom (13) and sides (14), in which the resonator shall be mounted and a cover (26) fixed to the main part closing the case, wherein the main part... Agent: Griffin & Szipl, PC

20090015108 - Piezoelectric electroacoustic transducer: A piezoelectric electroacoustic transducer includes a substantially rectangular piezoelectric diaphragm, a case having supports to support the four corners of the bottom surface of the piezoelectric diaphragm, terminals fixed to the case, each including an inner connection portion exposed near the supports, a first elastic adhesive disposed between the periphery... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090015109 - Monolithic piezoelectric component comprising a mechanical uncoupling, method for producing same and use thereof: A piezoelectric component includes at least one monolithic piezo element, having at least a first electrode layer, at least a second electrode layer and at least one piezoceramic layer located between the electrode layers. The piezoelectric component is characterized in that at least between one of the electrode layers and... Agent: Young & Thompson

01/08/2009 > patent applications in patent subcategories.

20090009009 - Active vibration isolation support system: A yoke of an actuator of an active vibration isolation support system, which controls an internal pressure of a liquid chamber by reciprocally oscillating a movable core by energizing a coil, includes a cylindrical portion and a flange portion. The cylindrical portion is disposed on an outer side of the... Agent: Arent Fox LLP

20090009010 - Low-noise, high-speed, high precision and high-thrust flux reversal motor for linear or rotary motion system: Disclosed herein is to a flux reversal motor. The flux reversal motor includes a mover, and a plurality of permanent magnets. The mover moves linearly relative to a stator. A plurality of permanent magnets, having identical polarities, is provided in the end of each mover tooth. The permanent magnets are... Agent: The Webb Law Firm, P.C.

20090009011 - Motor using magnetic normal force: A motor is disclosed comprising: at least one stator comprising a magnetic core and at least one magnetic winding, having a cylindrical internal cavity; at least one cylindrical rotor inside said stator, comprising magnetically conductive materials; said rotor having an outer diameter significantly smaller than the inner diameter of said... Agent: Borealis Technical Limited

20090009012 - Assembly and method for magnetization of permanent magnet rotors in electrical machines: A magnetizer for a rotor of an electrical machine is provided. The magnetizer includes a magnetizing yoke and coils wound around the magnetizing yoke. The magnetizing yoke includes multiple pole-pieces extending therefrom, and at least some of the pole-pieces include a cobalt alloy.... Agent: General Electric Company Global Research

20090009013 - Cast groove electric motor/generator cooling mechanism: An electric motor/generator cooling mechanism is presented. The cooling mechanism includes a hollow cooling jacket having an inner and outer coaxial surface, where the inner surface defines a generally cylindric cavity for receiving a stator in heat transference contact with the inner surface, and the outer surface has a cast... Agent: Caterpillar Inc. Intellectual Property Dept.

20090009038 - Fan with failure detecting function: A fan with failure detecting function includes a power input terminal, a current limiting resistor, a light emitting diode (LED), and a fan motor. The power input terminal is coupled to the anode of the LED via the current limiting resistor. The cathode of the LED is coupled to one... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090009014 - Stator end disk for a commutator motor and corresponding commutator motor: A stator end disk is provided for a laminated stator core of a commutator motor, especially a universal motor, especially for use in a domestic appliance. The stator end disk contains a connecting terminal having connecting elements for connecting stator winding wires and a female connector with contact elements for... Agent: Lerner Greenberg Stemer LLP

20090009015 - Brushless electric machine with stationary shaft and method of making same: Disclosed herein is an electric machine. The electric machine includes, a housing defining an internal volume, a stationary shaft fixedly attached to the housing, a stationary field coil attached to the shaft, a pole assembly rotatable about the shaft, and a pulley fixedly attached to the pole assembly being positioned... Agent: Cantor Colburn, LLP

20090009016 - Spindle motor: A spindle motor is provided. The spindle motor comprises a base, a bearing housing, a bearing, a rotatable rotating shaft, a stator, and a rotor. The base comprises a coupling area protruding therefrom. The bearing housing is fixed to the coupling area. The bearing is disposed within the bearing housing.... Agent: Saliwanchik Lloyd & Saliwanchik A Professional Association

20090009017 - Bearing apparatus and centrifugal compressor provided with same: A bearing apparatus include a rotor having a flange portion, a foil bearing for supporting the rotor in a radial direction, and a magnetic bearing for supporting the rotor in an axial direction by an electromagnet, and a control portion for controlling electric current supplied to the electromagnet. The control... Agent: Mcginn Intellectual Property Law Group, PLLC

20090009018 - Magnetic bearing unit: Displacement data of axial position targets measured by axial displacement sensors is transmitted to a first main spindle elongation computation section, which then computes elongation of a main spindle between the axial position targets. The computation result is transmitted to a second main spindle elongation computation section, which then computes... Agent: Mcginn Intellectual Property Law Group, PLLC

20090009019 - Electric motor: Having a stator core including a yoke, a plurality of inside teeth, and a plurality of outside teeth, an inside rotor, and an output rotor, the inside slot open angle/inside pole angle and the outside slot open angle/outside pole angle are determined so that the inside cogging torque due to... Agent: Ratnerprestia

20090009020 - Motor having suction ring: A suction ring is fixed to a motor base and is provided with an outer circumferential section having a first outer diameter that is smaller than an inner diameter of a wall section of the motor base. A plurality of protruded sections each have a second outer diameter larger than... Agent: Connolly Bove Lodge & Hutz LLP

20090009021 - Dynamoelectric machine: First and second magnet holding apertures are disposed through first and second permanent magnet holding seats that are disposed so as to protrude from first and second yoke portions so as to have aperture centers that are oriented in an axial direction. Cylindrical resin first and second magnet loading portions... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090009022 - Rotary electrical machine including pole pieces and permanent magnets: r

20090009023 - Electrical machine: The invention describes an electrical machine having an armature with armature slots for accommodating armature coils. At least one armature coil is formed from two coil elements which are arranged symmetrically with respect to one another in relation to an axis of symmetry, which runs through the center-point of the... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20090009024 - Electromagnetic energy device and method: An apparatus and method are shown for improving the efficiency of motors, generators and machines by using a closed ferromagnetic frame upon which is mounted a plurality of solenoid coils. Two of the solenoid coils are wired together so that they act as one in a closed wiring circuit. An... Agent: Whitaker, Chalk, Swindle & Sawyer, LLP 3500 City Center Tower Ii

20090009025 - Altering-currant dynamolectric machine: An alternating-current dynamoelectric machine according to the present invention includes: a stator including: a stator core in which slots that extend in an axial direction are formed on an inner side; and a stator winding that is mounted to the stator core by winding conducting wires into the slots; and... Agent: Sughrue Mion, PLLC

20090009026 - Locking device for preventing a rotation and/or an axial movement of a pin, including shape memory releasing means: A locking device for preventing the rotation and/or the axial movement of a pin includes a coil spring wound around at least a portion of the pin and having one end rigidly connected to a support structure. In its undeformed condition, the spring has an internal diameter smaller than the... Agent: Heslin Rothenberg Farley & Mesiti PC

20090009027 - Method and apparatus to detect nanometer particles in ultra pure liquids using acoustic microcavitation: An apparatus to produce acoustic cavitation by controlling cavitation events in a liquid insonification medium utilizing a waveform to excite a transducer with a series of bipolar inharmonic tone bursts having medium recovery intervals between respective bursts so that the medium repeatedly recovers from cavitation events between bursts. The apparatus... Agent: Lawrence Harbin Mcintyre Harbin & King LLP

20090009028 - Surface acoustic wave device:

20090009029 - Ultrasonic motor: An ultrasonic motor comprises an ultrasonic vibrator having a piezoelectric stack, a press member which is securely connected in the vicinity of a node of a standing wave in the ultrasonic vibrator and which presses the ultrasonic vibrator, a driven member which is driven by frictional force between the driven... Agent: Scully Scott Murphy & Presser, PC

20090009030 - Mems piezoelectric switch: The present invention provides a MEMS piezoelectric switch that has an articulated unimorph bridge attached to a substrate. The bridge includes a passive layer of zirconia and at least one silicon-based material, an active layer of a piezoelectric material that has a high piezoelectric coefficient, at least one pair of... Agent: Rothwell, Figg, Ernst & Manbeck, P.C.

20090009031 - Method of driving piezoelectric devices: The driving method includes a first drive step of applying a specified drive voltage to a piezoelectric film to drive a piezoelectric device during a first drive period, a standby step of suspending a drive of the piezoelectric device to keep the piezoelectric device on standby during a drive standby... Agent: Birch Stewart Kolasch & Birch

20090009032 - Linear ultrasound motor: The invention relates to a linear ultrasound piezoelectric motor comprising a mobile element that is in frictional contact with a plate-like rectangular resonance plate, wherein the frictional surface is embodied by means of at least one of the longitudinal narrow sides of the resonance plate, and electrodes for producing acoustic... Agent: Gerald T. Bodne, Esq. Bodner & O' Rourke, LLP

20090009033 - Nanomanipulator used for analyzing or machining objects: The invention relates to a nanomanipulator that is used for analyzing or machining objects. Said nanomanipulator is equipped with several moving elements which can be adjusted to perform movements and support the object that is to be moved or an object holder in order to move at least one object... Agent: K.f. Ross P.C.

20090009034 - Driving apparatus: To realize a driving apparatus where vibrational movement of a piezoelectric element is ensured; sufficient impact resistance is provided; and damages to the piezoelectric element is prevented, a driving apparatus of the present invention has: a flex movement member 1A or 1B for serving as a driving source to drive... Agent: Edwards Angell Palmer & Dodge LLP

20090009035 - Acoustic backing composition, ultrasonic probe and ultrasonic diagnostic apparatus: Disclosed is an acoustic backing composition comprising an ethylene-vinyl acetate copolymer containing 20 to 80% by weight of the vinyl acetate units and a filler contained in the ethylene-vinyl acetate copolymer.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090009036 - Pressure transducer: A pressure transducer for high-pressure measurements comprising a housing and a piezoelectric resonator located in the housing, wherein the resonator comprises double rotation cut piezoelectric material configured or designed for vibrating in the fundamental tone of dual modes of the fast and slow thickness-shear vibrations.... Agent: Schlumberger K.k.

20090009037 - Piezoelectric vibrating pieces and piezoelectric devices: The piezoelectric vibrating piece (20) comprises a base portion (29) having an adhesive area on a first surface of electrically conductive adhesive 31 for mounting, a pair of vibrating arms (21) extending in a first direction from one edge of the base portion, base electrodes (23a, 25a) arranged in the... Agent: Klarquist Sparkman, LLP

01/01/2009 > patent applications in patent subcategories.

20090001822 - Electrical machine having plastic-sheathed pole teeth, and a corresponding method: The production effort for electrical machines with pole teeth which are fitted with permanent magnets is intended to be reduced. A permanent magnet is inserted between two pole teeth halves (1, 2) for this purpose. The two halves (1, 2) are connected to one another with an interlock by means... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20090001823 - Magnet assembly for a linear electromechanical machine: A magnetic assembly for a linear electromechanical machine, the assembly comprising an annular support centered on an axis of reciprocation of the machine. A magnet assembly is attached to the annular support. The magnet assembly comprises at least one annular part which is substantially magnetic. The annular part has at... Agent: Ballard Spahr Andrews & Ingersoll, LLP

20090001825 - Motor, fan, rotor holder and manufacturing method of the same: The manufacturing method of a rotor holder according to the present invention includes a step in which a top plate portion having a substantially discoid shape substantially centered about a central axis, and a side wall portion extending from an outer circumferential edge of the top plate portion are formed... Agent: Volentine & Whitt PLLC

20090001826 - Rotor structure: A rotor includes: a magnet having a circular cylinder shape and having a hole formed through its axial center, wherein the hole has in axial cross section a regular polygonal shape having flat portions and angle portions, and wherein a recess having a truncated cone shape is disposed at an... Agent: Mcdermott, Will & Emery LLP

20090001824 - Two-phase synchronous electric motor with permanent magnets for mechanical priming washing pumps of dishwashers and similar washing machines: r

20090001827 - Electric machine and method for determining the axial position of bearings for a rotor of the machine: An electric machine contains a rotor which contains a first longitudinal section at the ambient air temperature and a second longitudinal section cooled at least partially to cryogenic temperature, a coolant inlet pipe extending into the second longitudinal section, wherein the inlet pipe is set at a distance from the... Agent: Siemens Corporation Intellectual Property Department

20090001857 - Automotive alternator having rectifier device: An automotive alternator mounted on a vehicle for generating electric power includes front and rear frames, a cylindrical stator and a rotor. The cylindrical stator is contained in the frames, and the rotor is rotatably supported in the cylindrical stator. A rectifier device for rectifying alternating current generated in the... Agent: Oliff & Berridge, PLC

20090001828 - Electric motor with a low number of revolutions, in particular to drive lifting devices: An electric motor (10) with a low number of revolutions comprises a rotor (17) powered by three-phase alternating voltage, a series of magnets (21, 22) and a coil forming a stator (24), in which the rotor (17) and the stator (24) have the same number of magnetic poles. The stator... Agent: David A. Guerra International Patent Group, LLC

20090001829 - Electric motor with brush: General versatility of a brush holder is enhanced regarding a difference of specifications of connector parts, and costs of an electric motor with brush are reduced. A pair of brush-side connection terminals electrically connected to brushes is provided to a brush holder mounted inside a motor yoke. A connector part... Agent: Mccormick, Paulding & Huber LLP

20090001830 - Calibration of a generator device: Methods are provided for calibrating a tachometer or generator device to reduce residual errors associated with the tachometer-generator device. A shim structure is positioned within the air gap of the tachometer-generator device. A physical characteristic or location of placement of the shim structure is selected to reduce variation in an... Agent: Honeywell International Inc.

20090001831 - Axial field electric motor and method: A hybrid field, brushless, permanent magnet electric motor utilizing a rotor with two sets of permanent magnets oriented such that the flux produced by the two sets of magnets is perpendicular to each other. A plurality of axial flux permanent magnets are positioned radially interiorly of a plurality of radial... Agent: Naval Undersea Warfare Center Division Newport

20090001832 - Commutator, direct-current motor, and method for manufacturing commutator: A commutator having a plurality of segments, a short-circuit member assembly, a holding portion, and a plurality of spacing members is disclosed. The short-circuit member assembly includes a plurality of short-circuit pieces. Each short-circuit piece has an outer terminal, an inner terminal arranged radially inward from the outer terminal and... Agent: Marsh, Fischmann & Breyfogle LLP

20090001833 - Magnetic motor: A magnetic motor includes a rotor and a stator, in which there are magnets and materials of high magnetic permeability. The stator magnets are arranged with surfaces facing the rotor magnets in a staggered arrangement. The motor may be used to boost torque, for example in bicycles.... Agent: Oliff & Berridge, PLC

20090001834 - Permanent magnet motor: There is disclosed herein a Permanent Magnet powered motor that can be used in many applications. Larger units can be used to power automobiles based on rotor design and strength of magnets while smaller units can provide rotating power similar to any electric motor application. Electric power is not required... Agent: Doyle Ray Ledbetter

20090001835 - Axial air gap type electric motor: An axial air gap type electric motor is constructed such that even if a relatively large force is added in the vertical direction to the rotor output, the bearings are protected against damage. The axial air gap type electric motor includes a stator and two rotors each of which is... Agent: Jordan And Hamburg LLP

20090001836 - Spindle motor: A spindle motor is provided. The spindle motor comprises a bearing housing, a bearing, a rotating shaft, a stator around, a rotor, and a first magnet. The bearing is fixed inside the bearing housing. The rotating shaft is rotatably inserted into the bearing. The stator surrounds the bearing housing. The... Agent: Saliwanchik Lloyd & Saliwanchik A Professional Association

20090001837 - Hollow motor drive device: A hollow motor drive device includes a screw shaft provided with a spiral screw groove formed in an outer peripheral surface thereof, a nut member screw-engaged with the screw groove, a hollow drive shaft having an inner peripheral side on which the nut member is fixed and an outer peripheral... Agent: Young & Thompson

20090001838 - Rotating electrical machine: There is provided a rotating electrical machine capable of suppressing backlash of a magnet in the trust direction and suppressing an axial variation in the fitting position of the magnet. A magnet holder 19 used for a motor 1 has a holder base 31 fixed to a rotary shaft and... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090001839 - Rotating electrical machine: There is provided a rotating electrical machine capable of suppressing backlash of a magnet in the radial direction and suppressing an axial variation in the fitting position of the magnet. A magnet holder 19 used for a motor 1 has a holder base 31 fixed to a rotary shaft and... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090001840 - Electrical machine, in particular an alternator: The invention relates to an electrical machine, especially an alternator (10) comprising a stator winding (11) with a total of seven phase conductors (P1 to P7) which are interconnected in series at the same electrical angle (a). The aim of the invention is to dampen magnet noise and to increase... Agent: Michael J. Striker

20090001841 - Rotation electric machine having a wave winding coil with cranked crossover conductor, distributed winding stator, and method and apparatus for forming same: The invention provides a distributed winding stator using a rectangle conductor as coil, realizing a miniaturized coil end and reduced current density compared to the prior art stator, so as to obtain a miniaturized rotation electric machine with high power. The distributed winding stator is formed by wave winding a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090001842 - Brush holder apparatus, brush assembly, and method: Devices and methods of use for brush holder assemblies are disclosed. Brush holder assemblies including a mounting block and a brush holder are disclosed. Also illustrated is a brush holder assembly including a first portion in sliding engagement with a second portion. In some embodiments the brush holder includes a... Agent: Crompton, Seager & Tufte, LLC

20090001843 - Rotating electrical machine: A rotating electrical machine includes: a claw pole stator constituted with a stator core that includes a plurality of claw poles and a stator coil wound inside the stator core; and a rotor rotatably disposed at a position facing opposite the claw poles. The stator core is constituted of split... Agent: Crowell & Moring LLP Intellectual Property Group

20090001844 - Motor adopting improved mechanism: A motor adopting an improved mechanism is composed of a stator having a shaft and a rotor provided with a sleeve and a hub, wherein the shaft is inserted into the hub and the hub is fixed on an outer circumferential surface of the sleeve. The outer circumferential surface of... Agent: Louis Woo Law Office Of Louis Woo

20090001845 - Actuator: An actuator of the present invention includes a moving part, and a driving electrode which is comprised of electrode parts electrically isolated from each other and drives the moving part. A drive voltage is applied selectively to some of the electrode parts to control an electrostatic force which acts on... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090001846 - Electrostatic surface drive with multiple operating voltages: An apparatus includes a first array of electrodes and a second array of electrodes separated by a gap, and a controller for imposing a voltage on a plurality of electrodes in the first array of electrodes, wherein the magnitude of the voltage changes in response to an operating parameter of... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP

20090001847 - Micro-oscillation element and array of micro-oscillation elements: A micro-oscillation element includes a base frame, an oscillating portion, and a link portion connecting the base frame and the oscillating portion to each other. The oscillating portion has a movable functional portion, a first driving electrode connected to the movable functional portion, and a weight portion joined to the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090001848 - Piezoelectic resonator and piezoelectric filter: A piezoelectric resonator includes a laminated thin film having a first thin film portion supported by a substrate and a second thin film portion spaced apart from a first main surface of the substrate and acoustically isolated from the substrate. The second thin film portion of the laminated thin film... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090001849 - Piezoelectric component and manufacturing method thereof: A piezoelectric component with a piezoelectric element includes a piezoelectric substrate, at least one oscillating section formed on the piezoelectric substrate, and an element wiring section connected to the oscillating section. A side face side hollow section forming layer and a lid face side hollow section forming layer made of... Agent: Edwards Angell Palmer & Dodge LLP

20090001850 - Saw sensor with adjustable preload: A SAW based sensor having a base and a lid engageable with the base to form an internal cavity therewith. A substrate is supported in the cavity on either tile base or the lid 13 and a dimple 16 is formed on the other which extends towards the substrate so... Agent: Keusey, Tutunjian & Bitetto, P.C.

20090001851 - Driving apparatus, holding apparatus, exposure apparatus, and device fabrication method: The present invention provides a driving apparatus which drives an object, comprising a plurality of piezoelectric elements configured to drive a plurality of portions of the object, a plurality of voltage apply units configured to apply voltages to the plurality of piezoelectric elements, and a control unit configured to control... Agent: Fitzpatrick Cella Harper & Scinto

20090001852 - Piezoelectric actuator, piezoelectric actuator device, lens barrel, optical device and manufacturing method thereof: A piezoelectric actuator comprises a first piezoelectric element pre-polarized towards a first direction and displaceable towards an about orthogonal direction with respect to said first direction, a second piezoelectric element pre-polarized towards a direction about parallel to the first direction and displaceable towards a direction about parallel to said first... Agent: Oliff & Berridge, PLC

20090001853 - Ultrasound transducer manufactured by using micromachining process, its device, endoscopic ultrasound diagnosis system thereof, and method for controlling the same: An ultrasound transducer manufactured by using a micromachining process comprises: a first electrode into which a control signal for transmitting ultrasound is input; a substrate on which the first electrode is formed; a second electrode that is a ground electrode facing the first electrode with a prescribed space between the... Agent: Scully Scott Murphy & Presser, PC

20090001854 - Driving apparatus: A driving apparatus has a piezoelectric element as a driver. The driving apparatus includes a first vibrator which generates an elliptical vibration when a voltage of a predetermined frequency is applied; a first member which holds the first vibrator; a second member which includes a first sliding member to which... Agent: Ostrolenk Faber Gerb & Soffen

20090001855 - Electroactive polymer transducers for sensory feedback applications: Electroactive polymer transducers for sensory feedback applications are disclosed.... Agent: Levine Bagade Han LLP

20090001856 - Piezoelectric resonator and manufacturing method therefor: A piezoelectric resonator includes a piezoelectric resonator element having a base portion and a resonating arm extending from the base portion, a package including a bottom to which the piezoelectric resonator element is fixed and a frame wall that surrounds the bottom and having an opening above the bottom, and... Agent: Harness, Dickey & Pierce, P.L.C

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