Electrical generator or motor structure inventions 02/07

20070040455 - Actuator and bonding apparatus: In an actuator of a bonding apparatus, a rotating body 16 that has a bonding head is rotatably supported on a supporting carrier having the same shape as magnetic path members 32L and 32R, and coil portions 40 and 42 are disposed on both outer sides of this supporting carrier.... Agent: Koda & Androlia

20070040453 - Linear motor armature and linear motor using the same: It is an object to provide a linear motor armature which can simplify the motor structure and reduce the size while reducing the deformations of the board, the can and the frame, and a linear motor using that armature. The linear motor armature comprises an armature coil (11) fixed on... Agent: Sughrue-265550

20070040454 - Magnetic drive metering pump: A magnetic drive metering pump in which a movable thrust member fixed to a connecting rod is axially movable in a longitudinal axis in a magnet shroud anchored in a pump housing so that the thrust member with the connecting rod, on electrically driving (actuating) the magnetizing coil, is drawn... Agent: Simpson & Simpson, PLLC

20070040456 - Linear compressor, particularly refrigerant compressor: The invention concerns a linear compressor (1), particularly a refrigerant compressor, with a linear motor (4), which comprises an outer stator (18), an inner stator (20) and an armature (22) located in a gap (21) between outer stator (18) and inner stator (20), and a compression unit (3), which has... Agent: Mccormick, Paulding & Huber LLP

20070040457 - Reciprocation type linear driving actuator and power toothbrush using the same: In a reciprocal linear driving actuator used as a drive source of a power toothbrush, two permanent magnets are formed substantially disc shape or substantially tubular shape, and fitted to and fixed on a shaft directly or via a spacer with a predetermined distance in axial direction of the shaft,... Agent: Greenblum & Bernstein, P.L.C

20070040458 - Welding set of metal member including permanent magnet and welding method thereof, as well as electric rotating machine: A welding set and a welding method that suppresses the unnecessary magnetization of a permanent magnet member by a welding current when welding one metal member including a permanent magnet member and the other metal member together are obtained. The welding set is provided with a work retaining part 3... Agent: Sughrue Mion, PLLC

20070040459 - Shaft current control brush assembly with drainage: A shaft current control brush ring assembly includes a channel and a brush ring assembly secured within the channel. A drain is provided to direct liquids and contaminants away from said brush ring assembly.... Agent: Illinois Tool Works Inc.

20070040460 - Integrated motor and controller assemblies for horizontal axis washing machines: A horizontal axis washing machine includes an integrated motor and controller assembly. The controller is mounted to the electric motor with the controller positioned under a tub of the washing machine. The tub provides drip protection for the controller during operation of the washing machine. Additional embodiments include a motor... Agent: Harness, Dickey, & Pierce, P.l.c

20070040461 - Rotary electric machine: The present invention provides a rotary electric machine, of which the occupied volume can be reduced and which allows a space in an electric apparatus equipped therewith to be utilized effectively. A slot insulator 15 is integrally formed with a holder mounting portion 25, a whole or major part of... Agent: Rankin, Hill, Porter & Clark LLP

20070040462 - Stator and axial-gap brushless vibration motor incorporating the stator: A stator has a stator base including a printed circuit board provided on a nonmagnetic or weakly magnetic bracket having a shaft support section disposed in the center thereof, a single-phase connected air-cored armature coil provided on the stator base, and a drive circuit member provided on the stator base... Agent: Jordan And Hamburg LLP

20070040463 - Drive for the adjustment of flaps: A drive is proposed for adjusting flaps, in particular flaps for supplying air in automotive vehicles, the drive having a drive motor received in a housing and a step-down gear. The housing comprises three housing parts, the second housing part having, on its one upper side, a receiving recess for... Agent: Marshall & Melhorn

20070040464 - Device to relieve thrust load in a rotor-bearing system using permanent magnets: The present invention provides a device and a method to enhance thrust load capacity in a rotor bearing system. The load-enhancing device comprises a stator and a rotor arranged in such as way as to achieve a magnetic thrust load capacity enhancement by employing a number of permanent magnets, which... Agent: Schnader Harrison Segal & Lewis, LLP

20070040465 - Alternator assembly: The stator (24) of a permanent magnet axial flux alternator comprises two annular stator components which are each wound with a respective two phase winding arrangement (48). Each of the two phase winding arrangements (48) is wound so that there is no mutual inductance between the windings of each phase.... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20070040466 - Electric machine with an induction rotor: To attenuate the parasitic air-gap fields of an electric machine, various measures are carried out on the stator (3) and/or rotor (7).... Agent: Henry M Feiereisen, LLC

20070040467 - Stator arrangement for an electric machine and a method for manufacturing the stator arrangement: A stator arrangement for an electric machine having a stator body which has a back yoke ring and a number of stator teeth that project in a radial direction from the back yoke ring, wherein at least one additional ferromagnetic stator end lamination is mounted on at least one end... Agent: Duane Morris LLP

20070040468 - Integral brush and vibration motor having the same: A vibration motor and a brush for a vibration motor are disclosed. In an embodiment of the invention, which comprises an arm having a contact part in contact with a commutator, and a securing part extending from the arm to be formed as an integrated body with the copper laminate... Agent: Staas & Halsey LLP

20070040469 - Broadband imager: A sensor comprises a transducer substrate formed of a photo-acoustically sensitive material and having a receiving surface and an absorptive layer coupled to the transducer substrate receiving surface that detects broadband electromagnetic (EM) radiation.... Agent: Koestner Bertani LLP

20070040470 - Tuning fork type crystal oscillator with angular velocity detection capability: A crystal oscillator used as a clock source and further having an angular velocity detection capability is provided with: a tuning fork type crystal unit provided with excitation electrodes for exciting tuning fork vibration and sensing electrodes for detecting electric charge generated by the Coriolis force; an oscillation circuit connected... Agent: Fitch, Even, Tabin & Flannery

20070040472 - High-powered actuators and actuating systems for extended range and precise positioning: A piezoelectric motor (PEM) is driven with loosely coupled inductors 24 and switching amplifier having a pulse width modulator 18, gate driver circuit 21 and two pairs of power mosfets 210, 212 and 220, 222. Energy stored in the PEM at the end of one cycle is transferred to a... Agent: Hiscock & Barclay, LLP

20070040471 - Load adaptive class de driving amplifier for piezoelectric actuators: An improved system and method for driving piezoelectric actuators for devices such as camera modules. The present invention replaces a conventional class D amplifier with a class DE amplifier. The class DE amplifier eliminates the switching losses that would otherwise occur when a class D amplifier is used. The present... Agent: Foley & Lardner LLP

20070040473 - Hybrid resonant structure: A bulk wave acoustic resonant structure which is in accordance with the invention allows the difficulties encountered at high frequency, the impossibility of working at low frequency on simple structures and the absence of an adequate coupling level to be overcome. The invention therefore proposes the use of an additional... Agent: Buchanan, Ingersoll & Rooney PC

20070040474 - Camera and piezo ceramic motor therefor: A camera has an axially moveable cylinder retaining a lens and a piezo ceramic motor for axially moving the cylinder. The motor has a piezo ceramic drive member that incrementally advances the cylinder in response to the application of an electric potential and a piezo ceramic brake that locks the... Agent: Robert L. Marsh

20070040475 - Drive unit: A drive unit being characterized in that a movable object can be prevented from being tilted when the movable object is stopped using a restricting member. The drive unit comprises a piezoelectric element, a rod provided at an end of the piezoelectric element, a movable object frictionally engaged with the... Agent: Sidley Austin LLP

20070040476 - Oscillating system and tool for ultrasonic impact treatment: Devices including a magnetostrictive transducer, an oscillating system and a tool for ultrasonic impact treatment of constructions, construction units and components of machines and mechanisms are disclosed. The invention provides high reliability of magnetostrictive transducers, oscillating systems and their components, tools and their parts affected by simultaneous action of static,... Agent: Foley And Lardner LLP Suite 500

20070040477 - Ultrasonic sensor: An ultrasonic sensor includes a plurality of converters and a protection component. The plurality of converters convert one of a received ultrasonic wave into an electric signal and an electric signal into an ultrasonic wave for transmission. The plurality of converters are juxtaposed. The protection component protects each of the... Agent: Posz Law Group, PLC

20070040479 - Drive unit: A drive unit being characterized in that a movable object can be prevented from being tilted when the movable object is stopped using a restricting member. The drive unit comprises a piezoelectric element; a rod provided at an end of the piezoelectric element; a movable object, which is frictionally engaged... Agent: Sidley Austin LLP

20070040478 - Implants: A piezoelectric device is produced by providing a material having a hydroxyapatite (HA) component. The HA component is textured by, for example uniaxial pressing, to impart one of the limiting symmetries ∞, ∞ mm, or ∞2. The textured material may then be poled to enhance the piezoelectric properties.... Agent: Jacobson Holman PLLC

20070040480 - Connecting piezoactuator: A circuit arrangement for operating a linear exhaust-gas probe has a measuring cell for measuring a gas concentration by determining a measuring-cell voltage, in addition to a pump cell for pumping gas. A comparator circuit compares the measuring-cell voltage with a target voltage and provides a corresponding analog deviation signal.... Agent: Baker Botts L.L.P. Patent Department

20070040481 - Optical device: An optical device includes a lens holder that holds a lens and is movable in the optical-axis direction of the lens, and an actuator that moves the lens holder in the optical-axis direction. The actuator includes an actuator element composed of an electroactive polymer, an actuator-element holder that holds the... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070035184 - Linear motor: A stator portion of a linear motor includes a U-phase coil portion (10U), a V-phase coil portion (10V), and a W-phase coil portion (10W) through which currents with phases different by 120 degrees from one another flow. Each coil portion has pairs of a first coil wound clockwise and a... Agent: Mcginn Intellectual Property Law Group, PLLC

20070035185 - Rotating electric machine for vehicles: A rotating electric machine for vehicles is capable of improving a cooling performance of switching elements forming an inverter module, and small-sizing the entire rotating electric machine. The rotating electric machine includes: a stator; a rotor, a cooling fan; a front bracket and a rear bracket; and a cover; and... Agent: Sughrue Mion, PLLC

20070035186 - Rotating electric machine for vehicles: A rotating electric machine for vehicles is capable of improving a cooling performance of switching elements forming an inverter module, and small-sizing the entire rotating electric machine. The rotating electric machine includes: a stator; a rotor, a cooling fan; a front bracket and a rear bracket; and a cover; and... Agent: Sughrue Mion, PLLC

20070035187 - Cooling for an electric motor or generator: Improved cooling arrangement for an electric motor or generator including a housing, what is called a “slotless” tubular stator lamination (4), a rotor (2) with permanent magnets and electric windings (25-26) which are provided between the stator lamination (4) and the rotor (2), wherein the cooling arrangement comprises a cooler... Agent: Bacon & Thomas, PLLC

20070035188 - Regulator unit and generator: A regulator unit, in particular for varying an exciter current, preferably for generators of motor vehicles, is proposed, having a housing (13), in which the housing (13) has a wiper contact mounting region (16) with a guide (19) and wiper contacts (22) seated therein, having a regulator housing portion (25),... Agent: Striker Striker & Stenby

20070035189 - Axial fan motor and cooling unit: Disclosed is an axial fan motor for air-cooling a heat sink of a heating element and thermally connected to the heat sink. The casing of the axial fan motor is formed of a plurality of laminated metal plates. The plurality of metal plates include a single first metal plate and... Agent: Bacon & Thomas, PLLC

20070035190 - Motor: A motor includes a stator having a stator core, a rotor, a case, and a bearing. The motor may further include a bearing hold member provided with a through hole into which the bearing is inserted and which is disposed at one end side to the stator core and a... Agent: Reed Smith, LLP Attn: Patent Records Department

20070035191 - Mounting frame for an electric motor and electric motor: A mounting frame for an electric motor includes tabs projecting laterally from the mounting frame for mounting a stator of the electric motor to a mounting surface. Between the tabs, the mounting frame includes stop areas that define the position of the stator with respect to the mounting surface. In... Agent: Kenyon & Kenyon LLP

20070035192 - Motor and motor manufacturing method: The motor of the present invention comprises; a stator, a rotor rotating to the stator and a permanent magnet installed to the rotor, wherein the permanent magnet is a single body and formed continuously.... Agent: Mckenna Long & Aldridge LLP

20070035193 - Three-phase synchronous machine having a permanent magnet rotor with an induction cage: The aim of the invention is to achieve a high torque yield in synchronous machines excited by permanent magnets. Said aim is achieved by using subharmonic air gap fields. The rotor comprises an induction cage as well as permanent magnets. The number of winding holes of the stator is greater... Agent: Henry M Feiereisen, LLC

20070035194 - Direct-current motor: Disclosed is a direct-current motor equipped with a housing, a rotor, and a stator having electrical windings. A commutator/carbon-brush system is provided in order to energize the electrical windings, with the stator embracing the rotor which includes a shaft and permanent magnets. To improve the drive of a pump used... Agent: Continental Teves, Inc.

20070035195 - 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

20070035196 - Composite electrical brush construction: A method of manufacturing a composite electrical brush (10) comprises forming a brush body part (14) of low resistivity, carbon/graphite/resin material; heat treating the formed body; applying a layer (34) of high resistivity, resin-containing material to a face (22) of the brush body part; and curing the high resistivity layer:... Agent: Mccarter & English, LLP

20070035197 - Outer rotor motor: An outer rotor motor is miniaturized, is easier to assemble, and lead ends can be insulated with improved reliability without a drop in motor characteristics. One or a plurality of concave channels provided in the axial direction in a circumferential surface of a housing and one or a plurality of... Agent: Birch Stewart Kolasch & Birch

20070035198 - Rotor of rotating electric machine and method of assembling rotor of rotating electric machine: A magnet-mounting member for holding permanent magnets against side faces of each claw-shaped magnetic pole has pairs of extreme-end and basal-end hooking tabs for preventing displacement of the permanent magnets in either a basal-end or extreme-end direction. The magnet-mounting member is configured such that a function of the basal-end hooking... Agent: Sughrue Mion, PLLC

20070035199 - Armature core of rotating electric machine: A rotating electric machine armature core (1) is configured by combining such a number of magnetic tooth sections (2) that corresponds to the number of magnetic poles, each of the magnetic tooth sections (2) including a plurality of first sheet members (6) each of which includes a magnetic tooth portion... Agent: Buchanan, Ingersoll & Rooney PC

20070035200 - Microelectromechanical system comprising a beam that undergoes flexural deformation: A microelectromechanical system comprises a beam and an electrode coupled to the beam via electrostatic interaction. The beam is designed to undergo elastic flexural deformation and has an approximately constant cross section. The beam consists of several flat faces that extend over the length of the beam, each having a... Agent: Seed Intellectual Property Law Group PLLC

20070035204 - Dual frequency band ultrasound transducer arrays: Ultrasound probes that transmits/receives ultrasound pulses with frequencies both in a low frequency (LF) and a high frequency (HF) band, where the radiation surfaces of said HF and LF bands at least have a common region. Several solutions for transmission (and reception) of LF and HF pulses through the same... Agent: Lance J. Lieberman, Esq. Cohen, Potani, Lieberman & Pavane LLP

20070035201 - Medical ultrasound transducer having non-ideal focal region: A mechanically formed transducer capable of producing a non-ideal focal region is described. The transducer has a plurality of piezoelectric elements suspended in an epoxy and heat molded into a desired shape. One or more shaped irregularities in the transducer provides for a mechanically induced non-ideal focal field without the... Agent: Townsend And Townsend And Crew, LLP

20070035202 - Piezoelectric actuator, lens driving device, and image taking device: A piezoelectric actuator includes a deformable section including a piezoelectric member that deforms when subjected to a voltage and an electrode that is in contact with the piezoelectric member, and a buffer section consisting of a substance that absorbs an impact, the buffer section being in contact with at least... Agent: Sughrue Mion, PLLC

20070035203 - Ultrasonic transducer control method and system: The present invention relates to methods for velocity control of transducers that can compensate both for age related changes as well as the more immediate changes that occur during operation. In one aspect of the invention, the non-motional reactive current is measured at two predetermined frequencies, one below (Ilf) and... Agent: Elaine C. Stracker

20070035205 - Actuator: An actuator comprises: an electro-mechanical conversion element; a connecting member affixed to one side in an extension/contraction direction of the electro-mechanical conversion element; a rod-like driving frictional member affixed to the connecting member and positioned in parallel to the extension/contraction direction of the electro-mechanical conversion element; and a driven member... Agent: Birch Stewart Kolasch & Birch

20070035206 - Actuator and lens drive apparatus: An actuator is provided and includes: an electro-mechanical conversion element; a driving frictional member attached at one end of the electromechanical conversion element with respect to a direction of expansion and contraction of the electromechanical conversion element; and a driven member frictionally engaged with the driving frictional member. The driving... Agent: Birch Stewart Kolasch & Birch

20070035207 - Thin-film piezoelectric resonator: A thin-film piezoelectric resonator having a thin-film portion with a piezoelectric thin film disposed between a pair of opposing electrodes, an insulating layer formed on one of the pair of electrodes of the thin-film portion, and a substrate supporting the other electrode of the thin-film portion. The thin-film portion and... Agent: Dickstein Shapiro LLP

20070035208 - Acoustic driver assembly with restricted contact area: An acoustic driver assembly for use with any of a variety of cavitation chamber configurations, including spherical and cylindrical chambers as well as chambers that include at least one flat coupling surface. The acoustic driver assembly includes at least one transducer, a head mass and a tail mass. The end... Agent: Patent Law Office Of David G. Beck

20070035209 - Piezoelectric/electrostrictive device and method of manufacturing same: A piezoelectric/electrostrictive (P/E) device includes at least one actuator section secured to thin plate sections with an adhesive. The actuator section includes a multilayered member including at least three actuator films, each of which include a P/E layer and electrode films. One or more holes or recesses are formed in... Agent: Burr & Brown

20070035210 - Actuator: An actuator comprises: an electromechanical conversion element; a driving frictional member mounted onto one side in an extension/contraction direction of the electromechanical conversion element; a driven member frictionally engaged with the driving frictional member; and a weight member affixed to the other side in the extension/contraction direction of the electromechanical... Agent: Birch Stewart Kolasch & Birch

20070035213 - Piezoelectric pump: A piezoelectric pump is provided. The piezoelectric pump includes a piezoelectric vibrator including a piezoelectric member. Recesses of a housing form variable volume chambers between the recesses and the piezoelectric vibrator. Sealing members are provided along the recesses and in contact with the piezoelectric vibrator to form the variable volume... Agent: Brinks Hofer Gilson & Lione

20070035214 - Piezooscillator: A piezooscillator having a piezoelectric resonator, composed of: a case surrounding a space where the piezoelectric resonator is provided and including a substrate and a cover; a buffer material supporting the piezoelectric resonator and suppressing a shock conveyed from the case to the piezoelectric resonator; and a wiring member electrically... Agent: Jordan And Hamburg LLP

20070035215 - Substrate having polarized adhesive: A surface cover having a polarized adhesive material bonded or operably connected to at least a portion of a substrate. The polarized adhesive material may be hot melt adhesive material. The substrate may have little or no electret capabilities. The electrostatic charge of the polarized adhesive material may allow the... Agent: Mcandrews Held & Malloy, Ltd

20070035212 - Transducer assembly for an ultrasonic fluid meter: A transducer assembly for an ultrasonic fluid meter. At least some of the illustrative embodiments are transducer assemblies comprising an elongated outer housing defining an interior and an exterior, the elongated outer housing having an axis along its elongated direction, a piezoelectric element coupled to and at least partially occluding... Agent: Conley Rose, P.C.

20070035211 - Transducer housing for an ultrasonic fluid meter: A transducer housing for an ultrasonic fluid meter. At least some of the illustrative embodiments a transducer housing comprising a housing having a proximal end, a distal end and an internal volume, the housing couples to a spoolpiece of an ultrasonic meter, and an acoustic matching layer that fluidly seals... Agent: Conley Rose, P.C.

20070035216 - Microwave dielectric ceramic: doped with 0.005% to 5% of a dopant selected from the group consisting of: cerium oxide, manganese oxide and mixtures thereof; wherein A may be selected from the group consisting of: Ca, Sr, Mg and mixtures thereof; Re may be selected from a group consisting of La, Sm, Pr, Dy,... Agent: Beyer Weaver & Thomas, LLP

20070029884 - Enhanced internal electrical generators: Enhanced internal electrical generators are provided which include pole pieces that form air gaps flanked with conductive wire coils. Rotatable armatures supporting permanent magnets are arranged to swing or revolve relative to the air gaps such that the magnetic flux thereof is intersected by the wire coils to generate electrical... Agent: Lucas & Mercanti, LLP

20070029885 - Cooling system for vehicle alternator: A front frame for an alternator mounted on a motor bicycle has a cooling air outlet window formed at an outer peripheral side of a stator coil wound on a stator and a cooling air inlet window formed at a front side of the alternator, namely, at an engine block... Agent: Oliff & Berridge, PLC

20070029886 - Rotor of motor: A rotor for an electric motor includes a base plate (13) made of a magnetic material and coupled to a rotational shaft (12), a rotor core (18) provided on the base plate (13) and including a protrusion protruding axially relative to the base plate and the teeth of the stator,... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070029887 - Rotating electric machine and electric vehicle: A rotating electric machine according to the present invention includes: a rotation axis extending along a first direction; a first rotor for coupling with the rotation axis to rotate together with the rotation axis; a first stator disposed so as to oppose the first rotor; and a moving mechanism for... Agent: Hogan & Hartson L.L.P.

20070029888 - Drive unit of an adjuster of a vehicle seat: In a drive unit (10) of an adjuster (80) of a vehicle seat, in particular of a motor vehicle seat, having at least an electronically commutated motor (12) and a gear stage (14) provided on the output side of the motor (12), wherein the motor (12) has a stator (16)... Agent: Womble Carlyle Sandridge & Rice, PLLC

20070029889 - Electro-motive machine using halbach array: A Halbach array is radially disposed in an environment optimized for efficiency and controlled for efficient generation and use of power in order to generate, establish, and maintain a desired level of rotational energy with enhanced efficiency.... Agent: Charles E. Lykes, Jr. Esq.

20070029890 - Salient pole electrical machine: The salient pole electrical machine comprises a salient pole passive rotor and a stator. Each slot of the stator has a winding about a permanent magnet which extends radially through the stator. The permanent magnet is polarised circumferentially. A housing of conductive material encompasses the stator. The housing has zones,... Agent: Sughrue Mion, PLLC

20070029893 - Adjuster for a vehicle seat: In an adjuster (80) for a vehicle seat, in particular for a motor vehicle seat, having at least two components (81, 82) forming a load-bearing gear, which are movable relative to each other by way of a drive unit (10), wherein the drive unit (10) has a particularly electronically commutated... Agent: Womble Carlyle Sandridge & Rice, PLLC

20070029891 - Alternator with removable brush block and method of changing brushes in an alternator: An alternator comprises a housing including a first portion, and a second portion having a plurality of electrical connectors and having an aperture; a stator supported in the first portion of the housing; a rotor supported for rotation relative to the stator and configured to have a force current applied... Agent: Wells St. John P.s.

20070029892 - Electric motor and brush retaining assembly: The present invention generally provides a motor-fan unit including a motor assembly having a shaft, a commutator supported on the shaft, and a pair of brushes in electrical contact with the commutator, a fan assembly having an impeller coupled to tile shaft, an end plate assembly located between the impeller... Agent: Renner, Kenner, Greive, Bobak, Taylor & Weber

20070029894 - Electret and electret capacitor: A silicon nitride film (103) and a silicon nitride film (106) are formed to cover a charged silicon oxide film (105) serving as an electret.... Agent: Mcdermott Will & Emery LLP

20070029895 - Structure capable of automatically locating and supporting nodal point of a piezoelectric stator: A structure capable of automatically supporting a nodal point of a piezoelectric stator is provided. The structure includes a piezoelectric stator constructed of at least one piezoelectric element and having at least one nodal point; at least one elastic member elastically contacting the piezoelectric stator via the piezoelectric element; a... Agent: Staas & Halsey LLP

20070029896 - Frequency-control-type piezo actuator driving circuit and method of driving the same: The present invention relates to a frequency-control-type piezo actuator driving circuit. The frequency-control-type piezo actuator driving circuit includes a piezo actuator that is driven by a constant amplitude of driving voltage pulse; a piezo driver that is connected to the piezo actuator so as to drive the piezo actuator; a... Agent: Lowe Hauptman Berner, LLP

20070029897 - Device for the vibrational detection of fill-level limit state and a process for the vibrational detection of a fill-level limit state: e

20070029898 - Stator and ceramic tube type ultrasonic motor using the same: The present invention relates to a ceramic tube type ultrasonic motor having a stator including a tube-type elastic body that is formed of a ceramic material; and a plurality of piezoelectric diaphragms that are attached on the outer peripheral surface of the elastic body in a longitudinal direction thereof and... Agent: Staas & Halsey LLP

20070029899 - Electrostatic ultrasonic transducer, ultrasonic speaker, audio signal reproduction method, electrode manufacturing method for use in ultrasonic transducer, ultrasonic transducer manufacturing method, superdirective acoustic system, and display device: An electrostatic ultrasonic transducer that includes: a first electrode that is formed with a plurality of holes; a second electrode that is formed with a plurality of holes, and is used in pair with the first electrode; an oscillation film formed with a conductor layer that is sandwiched between the... Agent: Harness, Dickey & Pierce, P.L.C

20070029900 - Piezoelectric ultrasonic motor: A piezoelectric ultrasonic motor includes a piezoelectric stator including a metal tube with an inner space and piezoelectric elements mounted on the outer circumference of the metal tube, a rotary shaft including a rotation bar inserted into the inner space of the metal tube, and a rotation member provided around... Agent: Staas & Halsey LLP

20070024126 - Working machine with an electromechanical converter: Machine with an electromechanical converter, where a linear movable piston (30) is placed in a tubular cylinder casing (20). The piston supports a row of centrally placed annular permanent magnets (38) which produce an electromagnetic field of force. This is effective towards a surrounding row of annular coils (21). Such... Agent: Dennison, Schultz & Macdonald

20070024127 - Driving apparatus: A driving apparatus includes a first magnet, second magnet, stator, first coil, second coil, first bearing, second bearing and rotor. The first and second magnets respectively have a magnetized portion in which S pole and N pole are alternately magnetized. The rotor has a magnetic pole portion opposite to each... Agent: Rossi, Kimms & Mcdowell LLP.

20070024128 - Vehicle-use generator: The vehicle-use generator driven by a vehicle engine at a rotating shaft thereof includes a rotor rotatably mounted to said rotating shaft, a stator fixedly located radially outwardly of the rotor, a cooling fan fixed to the rotor to rotate together with the rotating shaft in order to generate cooling... Agent: Oliff & Berridge, PLC

20070024129 - Electrical machine provided with cooled metal stacks and windings of the stator rotor thereof: High-power electric machines must be intensively cooled. At the same time, it is necessary to ensure a high level of immunity to impurities. For this purpose, the rotor and stator sheet packs (41, 42, 61, 62) are embodied in two parts, thereby making it possible to carry out a two-sided... Agent: Henry M Feiereisen, LLC

20070024130 - Electric machine with rotor cooling and corresponding cooling method: The aim of the invention is to optimize cooling of a rotor using simple means. A rotor is provided, comprising rotor pressure rings (1) such that at least one of the two rotor pressure rings (1) is configured in order to enable targeted guiding of the coolant through the axial... Agent: Henry M Feiereisen, LLC

20070024131 - Ventilator for an alternator-starter: This invention relates to a ventilator for an alternator-starter fixed on a rotor (4) with magnetic poles including: a metal insert (13) which is used to fix the ventilator to the rotor: an end shield plate (17) and ventilation blades (12) which are made of a plastic material and which... Agent: Longacre & White

20070024132 - Methods and apparatus for cooling wind turbine generators: A wind turbine generator includes a stator having a core and a plurality of stator windings circumferentially spaced about a generator longitudinal axis. A rotor is rotatable about the generator longitudinal axis, and the rotor includes a plurality of magnetic elements coupled to the rotor and cooperating with the stator... Agent: Patrick W. Rasche (22402)

20070024133 - Inverter-integrated rotating electric machine: An inverter-integrated rotating electric machine includes an enclosure in which a vent hole is formed, an AC motor accommodated in the enclosure, the AC motor including a rotor and a fan whose rotation introduces external air into the enclosure from outside through the vent hole, the fan being fixed to... Agent: Sughrue Mion, PLLC

20070024134 - Direct current brushless vibration motor: A direct current (DC) brushless vibration motor comprises an inductive coil as the stator, and a magnetic element, which has a plurality of coplanar magnetic poles, as the rotor. The inductive coil is a single annular coil formed by a singly-wound conductive wire. The winding area corresponds to two magnetic... Agent: Harness, Dickey & Pierce, P.L.C

20070024135 - Electric motor case with folded-out mounting brackets and economical motor-fan packaging: A cooling module 67 includes a motor assembly 42 having a motor case 24 having at least one open end and including mounting brackets 30 integral therewith. Each bracket has only a bottom portion 32 connected with the motor case. An armature assembly is disposed in the motor case and... Agent: Siemens Corporation Intellectual Property Department

20070024136 - Hydrodynamic bearing device, motor, and disk driving apparatus: To provide a hydrodynamic bearing device with high reliability, with which reductions in size, weight, and thickness can be achieved, as well as a motor and a disk driving apparatus that make use of this hydrodynamic bearing device. The hydrodynamic bearing device pertaining to the present invention comprises a shaft... Agent: Wenderoth, Lind & Ponack L.L.P.

20070024137 - Motor: A thrust plate for supporting a bottom end of a shaft in an axial direction is provided on a top surface of a bottom section of a bearing housing. An attracting magnet for attracting the shaft, which is made of a magnetic material, in the axial direction is provided below... Agent: Judge & MurakamiIPAssociates

20070024139 - Magnetic bearing assembly using repulsive magnetic forces: A magnetic bearing assembly utilizes repulsive magnetic forces between components, having magnetic sources, of the bearing at two or more gaps which are angled with respect to an axis of the inner component. Each gap provides force vectors in two directions, while allowing for relative movement of the components in... Agent: Ratnerprestia

20070024138 - Magnetic bearing device and vacuum pump: A magnetic bearing device (1) for rotatably supporting a shaft (20) for rotation about a rotation axis (101) is disclosed. The device (1) comprises a first active radial bearing (5), one or more first radial displacement sensors (81), and an axial bearing (6, 7). At least a part of the... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20070024140 - Two-pole permanent magnet rotor and method of manufacturing the same: A method for manufacturing a rotor assembly. The method includes providing a stub shaft having a first part and a second part, providing a magnet between the first part and the second part, and compressing the magnet between the first part and the second part using a connecting device. The... Agent: Honeywell International Inc.

20070024141 - Permanent magnet rotor for a brushless electrical machine: A permanent magnet rotor for a brushless electrical machine has a rotor shaft and a cylindrical plastic cage. Permanent magnets are inserted in this plastic cage. The plastic cage has dovetailed retainers. The permanent magnets are trapezoidal in shape and are inserted so as to fit tightly in the dovetailed... Agent: Baker Botts L.L.P. Patent Department

20070024142 - Permanent-magnet generator: A permanent-magnet generator includes a flywheel having a ringlike portion and a bottom portion which closes off one end of the ringlike portion and a plurality of protrusions bulging inward from the bottom portion of the flywheel. An irregular surface portion is formed in each of the protrusions for producing... Agent: Sughrue Mion, PLLC

20070024143 - Roatary electric machine with permanent-magnet rotor: The machine (1) comprises: a rotor (2) with a permanent magnet (5), for producing an annular distribution of magnetic polarities (N, S) of angularly alternating sign about the axis of rotation (A-A) of the rotor (2), within a magnetized surface (5) lying in a plane essentially perpendicular to said axis... Agent: Harness, Dickey, & Pierce, P.l.c

20070024144 - Disk alternator: A power disk alternator includes a rotor of circular cross-section arranged to rotate about an axis having at least two disks facing each other and defining at least one gap therebetween, and a shaft connected to an external source for driving the shaft in rotation about the axis. Each disk... Agent: Merchant & Gould PC

20070024145 - Ac motor designed to ensure high efficiency in operation: An ac motor is provided which includes a plurality of looped windings each of which extends in a circumferential direction of a stator. The stator is equipped with N stator pole groups made up of magnetic poles arranged along a circumference thereof. The looped windings are disposed adjacent each other... Agent: Oliff & Berridge, PLC

20070024146 - Single-phase motor and stator winding method thereof: A winding method of a motor stator comprises the steps of serially winding a wire on a plurality of odd poles along a first direction; pulling out a common terminal from the wire to serve as a first power terminal; serially winding the wire on a plurality of even poles... Agent: Birch Stewart Kolasch & Birch

20070024147 - Selective alignment of stators in axial airgap electric devices comprising low-loss materials: An axial gap dynamoelectric machine comprises first and second stators disposed coaxially with an intermediate rotor. The stators are selectively aligned with an axial offset between the positions of their respective teeth and slots. The stators comprise toroidal cores having laminated layers composed of a material selected from the group... Agent: Ernest D. Buff Ernest D. Buff And Associates, LLC.

20070024148 - Electric motor: An electric motor has an armature rotatably accommodated inside a motor housing and a pair of magnets fixed to an inner surface of the motor housing so as to face the armature. The armature has an armature core 17 fixed to a rotating shaft 16, and ten slots S1 to... Agent: Mccormick, Paulding & Huber LLP

20070024149 - Electric motor with split stator cores and semiconductor device connecting apparatus employing the motor: An electric motor includes a stator including a stator core made of a plurality of split cores joined to each other and a stator winding wound on the stator core, and an admixture interposed in a joint between the split cores and comprising a binder mixed with a granular magnetic... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070024150 - Electrical machine having centrally disposed stator: An electrical generator comprising a stator having stator windings and a rotor having rotor windings. The rotor and the rotor windings extend about the stator windings. The rotor includes an annular rotor housing. On an inside of the rotor housing are mounted the rotor windings. The stator includes an end... Agent: Baker & Hostetler LLP

20070024151 - Electric motor having a field assembly with slot insulation: An electric motor has a field assembly, such as a stator, for a dynamoelectric machine has field coils that are wound to a net shape. Lead wires are brought out from the ends of each field coil. The field coils are insulated with insulating sleeves or insulating slot liners. The... Agent: Harness, Dickey & Pierce, P.L.C

20070024152 - Electronic power steering apparatus: An electric power steering apparatus includes; a DC brush motor, and a boss arranged between an output shaft of the motor and an input shaft driven by the motor, for transmitting a rotational force of the motor from the output shaft to the input shaft by the boss per se.... Agent: Sughrue Mion, PLLC

20070024153 - Rotor for an electric machine with improved cooling, magnetic noise, and reduced inertia using profiled rotor pole fingers: A rotor assembly for an electric machine, which includes a shaft; a core positioned on the shaft; a field winding surrounding the core; a plurality of pole fingers configured to rotate with the shaft; the plurality of pole fingers each having a tip end, a root end, a straight trailing... Agent: Cantor Colburn, LLP

20070024154 - Solid state energy converter: A solid-state energy converter with a semiconductor or semiconductor-metal implementation is provided for conversion of thermal energy to electric energy, or electric energy to refrigeration. In n-type heat-to-electricity embodiments, a highly doped n* emitter region made of a metal or semiconductor injects carriers into an n-type gap region. A p-type... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070024155 - Mems digital linear actuator: In accordance with an embodiment of the present invention, an electrostatic actuator has a base having a plurality of base pillars formed thereon and has a stage having a plurality of stage pillars formed thereon. The controlled application of voltage signals to the base pillars and/or the stage pillars results... Agent: Macpherson Kwok Chen & Heid LLP

20070024156 - Stress release mechanism in mems device and method of making same: MEMS devices (100) and methods for forming the devices have now been provided. In one exemplary embodiment, the MEMS device (100) comprises a substrate (106) having a surface, an electrode (128) having a first portion coupled to the substrate surface, and a second portion movably suspended above the substrate surface,... Agent: Ingrassia, Fisher & Lorenz, P.C.

20070024157 - Piezoelectric thin-film acoustic wave device and information processing unit using the same: A piezoelectric thin-film acoustic wave device formed of a piezoelectric thin film of AlN on the +C plane and having the polarization strength of not lower than 0.63×10−20 F/V and an information processing unit using the same are disclosed. This is the result of the inventors having studied the factors... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070024158 - Integrated resonators and time base incorporating said resonators: The invention relates to a set of resonators integrated in a single-crystal silicon substrate and intended to allow the production of a temperature stable time base. In one implementation, first and second resonators are designed to oscillate in modes of different type and with dimensions such that at least a... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070024159 - Micro-resonator and communication apparatus: The present invention provides a micro-resonator in which it is possible to lower synthesized impedance and it is possible to apply it to devices to be desired. Also, the present invention provides a communication apparatus provided with a filter composed of such a micro-resonator. A micro-resonator according to the present... Agent: Sonnenschein Nath & Rosenthal LLP

20070024160 - Method for improving the long-term stability of a piezoelectric actuator and a piezoelectric actuator: A method is described for improving the long-term stability of a piezoelectric actuator encased in a potting compound containing or forming hydrogen atoms. Oxygen is contained in the piezoelectric actuator's piezoelectric ceramic. Appropriate means are employed so that unsaturated bonds of the hydrogen in the potting compound will release less... Agent: Baker Botts L.L.P. Patent Department

20070024161 - Piezoelectric device and method of manufacturing piezoelectric device: A piezoelectric device includes, a substrate having a wiring pattern, a piezoelectric element package disposed on one surface side of the substrate and having a piezoelectric element housed therein, a circuit module, in which a module substrate mounts a circuit element, disposed on one surface side of the substrate, and... Agent: Oliff & Berridge, PLC

20070024162 - Piezoelectric thin film element: A thin-film piezoelectric element has a substrate, a lower electrode, a piezoelectric portion, and an upper electrode that are sequentially formed on the substrate. The piezoelectric portion has a dielectric thin film that has an alkali niobium oxide-based perovskite structure expressed by general formula (NaxKyLiz)NbO3 (0<x<1, 0<y<1, 0≦z<1, x+y+z=1), and... Agent: Mcginn Intellectual Property Law Group, PLLC

20070024163 - Piezoelectric vibrating reed and piezoelectric device: There is provided a piezoelectric vibrating reed, including: a base formed of a piezoelectric material and having a predetermined length; a plurality of vibrating arms extended from one side of the base; a support arm extended in a width direction from the other side spaced apart from the one side... Agent: Harness, Dickey & Pierce, P.L.C