Electrical generator or motor structure inventions 02/08

20080048505 - Coreless linear motor: A coreless linear motor having a high rigidity, a high heat radiation effect, and a light weight is provided. The coreless linear motor includes a fixed member and a movable member moving relative with respect to the fixed member. The fixed member has a yoke and groups of permanent magnets... Agent: Dla Piper US LLP

20080048507 - Electric motor with reduction gear mechanism: In a wiper motor including a motor body and a reduction gear apparatus, an accommodating case is integrally provided on a brush holder provided to the motor body, and this accommodating case is disposed on an outer face of a gear case so as to project from a motor yoke.... Agent: Mccormick, Paulding & Huber LLP

20080048508 - Motor and manufacturing method therefor: A motor may include a rotor having a rotor shaft and a magnet, at least a stator core disposed around the rotor and provided with a plurality of pole teeth, and at least a coil mounted on the stator core. The stator core includes a terminal block mounting part which... Agent: Cantor Colburn, LLP

20080048529 - Manufacturing method for stator core and for stepping motor, and stepping motor: A manufacturing method for a stator core of a stepping motor may include punching a metal plate made of magnetic material in a punching direction in a pole-teeth shape of the stator core by press working, and then, bending the pole-teeth shape of the stator core in an opposite direction... Agent: Cantor Colburn, LLP

20080048509 - Engine-driven work machine: A duct member is disposed around outer peripheries of an engine and an engine-driven generator to define a continuous cooling-air passage between the duct member and the outer peripheries. A cooling fan is disposed in the cooling-air passage to generate a flow of cooling air from one end of the... Agent: Arent Fox LLP

20080048510 - Engine-driven work machine: A duct member is disposed around outer peripheries of an engine and an engine-driven generator to define a continuous cooling-air passage between the duct member and the outer peripheries. A cooling fan is disposed in the cooling-air passage to generate a flow of cool air from one end of the... Agent: Arent Fox LLP

20080048511 - Methods and apparatus for cooling generators: A baffle for guiding cooling fluids in a power generator cooled by a cooling fluid and having a flange, a stator, and an end stator has an inclined surface configured to direct a first portion of the cooling fluid flow towards the flange and a second portion of the cooling... Agent: John S. Beulick (17851)

20080048530 - Electric generator: An electric generator is disclosed, which comprises: at least a magnet, each having more than two poles; and at least a claw-pole set, each being composed of an inner caw-pole and an outer claw-pole; wherein, the inner caw-pole and the outer claw-pole are interlaced arranged and used for guiding magnetic... Agent: Birch Stewart Kolasch & Birch

20080048531 - Generator for a bicycle: An electric generator for a bicycle comprising, a rotor assembly comprising a plurality of magnets disposed at regular spacings around the circumference of the rotor assembly in alternating polarity, a stator core, comprising steel plates being stacked to form the stator core, each steel plate having a U-shaped grooved cross-section... Agent: Heslin Rothenberg Farley & Mesiti PC

20080048532 - Magnetic force sensing device in a brushless motor to enhance magnetic force sensibility of a hall element inside the brushless motor: A magnetic force sensing device for a brushless motor includes a drive circuit board mounted inside the casing and located below the stator, a Hall element electrically connected to the drive circuit board, an annular magnet mounted on a rotor casing and located outside the stator, and a magnetic force... Agent: Kamrath & Associates P.A.

20080048533 - Alternator for vehicle: An alternator for a vehicle has a rotor with a field wiring, a stator with a three-phase stator wiring, a regulator, and a rectifier. The regulator and rectifier are disposed away from each other with the rotor between. An alternating current is generated in the stator wiring in response to... Agent: Oliff & Berridge, PLC

20080048534 - Vehicle alternator with increased shock resistance: A vehicle alternator is disclosed as having a stator having a stator winding, a rotor carried on a rotary shaft and rotatably supported inside an inner periphery of the stator, an electric device involving a rectifier for converting an AC voltage, induced in the stator winding, into a DC voltage,... Agent: Oliff & Berridge, PLC

20080048535 - Controller for a direct current brushless motor: Taught herein is a controller for a DC brushless motor comprising a control board (3) and a housing (4); wherein the control board (3) is disposed in the housing (4), and the housing (4) is made of metal materials with good thermal conductivity; a plurality of heat sinks (5) are... Agent: Matthias Scholl

20080048506 - Electromotive device: An electromotive device, operable in either a generator or motor mode, comprises a coil assembly and magnets, wherein a mechanical force and a magnetic force combine to move a driver magnet relative to an electrical coil. In one embodiment the device provides a batteryless, wireless switch controller.... Agent: Cooper & Dunham, LLP

20080048512 - Motor actuator: A motor actuator may include a motor, a cam driven by the motor, switch contact pieces operated by the cam, a housing case which accommodates at least the cam, the switch contact pieces, and connection terminals attached to the housing case for connecting an external power supply to the motor.... Agent: Cantor Colburn, LLP

20080048513 - Multipolar-plus machines-multipolar machines with reduced numbers of brushes: A multipolar machine (FIG. 4) with the reduced number of brushes (27) includes a rotor (2) with number of radial layers (2) (1) and 2(2) larger than 1. The radial layers are electrical connected with permanent electrical connections called “flags” (20, FIG. 8).... Agent: Kimberley A Chasteen Williams Mullen

20080048514 - Linear actuator system and method: A linear actuator system is described that includes a linear actuator, a first motor, and a second motor. The linear actuator is configured to transmit rotational motion to linear motion. The first motor is operatively connected to the linear actuator. The second motor is also operatively connected to the linear... Agent: Merchant & Gould PC

20080048515 - Joystick with control dampening and detent using electrorheologic cylinder: A control system including MR or ER fluid is used to control actuation. The control system is configured to engage or disengage operably coupled elements. A joystick control system for a vehicle includes a controller configured to control engagement of operably coupled elements.... Agent: Baker & Daniels LLP

20080048516 - Vehicular alternator and method of producing the same: In a vehicular alternator having a permanent magnet protection mechanism, each magnet holder of a non-magnetic characteristic if a rectangle prism shape accommodates each permanent magnet disposed between adjacent claw poles. The magnet holders are connected in a ring shape along a circumferential direction of the alternator by using each... Agent: Oliff & Berridge, PLC

20080048517 - Magnet fixing structure for electric rotary machine: Holder anchoring grooves are arranged on the outer periphery of a rotor core so as to extend axially. A holder arm having a substantially T-shaped cross section is fitted to each of the holder anchoring grooves. The holder arm has a main body section, an engaging projection and magnet holding... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080048518 - Hammer brush for an electric machine: A hammer brush to be supported in pivoting fashion in a brush holder of an electric machine is equipped with a leaf spring which includes a fastening section for attachment to the brush holder an arm connected to the fastening section to which a carbon brush is fastened, and a... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080048519 - Micro rotary machine and methods for using same: A micro rotary machine may include a micro actuator and a micro shaft coupled to the micro actuator. The micro shaft comprises a horizontal shaft and is operable to be rotated by the micro actuator. A micro tool is coupled to the micro shaft and is operable to perform work... Agent: Fish & Richardson P.C.

20080048521 - Electric power generator: An electric power generator capable of using external vibrations in various directions to generate power. A fixed substrate having a surface with a plurality of electret electrodes and a movable substrate having a surface with a movable electrode are spaced from each other. The fixed substrate is fixed in the... Agent: Ditthavong Mori & Steiner, P.C.

20080048520 - Electrostatic actuator device and method of making the device: The present application is directed to novel electrostatic actuators and methods of making the electrostatic actuators. In one embodiment, the electrostatic actuator comprises a substrate, an electrode formed on the substrate and a deflectable member positioned in proximity to the electrode so as to provide a gap between the electrode... Agent: Mh2 Technology Law Group, LLP

20080048523 - Drive wave generation circuit: Fundamental waveform data transferred through a serial interface is stored in a register. A fundamental waveform generation circuit uses the data to generate a fundamental waveform. A selector is capable of providing fundamental waveform data stored in a fixed memory to the register to replace the fundamental waveform data provided... Agent: Osha Liang L.L.P.

20080048522 - Vibration wave motor control apparatus, vibration wave motor control method, program, and storage medium: A vibration wave motor control apparatus which has a simplified construction and is reduced in cost. In a photographic apparatus including a lens, a lens position controller controls the position of the lens using a vibration wave motor driven by a drive voltage of a set frequency, and a drive-frequency... Agent: Cowan Liebowitz & Latman P.C. John J Torrente

20080048524 - Piezoelectric power supply: A piezoelectric power supply includes a power supply unit to provide DC intermediate voltage power output to drive a high voltage output unit of a first load through a first piezoelectric plate and a low voltage output unit of a second load through a second piezoelectric plate. Thereby the power... Agent: Birch Stewart Kolasch & Birch

20080048525 - Piezoelectric electroacoustic transducing device: In order to improve the sound pressure level and the sound quality of a piezoelectric electroacoustic transducing device without impairing the size, the productivity, the cost, and the like of the device, the piezoelectric electroacoustic transducing device 1 has: a frame 20; a piezoelectric vibrator 10 in which piezoelectric elements... Agent: Bacon & Thomas, PLLC

20080048526 - Piezoelectric actuator device for ultrasonic motor: An ultrasonic motor piezoelectric actuator element uses a primary longitudinal mode and a secondary bending mode and includes a stacked piezoelectric element in which piezoelectric layers and electrode layers are stacked alternately in such a manner that the electrode layers divide the piezoelectric layers into two approximately equal portions. A... Agent: Burr & Brown

20080048527 - Piezoelectric resonator and method for producing the same: A piezoelectric resonator has vibrating electrodes 4 and 5 facing each other, which are formed on two major surfaces of a piezoelectric substrate 1a, and trapped vibrations are generated between the two vibrating electrodes. The piezoelectric substrate 1a has a constant thickness. The frequency constant of the piezoelectric substrate 1a... Agent: Dickstein Shapiro LLP

20080048528 - Piezoelectric actuator: A piezoelectric actuator for example for a mechanical component control, comprises a plurality of piezoelectric layers of at least one piezoelectrically active region and internal electrodes which are inserted between said layers and are alternately supplied with a different polarity electric voltage. The piezoelectric actuator including the head and/or base... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080042495 - Linear motor and machine tool having the same mounted thereon: The present invention provides a linear motor 1 which uses a plurality of cylindrical linear motors 2 to increase power and which can guide forward and backward movements using a simple configuration, the linear motor 1 requiring reduced manufacturing costs. A plurality of cylindrical linear motors 2 are provided each... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080042496 - Electromagnetic power transferring system: An electromagnetic power transferring system includes a transmission apparatus and at least a power generator having a crank shaft, a connecting rod, a generation assembly, and an electricity storage and controlling device which is connected with an electricity system and able to switch, generate and store electricity. The generation assembly... Agent: Rosenberg, Klein & Lee

20080042497 - Method of converting piston driven engines to operate on electricity: A method of converting piston driven engines to operate on electricity. The head is removed from the engine. A solenoid tube, approximately twice as long as the stroke of the engine piston, for identification purposes, called a Double Length Solenoid Tube (13) or DLST (13) is fitted with flanges approximately... Agent: Steve Parker

20080042499 - Molded motor: An inner rotor type molded motor controlled by pulse width modulation using an inverter circuit includes a pair of electrically conductive brackets attached to a load-side portion and an anti-load-side portion of a motor frame. An electrically conductive tape is attached on the outside of the motor frame to extend... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080042525 - Stepping motor: A The stepping motor includes an annular permanent magnet, a nut inserted into the center of the permanent magnet, the nut having screw threads formed on the inner periphery thereof, and a shift screwed with the screw threads of the nut. The turning force applied to the nut is transmitted... Agent: Cha & Reiter, LLC

20080042500 - Shock-absorbent structure of motor: The present invention relates to a shock-absorbent structure of motor, which includes an upper case and a lower case assembled for accommodation of a rotor to rotate therein. A shaft seat is formed on the upper case and the lower case respectively; a bearing is disposed in the shaft seat,... Agent: Bacon & Thomas, PLLC

20080042526 - Alternator voltage control apparatus: An alternator includes: a rotor fixed to a shaft so as to rotate with the shaft; a stator disposed so as to surround the rotor, an alternating current being generated in the stator by a rotating magnetic field from the rotor; and a voltage control apparatus for adjusting magnitude of... Agent: Sughrue Mion, PLLC

20080042502 - Semi-enclosed ac motor: A partially enclosed induction motor comprises a rotor assembly, a stator assembly, and a metal frame defining a housing having a generally cylindrical shape with bearing housings at each axial end. The interior of the frame is configured to closely embrace a laminated core and follows the contour of the... Agent: The Webb Law Firm, P.C.

20080042503 - Electric motor: An electric motor has a housing with at least two housing parts (24, 86), within which a stator (82) is arranged. The motor further includes an internal rotor (38) mounted on a shaft (34), the rotor interacting with the stator (82) and being separated from it by an air gap... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20080042498 - Method for manufacturing an electric machine and electric machine manufactured according to said method: A method for manufacturing a machine element of an electric machine, with a plurality of magnetic poles distributed around a machine axis and with at least one coil, having several conductors distributed around the machine axis and each of which is located in a groove, wherein the machine element forms... Agent: Hoffman Wasson & Gitler, P.c Crystal Center 2, Suite 522

20080042501 - Thermal transfer container for semiconductor component: A thermal transfer container is disclosed for a semiconductor component to transfer heat to a heat sink such as used in rectifiers for alternators. The thermal transfer container includes an outer cylindrical surface having threads that engage threads defined in the heat sink bore for electrically and thermally connecting the... Agent: Richard K. Warther Allen, Dyer,doppelt,milbrath & Gilchrist P.A.

20080042504 - Rotational apparatus including a passive magnetic bearing: A rotational apparatus with one or more passive magnetic bearing(s) is described. The rotational apparatus includes a rotor with a tapered magnetic ring and a stator with a tapered array of shorted conducting circuits. A repulsive force between the tapered magnetic ring and the tapered array of shorted conducting circuits... Agent: Lahive & Cockfield, LLP

20080042505 - Method for production of a soft-magnetic core or generators and generator comprising such a core: The invention relates to a method for the production of a soft magnetic core for generators and generator with a core of this type. To produce a core, a plurality of magnetically activated and/or magnetically activatable textured laminations is produced from a CoFeV alloy. This plurality of laminations is then... Agent: Buchanan, Ingersoll & Rooney PC

20080042506 - Miniature generator: A miniature generator includes a carrier having a tubular shaft on the inside, a substantially C-shaped permanent magnet mounted on the tubular shaft inside the carrier, a match mounted on the tubular shaft inside the carrier and joined to the permanent magnet to keep the permanent magnet in a slightly... Agent: Chin-lung Liao

20080042507 - Turbine starter-generator: The invention consists of a ring motor, in which a first ring forms a toroidally wound stator and a second ring forms the rotor. A turbine is fixed to the rotor ring. The invention is specifically targeted towards the environment inside a gas turbine, in which hot gases may permeate... Agent: Borealis Technical Limited

20080042508 - Terminals and connections between multi-set segmented hairpin windings: An electric machine is disclosed herein comprising a core with a plurality of slots, the core including an insertion side and an opposing side. A winding arrangement is provided in the plurality of slots of the core. The winding arrangement is comprised of a plurality of differently shaped hairpin conductors.... Agent: Maginot, Moore & Beck, LLP Chase Tower

20080042509 - Method and apparatus for controlling an electric machine: The invention provides a method and apparatus for controlling a machine in which the magnetic flux emanating from a rotor is selectively diverted to a second path in the stator which bypasses the winding or windings so as to magnetically de-couple the winding or windings from the rotor.... Agent: Ogilvy Renault LLP (pwc)

20080042510 - Motor's for washing machine: To achieve this, the present invention provides a motor for a washing machine including a stator including a substantially annular core having a stack of steel pieces, a coil wound on the core having an AC power applied thereto, and an insulator mounted on an outside surface of the core,... Agent: Mckenna Long & Aldridge LLP

20080042511 - Main element for an electrical machine: A main element which can be used as a rotor or stator for an electrical machine has a short-circuit ring and radially protruding teeth formed integrally onto the short-circuit ring, which teeth are offset from one another about circumferential angles. To make it possible to press a main element of... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080042512 - Motor stator teeth with insulators: A motor stator in one implementation includes a plurality of teeth disposed in a radial form centered about a predetermined center axis, insulators covering the plurality of teeth, and a plurality of coils provided on each of the plurality of teeth by winding conductors onto the insulators through to multiple... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080042513 - Sliding body holder: A commutator machine and a sliding body holder for electrically contacting a rotor has at least one sliding body and a leaf spring which centrally supports the sliding body and is fixed on its end to a carrier which is stationary relative to the rotor and which generates a radially... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080042514 - Power generator stator assembly, a stator core module assembly, and a process for assembling a stator core module assembly within a stator frame: A stator core module assembly (20) is provided which is adapted to be mounted to at least one structural element (16,18) coupled to a stator frame (10). The stator core module assembly comprises a stator core module (22) adapted to form part of a stator core (21) and at least... Agent: Siemens Corporation Intellectual Property Department

20080042515 - Optimized modular electrical machine using permanent magnets: An electrical machine having a magnet assembly with a magnet carrier ring with an even number of permanent magnets mounted in the carrier ring around a circular locus, and a conductor assembly with one or more conductor circuits wound in a double helix wave winding around a flat conductor support... Agent: Richard Esty Peterson, Patent Attorney

20080042516 - Traveling wave grids with agitated surface using piezoelectric effect and acoustic traveling waves: A system for transporting particles includes a substrate and a plurality of spaced electrically conductive electrodes carried by the substrate. Further included is a carrier medium adapted for the retention and migration of particles disposed therein, wherein the carrier medium is in operational contact with the electrodes, and a vibration... Agent: Fay Sharpe / Xerox - Parc

20080042517 - Electric field control of surface acoustic wave velocity: An apparatus in one example comprises a piezoelectric layer, a first electrode along a first side of the piezoelectric layer, and a second electrode along a second side of the piezoelectric layer. The first and second electrodes are adapted to receive a voltage bias to create an electric field in... Agent: Patti, Hewitt & Arezina LLC

20080042518 - Control and testing of a micro electromechanical switch having a piezo element: A micro electromechanical switch has a movable portion positioned to form an electrical connection between a first electrical contact and a second electrical contact. A piezoelectric electrode is formed on the movable portion. The piezoelectric electrode causes the movable portion to move in response to a driver voltage. A piezo... Agent: Freescale Semiconductor, Inc. Law Department

20080042519 - Layer switching for an ultrasound transducer array: A multi-layer transducer operates with only one system channel per element. Passive switching connects the layers differently for transmit than for receive operation, such as connecting two layers in parallel for transmit and in series for receive. Any passive switching may be used, such as current and voltage limiting circuits.... Agent: Siemens Corporation Intellectual Property Department

20080042520 - Methods and systems for micro bearings: A micro drive assembly may comprise a substrate, a micro shall oriented in-plane with the substrate and at least one micro bearing to support rotation of the micro shaft. The micro shaft and micro bearing may be in or less than the micrometer domain.... Agent: Fish & Richardson P.C.

20080042521 - Piezoelectric driven mems device: It is made possible to provide a piezoelectric driven MEMS device having the distance between the action end and the fixed electrode which is kept constant regardless of whether the residual strain is large or small and having a mechanism which is excellent in reproducibility and reliability. Two piezoelectric driven... Agent: Amin, Turocy & Calvin, LLP

20080042522 - Piezoactuator with low stray capacitance: A piezoelectric actuator includes a stack of piezoceramic layers and electrodes among the piezoelectric layers. At least one edge region of the stack does not include electrodes. A cover layer is at the at least one edge region. The cover layer has a dielectric constant that is less than a... Agent: Fish & Richardson PC

20080042523 - Piezoelectric device and method for manufacturing thereof: A piezoelectric device, includes: a package; a piezoelectric resonator element housed in the package; a lid made of metal and bonded to the package by seam welding to seal the package air-tightly; a metal film for frequency adjustment that is provided to the piezoelectric resonator element; and a window part... Agent: Harness, Dickey & Pierce, P.L.C

20080042524 - Film bulk acoustic resonator and method for manufacturing: A film bulk acoustic resonator includes: a support body having a lower hollow portion; a lower electrode supported on the support body and provided above the lower hollow portion; a piezoelectric layer provided on the lower electrode; an upper electrode provided on the piezoelectric layer; a sidewall surrounding the upper... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080036302 - Motor: A motor is disclosed. The motor, which includes a stationary member, a rotating member coupled to the stationary member that rotates about an imaginary rotational axis, a plate coupled to or mounted on the rotating member to support the rotating member, a cap covering at least a portion of the... Agent: Staas & Halsey LLP

20080036304 - High performance focusing actuator of a voice coil motor: A high performance focusing actuator of a voice coil motor comprises a retaining unit having a plastic retaining frame; a center portion of the plastic retaining frame being a receiving space; two opposite corners of the receiving space being chamfered; an inner side of each chamfered side being formed with... Agent: Chii-hsin Ho

20080036303 - Linear motor for imparting vibration to a supported body: An electrically-powered linear motor for a whole body vibration (WBV) machine is disclosed for producing and imparting vibrations to a platform for supporting a user. The linear motor comprises one or more pairs of generally aligned coils for producing electromagnetic responses in one or more magnets, each disposed generally intermediate... Agent: Streets & Steele

20080036305 - High efficiency linear motor and oil well lift device: A high-efficiency permanent magnet linear motor optimized for low speed, high thrust applications, and a direct-drive oil well lift device powered by the motor. The motor comprises a high ratio of conductor volume to core cross-section area (14) and a plurality of individual, rectangular core-winding units (22) with a straight... Agent: Davor J. Raos

20080036306 - Omnidirectional electrical generators: Electrical generators are provided by causing permanent magnets to travel through hollow passageways having electrical conductors flanking or surrounding the space within the passageways. The conductors are disposed in undulating patterns the amplitudes of which are aligned in selected correlated positions relative to the lengths of the passageways and directions... Agent: Lucas & Mercanti, LLP

20080036308 - Magnetically driven reciprocating system and method: A magnetically driven reciprocating power output system including: at least one first electromagnet having a direction of elongation defining an axial direction, having a first end and a second end, and having an elongated opened core extending from the first end to the second end, the core having an axis... Agent: Dr. Mark M. Friedman C/o Bill Polkinghorn - Discovery Dispatch

20080036309 - Rocking actuator and laser machining apparatus: A rocking actuator and a laser machining apparatus which can suppress a temperature rise of a permanent magnet in a moving-magnet actuator. Even when a steerable mirror is positioned by rapid and continuous motions, highly reliable machining can be performed without degrading machining throughput or hole position accuracy. A cooling... Agent: Crowell & Moring LLP Intellectual Property Group

20080036310 - Permanent-magnet two-phase synchronous electric motor with mechanical start-up for washing machines and similar household appliances, in particular for washing pumps: The invention relates to a permanent-magnet two-phase synchronous electric motor (1) with mechanical start-up for washing machines and similar, in particular for washing pumps (2), of the type centrally comprising a permanent magnet axial rotor (4) and a stator (5) with a lamination pack core (16) and a double pair... Agent: Akerman Senterfitt

20080036313 - Fan, motor and magnetic conducting housing thereof: A magnetic conducting housing of a motor includes a body and at least one first positioning structure. The magnetic conducting housing has a magnetic element disposed around an inner wall thereof. The body has a top surface and a side wall connected with a circumference of the top surface to... Agent: Birch Stewart Kolasch & Birch

20080036336 - Method and apparatus for monitoring machinery vibration: An apparatus and method for monitoring vibration of the stator core and/or the conductors of electrical machinery during its operation involves positioning vibration sensors at the stator bar ends and operatively coupling the vibration sensors to a central controller. The vibration sensors are axially disposed along the length of an... Agent: Nixon & Vanderhye P.C.

20080036337 - Fan and motor thereof: A fan and a motor thereof are disclosed. The motor includes a first module, a rotor assembly and a second module. The first module includes a housing and a stator assembly disposed within the housing. The rotor assembly includes a shaft and a magnetic element which mounts the shaft and... Agent: Birch Stewart Kolasch & Birch

20080036317 - Sliding drive apparatus: A sliding drive apparatus includes: a housing; a cable; a drum arranged to wind the cable to open and close the driven member; a motor arranged to drive the drum; a tensioner supported by the housing, and arranged to provide a tensioning force to the cable,to be switched from a... Agent: Foley And Lardner LLP Suite 500

20080036318 - Motor and manufacturing method thereof: A motor and a manufacturing method thereof. With a motor that includes a stationary member, a rotating member coupled to the stationary member which rotates about an imaginary rotational axis, and a base cover which covers one side of the stationary member and the rotating member, where the base cover... Agent: Staas & Halsey LLP

20080036319 - Bearing unit and motor: Herein disclosed a bearing unit including: a dynamic pressure fluid bearing adapted to receive a rotary shaft inserted thereinto; a unit main body surrounding the outside of the fluid bearing; a lid member covering an upper opening of the unit main body with the rotary shaft inserted into the dynamic... Agent: Sonnenschein Nath & Rosenthal LLP

20080036320 - Motor with air bearing structure: A motor with an air bearing structure includes a shaft, a rotor, a stator and a magnetic body. The rotor is coupled to the shaft and an air gap is formed therebetween, thereby forming the air bearing structure. The stator is coupled to the rotor and an air gap is... Agent: Birch Stewart Kolasch & Birch

20080036321 - Magnetic floating shaft set and apparatus using same: A magnetic floating shaft set is disclosed to include two guides kept apart from each other at a distance in such a manner that one guide is movable relative to the other guide to adjust the distance between the two guides, a shaft set in between the two guides with... Agent: Pai Patent & Trademark Law Firm

20080036307 - Vibration power generation: Vibration-based electrical power generation is provided. In one aspect, a vibration-based power generator is embodied within a machine dampener and includes an electromotive power generation module and a piezoelectric power generation module. A power storage device is operably coupled to the electromotive power generation module and the piezoelectric power generation... Agent: Westman, Champlin & Kelly, P.A.

20080036311 - Electric motor and apparatus for manufacturing electric motor: A motor capable of reducing cogging torque depending on teeth of a stator, and a motor manufacturing apparatus for manufacturing this motor. The angles of rolling directions of cores stacked are set so that the phase difference between the phases of cogging torques produced on the cores is 180° so... Agent: Staas & Halsey LLP

20080036312 - Energy converter: Method and arrangement for providing an energy converter that includes a combustion system (1) including at least one piston (2, 3), at least one combustion chamber (6, 7) having at least one inlet (11, 13) and at least one outlet (10, 12) with inlet and outlet valves (14, 15, 16,... Agent: Novak Druce + Quigg LLP

20080036314 - Totally-enclosed fan-cooled motor: In a totally-enclosed fan-cooled motor wherein a drive side of a rotation shaft and a side opposite to the drive side are held by means of bearings and so that drive power would be transmitted from the drive side of the rotation shaft with which a rotor is formed into... Agent: Buchanan, Ingersoll & Rooney PC

20080036316 - Geared motor: A geared motor may include a connector, a motor, a deceleration mechanism, an output shaft and a circuit board. The output shaft may include a rotation transmitted part driven by the deceleration mechanism, an external connection part which is disposed apart from the rotation transmitted to be connected with an... Agent: Cantor Colburn, LLP

20080036315 - Resolver external conductor fixing structure: The present invention provides a resolver external conductor fixing structure in which a connection body to which leads are connected is formed detachable from a terminal pin holding part so that the leads can be disconnected during the assembly of a resolver and connected after the assembly. An insulation cover... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080036322 - Electrical machine and method for setting the field and armature of a permanently excited electrical machine: Electrical machine, having a stator which bears a winding and having a rotatable rotor, situated at a distance from the stator via an air gap, which includes at least two coaxial rotor sections which are rotatable relative to one another, in which each rotor section bears a system of permanent... Agent: Crowell & Moring LLP Intellectual Property Group

20080036323 - Permanent magnet synchronous machine with flat-wire windings: According to the invention, an improved copper filling in the slots (4) of a permanently-stimulated synchronous motor (2) may be achieved, whereby such a motor is disclosed, comprising a stator (1), with parallel-edged slots (4), provided with a winding system of flat wires (5), whereby the flat wires (5) each... Agent: Henry M Feiereisen, LLC

20080036324 - Magneto generator: A magneto generator can reduce the man-hours of processing and an amount of use (i.e., an amount of material) of permanent magnets used per generator. The magneto generator includes a bowl-shaped flywheel that rotates about an axis of rotation, a plurality of permanent magnets that are fixedly secured to an... Agent: Sughrue Mion, PLLC

20080036325 - Stator of a magneto generator: A stator of a magneto generator serves to make parts control easy and reduce the production cost. The stator includes a plurality of teeth each having a straight portion extending in a radially outer direction and a flange portion protruding in a circumferential direction from a tip end of the... Agent: Sughrue Mion, PLLC

20080036326 - Rotary electric machine and magnet holder therefor: An electric rotary machine and a magnet holder for holding a main magnet pole on an inner periphery of a yoke of the electric rotary machine are disclosed. The magnet holder includes a dorsal base plate fixedly secured to the inner periphery of the yoke at equally spaced intervals in... Agent: Oliff & Berridge, PLC

20080036327 - Rotor for electric motor: A rotor for an electric motor includes a rotor core formed by axially stacking a plurality of magnetic steel plates and a plurality of axially extending magnet insertion holes, and a magnetic sensor provided on the stator so as to be opposed to an axial end face of the rotor,... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080036328 - Electric machine: In order to be able to electric drives in very tight installation spaces, e.g. in propulsion vehicles or machine tools, an electric machine (1) is proposed having a stator and a rotor (28), with the laminations (2) of the stator have axial slots (4) and teeth (5, 6) extending between... Agent: Henry M Feiereisen, LLC

20080036329 - Motor stator: A motor stator includes a yoke, a plurality of winding portions, a plurality of protrusions, and a plurality of arc extensions. The yoke includes a through hole at the center of the yoke. The winding portions are disposed around the exterior and extend outside of the yoke. The protrusion is... Agent: Birch Stewart Kolasch & Birch

20080036330 - Electric motor: [Solution] An electric motor 1 includes a plurality of first electromagnets 4a, armatures 5a, second electromagnets 6a, first cores 7a, and second cores 8a, which respectively have a plurality of first electromagnets 4a, armatures 5a, second electromagnets 6a, first cores 7a, and second cores 8a. When the polarity of the... Agent: Squire, Sanders & Dempsey L.L.P.

20080036331 - Rotating electric machine: A rotating electric motor includes a rotary shaft capable of rotation, a stator core formed in a cylindrical configuration, a rotor core fixed to the rotary shaft, a magnet set at the rotor core such that a pair of magnetic poles of different magnetism are aligned in the radial direction... Agent: Sughrue Mion, PLLC

20080036332 - Diffusion device: A diffusion device includes a housing and a cavity disposed in a top portion of the housing, wherein the cavity is defined by a bottom wall. The device further includes a flame-shaped compartment extending upwardly through a first aperture in the bottom wall and is disposed within the cavity. A... Agent: S.c. Johnson & Son, Inc.

20080036333 - Ultrasonic motor and vibration detection method for ultrasonic motor: When a piezoelectric ceramic sheet is divided into two equal parts in a longitudinal direction and two equal parts in a width direction to form four regions, internal electrodes are disposed over each region and are disposed so that surface areas occupied in each region are substantially the same, and... Agent: Scully Scott Murphy & Presser, PC

20080036334 - Piezoelectric ceramic composition and piezoelectric ceramic electronic component: A piezoelectric ceramic composition is represented by [(Pb1-xXx)a{(Nib/3Nb2/3)cTidZr1-c-d}O3] in which X is at least one of Sr, Ba, Ca and La), and the compositional amounts x, a, b, c, and d respectively satisfy 0.001≦x≦0.1, 0.930≦a≦0.998, 1.02≦b≦1.40, 0.1≦c≦0.6 and 0.3≦d≦0.6. The specific surface area of the material powder before firing is... Agent: Dickstein Shapiro LLP

20080036335 - At cut quartz crystal resonator element and method for manufacturing the same: An AT cut quartz crystal resonator element includes a quartz crystal element piece having an exciting part formed from an AT cut quartz crystal plate in a rectangular shape having an X-axis direction of a quartz crystal set to a long side, and an exciting electrode formed on each of... Agent: Oliff & Berridge, PLC

20080030108 - Hybrid stepper motor having magnetic enhancement and heat dissipating housing: A hybrid stepper motor includes a stator having a number of poles. Teeth are formed on the stator poles and separated from each other by slots. A magnet is inserted in the slots to a predetermined depth from a top surface of the stator teeth. The motor further includes a... Agent: B. Joe Kim Greer, Burns & Crain, Ltd.

20080030083 - Hand-guided power tool and coupling of a hand-guided power tool: A hand-guided power tool, particularly grass clippers, includes at least one rod holder and tool holder and a guide rod connected with the rod holder. A coupling is provided between the tool holder and the rod holder and has a swivel guide that permits the tool holder and the rod... Agent: Striker, Striker & Stenby

20080030084 - Cooling air flow passage for vehicular alternator: In a cooling air flow passage for a vehicular alternator, a cooling air blows from a top toward a bottom of a cooling air room formed between a primary and secondary rear covers through a suction duct of an approximate character “L” shape. The cooling air is then supplied in... Agent: Oliff & Berridge, PLC

20080030109 - Motor and storage disk device: A motor used for a data storage disk drive is provided. The motor includes a rotor holder having a cylindrical portion. The cylindrical portion has a radially inner surface defining a through hole and an inner protruding section arranged at an axial end portion of the radially inner surface. The... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080030081 - Linear or curved mobile motor and its radiator: A radiator for a linear or curved mobile motor for removing the thermal distortion of a mover and a transporting member of a linear or curved mobile motor, and a high-accuracy, high-reliability linear or curved mobile motor using it. The linear or curved mobile motor includes a field pole having... Agent: Akin Gump Strauss Hauer & Feld L.L.P.

20080030082 - Reciprocating motor: A reciprocating motor comprises: a first stator having a bobbin and lamination sheets laminated outside the bobbin; a second stator disposed at an air gap from the first stator and having lamination sheets; and a magnet paddle disposed between the first stator and the second stator and having a magnet... Agent: Birch Stewart Kolasch & Birch

20080030085 - Permanent-magnet generator and method of cooling: The invention is a generator and cooling mechanism. The generator includes a rotor comprising a shaft with a skewed alignment of magnets on a ring, a stator of toothed laminations with coils wound around the teeth, and a housing with cooling chambers. The housing has annular subchambers arranged successively along... Agent: Butzel Long

20080030086 - Totally enclosed type main drive motor for vehicle: A totally enclosed type main drive motor for a vehicle includes a stator core arranged on an inner circumference of an outer casing frame, a bracket arranged on one end of the outer casing frame to have a bearing built-in, a housing arranged on the other end of the outer... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080030087 - Electromotor: An electromotor has an external stator, and a ventilator vessel which is used to produce a cooling air flow for self-ventilation of the electromotor. In order to improve the cooling of an electromotors, it is proposed to use a ventilator vessel to help direct an air flow along the outer... Agent: Baker Botts L.L.P. Patent Department

20080030088 - Compact integrated brushless permanent-magnet motor & drive: The present invention is an integrated brushless permanent-magnet motor with the circuit board controller in the same chamber as the rotor and stator. Including the circuit board controller in the same chamber as the rotor and stator allows for a more compact motor. The motor may include fins on its... Agent: Thomas Moga Butzel Long

20080030089 - Air bearing spindles: An air bearing spindle comprising a shaft journalled, by virtue of an air bearing, for rotation within a sleeve and a motor for driving the shaft relative to the sleeve, wherein the motor comprises stator windings and the shaft defines a generally annular accommodating recess in which the stator windings... Agent: Alston & Bird LLP

20080030090 - Magnetic power transmission system with rd motor: [Solution] A magnetic power transmission system is comprised of an outer rotor 11 including a plurality of left and right permanent magnets 11c arranged in a circumferential direction, an inner rotor 12 including a plurality of left and right permanent magnets 12c arranged in the circumferential direction, and an intermediate... Agent: Squire, Sanders & Dempsey L.L.P.

20080030091 - Hysteresis clutch/brake: A hysteresis/brake having a magnetic body (2) with an inner pole ring (4), an outer pole ring (6) and an anchor (7) with a permanently magnetic hysteresis ring (9). The hysteresis/brake further includes at least one intermediate pole ring (5, 13) radially located between the inner pole ring (4) and... Agent: Davis Bujold & Daniels, P.l.l.c.

20080030092 - Hybrid electric reluctance motor: Hybrid electric reluctance motor, characterized by the fact of its having an arrangement with coils (8) in opposition and permanent magnets (9) in opposition and in parallel with the coils (8) in the stator and/or rotor (2); when the coils (8) of the motor's stators and/or rotors (2) are energized,... Agent: Bacon & Thomas, PLLC

20080030094 - Dynamoelectric machine rotor and method for reducing torque ripple: Disclosed herein is a dynamoelectric machine rotor. The rotor includes, a plurality of first cavities positioned near a circumferential surface of the rotor, each first cavity receptive of at least one permanent magnet, and a plurality of second cavities positioned substantially between circumferentially adjacent first cavities.... Agent: Cantor Colburn, LLP

20080030093 - Permanent magnetic synchronous electrical motor: A permanent magnetic synchronous electrical motor, in which the waveform of the induced voltage is more similar to the sine curve than the prior art, so as to reduce the torque ripple. The outer shape of a rotor core of the electrical motor is specified by using the reciprocal of... Agent: Drinker Biddle & Reath (dc)

20080030095 - Small-sized motor having ring-shaped field magnet: A small-sized motor includes a field magnet attached to an inner circumferential surface of a metallic motor casing and having four or more magnetic poles. The field magnet is formed of a single ring-shaped magnet member having a predetermined thickness with respect to the radial direction and a predetermined length... Agent: Mcglew & Tuttle, PC

20080030096 - Distributed coil stator for external rotor three phase electric motors: A distributed coil stator (102) for external rotor electric motors includes a core having a cylindrical surface bounded by a first end surface and a second end surface, wherein a first set of openings (110) aligned in a first circular path (111) extends within the core from the first end... Agent: Baker, Donelson, Bearman, Caldwell & Berkowitz

20080030097 - Wedge modification and design for maintaining rotor coil slot in a generator: A rotor coil wedge for a rotor coil slot in a generator rotor. The rotor coil wedge has a generally dove tail cross-section for placement in the rotor coil slot, and includes: an end surface; a side surface; and a beveled edge where the end surface meets the side surface.... Agent: Michael F. Hoffman

20080030098 - Motor assembly with a sealed commutator/brush interface: A motor assembly includes a commutator having a shaft extending axially therefrom, a commutator end bracket assembly, and at least two brushes carried by the commutator end bracket assembly and in contact with the commutator. A disc is carried by the commutator for rotation therewith. The commutator includes a notch... Agent: Renner Kenner Greive Bobak Taylor & Weber

20080030099 - Carbon brush for an electrical machine: A carbon brush for an electrical machine for pivotable support on a brush holder of the electrical machine includes a bearing portion embodied on the carbon brush itself for pivotably supporting the carbon brush. This can be done in the form of a bore of a cylindrical portion. This has... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080030100 - Vehicle alternator with improved brush device: A vehicle alternator is disclosed as including a stator having a stator winding, a rotor, having a field winding and rotatably disposed in the stator, which is mounted on a rotary shaft formed with slip rings electrically connected to the field winding, and a brush device including a brush holder... Agent: Oliff & Berridge, PLC

20080030101 - Ultrasonic motor: The invention provides an ultrasonic motor including internal electrodes provided in an ultrasonic vibrator and disposed in regions where electrical charges of the same sign are generated in one vibration mode and where electrical charges of opposite sign and substantially the same amount are generated in another vibration mode; and... Agent: Scully Scott Murphy & Presser, PC

20080030102 - Inspection method, inspection apparatus, and polarization method for piezoelectric element: A method for inspecting a piezoelectric element includes first-inspection-signal application step of applying to the piezoelectric element a first inspection signal Vp(1) having a first predetermined voltage waveform; first-characteristic-value measurement step of measuring, as a first characteristic value, an electrical characteristic value of the piezoelectric element after application of the... Agent: Burr & Brown

20080030103 - Piezoelectric drive unit and method for generating a preferably rotating drive movement for such a drive unit: The invention relates to a piezoelectric drive unit and a method for generating a preferably rotating drive movement for such a drive unit. The drive unit comprises a stator (1), a rotor, embodied to rotate about a rotational axis (2), with relation to the stator and drive elements, preferably in... Agent: Norman H. Zivin Cooper & Dunham

20080030104 - Ultrasound transducer with non-uniform elements: An ultrasound transducer comprises a multiplicity of piezoelectric transducer elements attached to a backing layer and forming a two-dimensional array, the transducer elements each comprising one or more piezoelectric members that collectively form an energy transmitting surface of the respective transducer element, the energy transmitting surface having a geometric center,... Agent: VistaIPLaw Group LLP

20080030105 - Multi-layered component and method for the production thereof:

20080030106 - Laser capacitance trimmed piezoelectric element and method of making the same: A piezoelectric element suitable for use as a sensor element in a hydrophone. In a preferred embodiment, the sensor element comprises a ceramic lead zirconate titanate substrate defining opposed ends and including at least first and second conductive strip electrodes on opposed top and bottom faces thereof. In accordance with... Agent: Daniel J. Deneufbourg, Esq. Senior Intellectual Property Counsel

20080030107 - Piezoelectric resonator with short-circuits preventing means: The tuning fork piezoelectric resonator (1) according to the invention comprises a base part (4) from which protrudes first and second parallel vibrating arms (2, 3) carrying a set of excitation electrodes (5, 6) to make them vibrate, the set of excitation electrodes being formed by conductive deposits and comprising... Agent: Griffin & Szipl, PC