Electrical generator or motor structure inventions 06/08

20080150374 - Coil arrangement for shaft-type linear motor: A coil arrangement for a shaft-type linear motor is disposed in a mover and comprises a plurality of insulating members and a plurality of coils. Each of the insulating members is at least defined in the center thereof with a stator passage. The stator passage is surrounded by an insulating... Agent: Dr. Banger Shia

20080150399 - Stepping motor: In a stepping motor including two stators and a rotor having two magnets, three dimensional relations, specifically a relation of Lm/Ls, another relation of d/2Lm, and still another relation d/D, are optimally determined while satisfying their respective ranges: 0.35≦Lm/Ls≦0.45; 0.77≦d/2Lm≦1.10; and d/D≦0.45, where Lm is the axial dimension of the... Agent: Oliff & Berridge, Plc

20080150375 - Electric power tool: An electric power tool includes a tool body having a rotor, an inner cylindrical body and outer cylindrical body. The rotor is provided with a ventilation space therearound, a body part and a brush contact part, and housed in the inner cylindrical body. The inner cylindrical body is inserted in... Agent: Heslin Rothenberg Farley & Mesiti Pc

20080150376 - Dynamoelectric machine: The dynamoelectric machine according to the present invention includes: a stator winding disposed in a stator; a temperature sensor for estimating a stator winding temperature of the stator winding; and a thermally-conductive bracket disposed between the stator winding and the temperature sensor. An estimated value of the stator winding temperature... Agent: Sughrue Mion, Pllc

20080150400 - Electric machines, rotors, and rotor cages having reduced noise characteristics: A cast rotor cage for an electric machine is provided. The rotor cage includes conductor bars, a first end ring, and a second end ring. The conductor bars have a first end and a second end. The first end ring is at the first end, while the second end ring... Agent: Paul D. Greeley Ohlandt, Greeley, Ruggiero & Perle, L.l.p.

20080150401 - Fan, motor and fixing structure thereof: A motor comprises a base, a rotor, a stator, and a circuit board. The base includes a sleeve. The stator includes at least one fastener. The sleeve has an inclined outer surface. The fastener extends to the circuit board and abuts the inclined outer surface to fasten the circuit board.... Agent: Birch Stewart Kolasch & Birch

20080150402 - Motor module: A motor module includes a bearing housing having a loading base, an electric unit, a bearing, and a magnetic rotor unit disposed on the bearing. In addition, a protruding portion is extending from the loading base, and the electric unit includes a printed circuit board (PCB) and sensing elements, wherein... Agent: Morris Manning Martin LLP

20080150377 - Insulating motor housing: An insulating motor housing includes first to fourth power supply elements stacked in their thickness direction to be spaced and insulated from each other and integrated with a housing body by insert molding. A power source connector using power source terminals of the second to fourth power supply elements as... Agent: Roberts, Mlotkowski & Hobbes

20080150378 - Human power generation using a pulley: An electric power generation system is disclosed. The electric power generation system includes: a string; a bobbin configured to rotate when the string is unwound from the bobbin as the string is pulled; and an electric power generator having a rotor wherein the rotor is mechanically coupled to the bobbin.... Agent: Van Pelt, Yi & James LLP

20080150380 - Eccentric rotor and vibration motor incorporating the eccentric rotor: A vibration motor includes a housing, a stator (10) received in the housing (30) and a rotor (20) rotatably disposed in the stator. The stator includes two claw-pole assemblies (11) arranged back-to-back, and a shaft (23) being fixedly connected with the two claw-pole assemblies. The rotor includes a bearing (22)... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080150379 - Vibration motor: A vibration stator includes a housing (30), a stator (10) received in the housing and a rotor (20) being rotatably disposed in the stator. The stator includes two claw-pole assemblies (11) arranged back-to-back and located at two opposite ends of the vibration motor symmetrically. Each claw-pole assembly includes two yokes... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080150381 - Electrical machine with torque limitation: An electrical machine with torque limitation which is only slightly larger structurally than an identical machine without torque limitation and is thus as compact as possible has a stator with windings and a rotor supported movably relative to the stator, recesses distributed over the circumference and extending axially are present... Agent: Striker, Striker & Stenby

20080150382 - Driving device and power output apparatus equipped with driving device: A driving device of the invention has a clutch 40 and a continuously variable transmission 50. The clutch 40 couples and decouples a rotating shaft 24 or an output shaft of a motor 30 with and from a driveshaft 22. The continuously variable transmission 50 has an input shaft connected... Agent: Oliff & Berridge, Plc

20080150383 - Magnetic torque limiter: A magnetic slip clutch has an outer rotor and an inner rotor, one of the rotors includes permanent magnets, and one of the rotors includes slots, and both rotors are located coaxially to one another; the outer rotor is embodied as a hollow cylinder open on one end, which cylinder... Agent: Striker, Striker & Stenby

20080150384 - Method and apparatus for compensating a line synchronous generator: A three-phase line synchronous generator with an exciter and generator stage. The exciter stage includes an exciter stator having n poles and an exciter rotor having n poles and disposed for rotation within the exciter stator, and the generator stage includes a generator stator having n poles and a generator... Agent: Arent Fox LLP

20080150385 - Rotor structure for a permanent-magnet machine: The object of the invention is a rotor for a permanent-magnet synchronous machine in which a pole structure is fitted onto the surface of the rotor body structure facing the air gap. Each of the rotor's pole structures comprises at least one permanent magnet and a shell structure fitted on... Agent: Buchanan, Ingersoll & Rooney Pc

20080150386 - Rotary structure of permanent magnet electric machinery and method for determining the structure thereof: A rotary structure of a permanent magnet electric machine including a stator and a rotor is provided. The stator has K salient teeth peripherally spaced with equal intervals for forming K winding slots, wherein K is a natural number greater than 1. The rotor has an annular inner surface and... Agent: Volpe And Koenig, P.c.

20080150387 - Rotatable magnetic device: A rotatable magnetic device has a housing, a shaft, a stator, a rotor and a cord. The housing is hollow and has an inner wall. The shaft is mounted coaxially and rotatably in the housing. The stator is mounted on the inner wall of the housing. The rotor is mounted... Agent: Jackson Walker, L.l.p.

20080150389 - Electrical machine with slots: The aim of the invention is to minimize the local surface loss densities of the ferromagnetic material of an electric machine. An electric machine with a stator (2) that is made of layered sheet metal plates (1) is thus disclosed. The sheet metal plates (1) have slots (3) that are... Agent: Henry M Feiereisen, Llc

20080150388 - Motor stator with different winding volume for different stator teeth: A device includes a stator lamination of a stator for a motor with a first set of stator teeth and a second set of stator teeth, a first set of windings with wire having a first diameter on the first set of stator teeth and a second set of wire... Agent: Shumaker & Sieffert, P. A.

20080150390 - Serrated mems resonators: One embodiment of the present invention sets forth a serrated tooth actuator for driving MEMS resonator structures. The actuator includes a fixed drive electrode having a serrated tooth surface opposing a MEMS resonator arm also having a serrated tooth surface, where the MEMS resonator arm is configured to rotate towards... Agent: Patterson & Sheridan, L.l.p.

20080150391 - Method and device for moving an element to be driven using an actuating element formed by etching in a semiconductor material: A device comprising an element to be driven and a driving element designed to be urged into engagement with the element to be driven and an actuating element adapted to generate a reciprocating movement to move the driving element, the driving element and the actuating element being formed by etching... Agent: Pauley Petersen & Erickson

20080150392 - Mechanical oscillator formed by a network of basic oscillators: A basic oscillator (18) with two masses (1, 2) oscillating out of phase by means of a closed-contour coupling beam (3) is arranged in a plurality of sets in a generally linear or two-dimensional network, with linking beams (19, 20) passing through the rows of the network in order to... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080150393 - Ultrasonic motor: An ultrasonic motor that is capable of stable driving by preventing uneven rotation of a driven body and maintaining the drive efficiency is provided. The ultrasonic motor includes a plurality of ultrasonic transducers including alternately stacked first piezoelectric elements and second piezoelectric elements, and a control unit for applying the... Agent: Scully Scott Murphy & Presser, Pc

20080150394 - Ultrasonic motor: An ultrasonic motor includes a stator that includes a comb body with a plurality of circumferentially-arranged comb-like projections and a piezoelectric body integrally mounted on the comb body, a rotor rotatable with respect to the stator, the rotor establishing pressure contact with the stator, a resin film formed on at... Agent: Greenblum & Bernstein, P.L.C

20080150395 - Broadband energy harvester apparatus and method: An energy harvesting apparatus and method for harvesting vibration energy over a wide frequency band and at low amplitudes. The apparatus includes a reaction component that is supported by a plurality of independent piezoelectric flexures from a base. The flexures are secured to the base and to portions of the... Agent: Harness, Dickey & Pierce, P.L.C

20080150396 - Energy harvesting apparatus and method: An energy harvesting apparatus and method. In one form the apparatus makes use of a pair of flexible beams that are supported at first ends thereof from a base. Second ends of each of the beams are operatively coupled to rigid links. The rigid links are in turn operatively coupled... Agent: Harness Dickey & Pierce, Plc

20080150397 - Structures and methods for crystal packaging: A crystal oscillator is mounted in a flexible harness rather than at discrete points. The crystal oscillator and associated control circuitry may be formed on a common substrate, decreasing component size and minimizing temperature fluctuations by shortening the thermal path between the crystal and the control circuitry.... Agent: Goodwin Procter LLP Patent Administrator

20080150398 - Crystal unit having stacked structure: A stacked crystal unit includes: a first crystal plate in which a vibration member links to an outer circumferential frame portion, and a pair of extending electrode extends to the frame portion from excitation electrodes; and a second and third crystal plates which have a concave portion in an area... Agent: Katten Muchin Rosenman LLP

20080143194 - High bandwidth linear actuator for steering mirror applications: A printed circuit board (PCB) coil linear actuator is disclosed. The actuator includes a coil assembly and a magnet assembly. The coil assembly includes a plurality of PCB coils electrically connected in series. The PCB coils arranged in a row and adjacent PCB coils are separated by a gap. Each... Agent: Connolly Bove Lodge & Hutz LLP

20080143195 - Magnetomechanical transducer, and apparatus and methods for harvesting energy: A magnetomechanical transducer, and apparatus and methods using said magnetomechanical transducer, extract electrical power from any motion, including random motion, cyclic, and vibrational motion. The motion is transferred to linear motion through a mechanical connecting device to the magnetomechanical coupler, which comprises a magnetoplastic and/or magnetoelastic material that transduces the... Agent: Pedersen & Company, Pllc

20080143196 - Mems scanner driven by two or more signal lines: A MEMS oscillator, such as a MEMS scanner, has an improved and simplified drive scheme and structure. Drive impulses may be transmitted to an oscillating mass via torque through the support arms. For multi-axis oscillators drive signals for two or more axes may be superimposed by a driver circuit and... Agent: Microvision, Inc.

20080143197 - Stator structure and manufacturing method thereof: A stator structure includes a magnetically conductive element and a winding. The magnetically conductive element is integrally formed as a single unit by at least one magnetic powder. The winding is wound around the magnetically conductive element. The manufacturing method of the motor stator is also disclosed.... Agent: Birch Stewart Kolasch & Birch

20080143198 - Shock absorbing connector: Taught herein is a motor, comprising a stator core (1), a shaft (2) nested around the stator core (1), and shock-absorbing connector, wherein the shock-absorbing connector is disposed between the stator core (1) and the shaft (2) so as to absorb and buffer unbalanced counterforces acting on the stator core... Agent: Matthias Scholl

20080143199 - High power density cooling of electrical machines using ceramic tubes of high thermal conductivity: A high power density generator contains an armature structure having a plurality of conductors and at least one heat transfer tube thermally coupled to the conductors. The tube is hollow so as to allow a heat transfer fluid to pass through it. The tube is made of a material having... Agent: General Electric Company Global Research

20080143200 - Thermally-conductive stator support structure: A stator assembly including a plurality of stator coil assemblies and a stator coil support structure constructed of a non-magnetic, thermally-conductive material. The stator coil support structure includes an axial passage for receiving a rotor assembly and a plurality of channels positioned radially about the axial passage. Each channel is... Agent: Occhiuti Rohlicek & Tsao, LLP

20080143201 - Methods and apparatus for cooling an electric motor: An electric motor includes a frame having opposing first and second ends, and an endshield coupled to at least one of the first frame end and the second frame end. The endshield includes a body and at least one endshield channel extending through the body and configured to carry a... Agent: Patrick W. Rasche (12552)

20080143203 - Over molded stator: Devices and methods are provided for an improved motor stator. One embodiment for a stator includes a stator section having a first surface and a second surface each surface having a groove extending into the stator section and a slot extending longitudinally between the first and second surfaces. Insulated conductive... Agent: Brooks, Cameron & Huebsch , Pllc

20080143202 - Rotor pole crossover connection: A rotor pole crossover connection joint for use in a rotating electrical machine is disclosed. The connection joint integrally couples a bottom rotor coil strap to a rotor pole crossover connector with a single piece connector that reduces, distributes or otherwise tolerates stress concentrations in the connector. A corresponding method... Agent: Siemens Corporation Intellectual Property Department

20080143204 - Magnet generator: A magnet generator including a bowl-shaped flywheel which is formed of a cylindrical portion and a bottom portion on one end side of the cylindrical portion, a plurality of magnets which are arranged on the inner peripheral surface of the cylindrical portion of the flywheel, and a power generation coil... Agent: Sughrue Mion, Pllc

20080143205 - Electric machine having a hybrid bearing: An electric machine having a hybrid bearing for the purpose of supporting a rotor with respect to a stator, the hybrid bearing consisting of a radial bearing, taking the form of a fluid dynamic bearing, and an axial bearing that is made up of magnetic elements, wherein the magnetic elements... Agent: Duane Morris LLP

20080143206 - Electric motor: An electric motor that includes a first rotor, a second rotor, a first permanent magnet, a second permanent magnet, a stator, an electromagnet, a shaft, a shaft rotation position sensor and an electric switch, the first rotor being mounted on the shaft, the second rotor being mounted on the shaft... Agent: Timothy S. Stevens

20080143207 - Fault-tolerant synchronous permanent magnet machine: A fault tolerant synchronous permanent magnet machine is disclosed that reduces rotor losses by limiting eddy-current losses in the retaining sleeve. The machine limits eddy-current loss by any one or combination of axially segmenting the retaining sleeve, providing a highly electrically conductive non-magnetic shield to the retaining sleeve, and by... Agent: General Electric Company Global Research

20080143208 - Rotor winding shield for a superconducting electric generator: A generator rotor core (54) carrying superconducting windings (60) and having a shield (426) over the superconducting windings (60) to prevent external magnetic fields from impinging the windings. Axial shield edges (430/434) mate with corresponding features of the rotor core (54) or with structures affixed to or supported by the... Agent: Siemens Corporation Intellectual Property Department

20080143209 - Non-linear dielectrics used as electrical insulation: An electrical machine including a winding made of a conductive material is disclosed. The electrical machine also includes an insulating layer disposed around at least a portion of the winding having a dielectric constant that varies as a function of voltage.... Agent: General Electric Company (pcpi) C/o Fletcher Yoder

20080143210 - Three-phase motor stator: The present invention provides a three-phase motor stator. The shape of the three-phase motor stator is defined by an optimum pole-tooth ratio for reducing the cogging torque of the motor and increasing the efficiency of the motor. The three-phase motor stator includes at least one plate board. The plate board... Agent: Rosenberg, Klein & Lee

20080143211 - Face commutator and method for producing a face commutator: The invention relates to a face commutator (101) having a supporting body (102) consisting of an electrically insulating material, a large number of connection segments (108) consisting of an electrically conductive material for connecting in each case at least one end of a coil winding, and a large number of... Agent: Roylance, Abrams, Berdo & Goodman, L.l.p.

20080143212 - Commutator, mold for producing commutator, and method for producing commutator: A commutator includes a conductive part that has a cylindrical body and a plurality of coil latching portions at intervals circumferentially on one axial end; and an insulating part formed inside the conductive part. The conductive part includes segments that are insulated for each latching portion by cutting axially the... Agent: Oliff & Berridge, Plc

20080143213 - Ultrasonic motor: An ultrasonic motor includes a stator that includes a comb body with a plurality of circumferentially-arranged comb-like projections and a piezoelectric body integrally mounted on the comb body, a rotor rotatable with respect to the stator, the rotor having a contact surface that establishes pressure contact with the stator, and... Agent: Greenblum & Bernstein, P.L.C

20080143214 - Self-contained voltage generating systems: A self-contained voltage generating system is incorporated in a package or device for housing a product. There is at least one piezoelectric element incorporated in the package or device and the piezoelectric element generates a source of voltage when it is activated. The voltage is then used to perform various... Agent: Avon Products, Inc. Joan M. Mcgillycuddy

20080143215 - Piezoelectric thin-film resonator and filter using the same: A piezoelectric thin-film resonator includes: a lower electrode supported by a substrate, a space being defined below the lower electrode; a piezoelectric film provided on the lower electrode and the substrate; and an upper electrode provided on the piezoelectric film so as to form a resonance portion in which the... Agent: Arent Fox LLP

20080143216 - Piezoelectric composite apparatus and related methods: A piezoelectric planar composite apparatus to provide health monitoring of a structure and associated methods are provided. The piezoelectric planar composite apparatus includes a piezoelectric electric material layer, multiple electrodes positioned in electrical contact with the piezoelectric material layer, and multiple sets of electrode interconnect conductors each positioned in electrical... Agent: Bracewell & Giuliani LLP

20080143217 - Process compensated micromechanical resonators: Disclosed are micromechanical tapered I-shaped bulk acoustic resonators. An exemplary resonator is formed on a substrate, which is preferably silicon. The resonator has a central rod (or extensional member) coupled to two tapered lateral flanges (or flexural members). The central extensional member and tapered flexural members are separated from the... Agent: Law Offices Of Kenneth W. Float

20080136266 - Electromagnetic linear drive: An electromagnetic linear drive contains a stator and an armature. A relative movement between the stator and the armature can be effected. An air gap is formed between a surface of the armature and of the stator at least during a relative movement. The air gap is slanted with regard... Agent: Lerner Greenberg Stemer LLP

20080136268 - Electromotor having a segmented part made up of a plurality of laminated cores, and method for joining the laminated cores: An electromotor, in particular a linear motor, includes a segmented part formed by elementary laminated cores. On the side of a transition to an adjacent elementary laminated core, each elementary laminated core has a partial tooth, two partial teeth of two adjacent elementary laminated cores forming a transition tooth around... Agent: Kenyon & Kenyon LLP

20080136267 - Positioning device: A positioning device comprises a frame (60); a motor (61) having a drive shaft; a spindle (63) having a first end (71) and a second end (76) and being rotatable in relation to the frame (60); a coupling (62) resiliently connecting said drive shaft to said first end (71) of... Agent: Richard S Milner Cooper & Dunham

20080136269 - Rotary electric machine: In a rotary electric machine, for enhancing the reliability and reducing the size thereof, the rotary electric machine comprises a stator, and a rotor opposed to the stator and adapted to be rotated around a shaft, the rotor having an iron core formed therein with a plurality of axial holes... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080136270 - Power wrench: The present invention relates to a power-wrench comprising an electrical converter-fed motor having a permanent-magnetized rotor and a stator provided with winding, the motor winding (1) comprising at least two winding parts, which independently of each other are connected and disconnected by a switch-over device (4). According to the invention,... Agent: Greenberg Traurig, LLP

20080136271 - Cooling system for an electric motor: The present invention provides a stator assembly for an electromechanical hybrid transmission. The stator assembly is generally annular and defines a centrally located rotor aperture configured to accommodate a rotor. The stator assembly includes a stator core having a plurality of radially inwardly extending stator teeth, and a stator wire... Agent: General Motors Corporation Legal Staff

20080136272 - Rotating electrical machine: Stator pawl magnetic poles of a stator core extend from both sides in an axial direction alternately at locations opposed to a rotor to form a plurality of magnetic poles. With this stator core, it is only necessary to annularly wind a stator winding. Therefore, it is possible to enhance... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080136294 - Self-regulating permanent magnet device: A self-regulating permanent magnet device has a first rotor segment and second rotor segment, each supporting a set of permanent magnets, wherein the position of the second rotor segment relative to the first rotor segment is modified based on the speed of the self-regulating permanent magnet device. By modifying the... Agent: Kinney & Lange, P.a.

20080136273 - Motor end bell having terminal access opening and cover: A motor end bell assembly includes an end bell having an opening in a face of the end bell for accessing terminals of the motor. An additional aperture in the end bell facilitates passage of a power cord through the end bell. A cover at least partially closes the opening... Agent: Senniger Powers LLP

20080136274 - Motor, stator, wire and manufacturing method of the same: A stator of a motor includes a plurality of busbar plates, each laminated above a stator core in an axial direction and connected to a plurality of wires having a substantially U-shaped configuration. Each busbar plate includes a plurality of busbars arranged in a circumferential direction, and a busbar holder... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080136275 - Method and device for an actuator motor including an air-actuated brake device: A plurality of fan blades are secured to a rotor assembly of a single directional motor. When the motor is powered on, a force generated by the fan blades pushes the rotor assembly in a direction of a low friction thrust interface. When the motor is backdriven in a direction... Agent: Townsend And Townsend And Crew, LLP

20080136276 - Motor- or a generator-related arrangement: The disclosure relates to a motor- or generator-related arrangement or structure (20) with two parts (5, 15) rotatably disposed in relation to one another, where a first part (5), serving as rotor unit, is rotatably disposed about a shaft (7) in a first selected direction of rotation, and a second... Agent: Seyfarth Shaw LLP

20080136277 - Motor-pump unit having a wet-running electric motor and a hydraulic pump which is driven by the electric motor: The invention relates to a motor-pump unit having a wet-running electric motor and a hydraulic pump which is driven by the electric motor. The electric motor has a rotor and a laminated stator core surrounding it. The electric motor is terminated at one end by a connecting cover, and at... Agent: Zarley Law Firm P.L.C

20080136278 - Motor: A motor includes a bracket that defines an exterior of the motor. A PCB is held within the bracket and has a circuit pattern and various elements mounted thereon. A stator is provided on the PCB and a rotor is provided within the stator. A shaft rotates together with the... Agent: Mckenna Long & Aldridge LLP

20080136279 - Electromagnetic permanent magnet brake: An electromagnetic brake (20), in particular for an electric drive is provided, having a brake body (3), which is provided with a sleeve-shaped permanent magnet (4), an electromagnet (5) with an exciting coil (6), an external ring in the form of an external pole and an internal ring (8) in... Agent: Volpe And Koenig, P.c.

20080136280 - Motor mechanism of dc inverter-fed compressor: A motor mechanism of DC inverter-fed compressor is disclosed, wherein a motor rotor includes a first rotor layer, a second rotor layer and a third rotor layer, made up respectively of a plurality of rotor units stacked together. The rotor units have a shaft hole in the middle and have... Agent: Birch Stewart Kolasch & Birch

20080136281 - Motor: A rotor portion of a motor includes a rotor core and a plurality of field magnets arranged in a circumferential direction at the rotor core. The rotor core includes at a flux barrier portion thereof arranged between a pair of field magnets of opposite magnetic polarities arranged next to one... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080136282 - Axial gap type motor: A series coupling synchronous axial gap type motor where rotors and stators are alternately stacked with required air gaps in the axial direction of a rotary shaft as a main shaft, is provided. The rotors are fixed to the rotary shaft, and the stators are disposed such that they cannot... Agent: Foley And Lardner LLP Suite 500

20080136283 - Motor: In a stator of a motor, a first winding of each coil is arranged around three teeth next to one another and a second winding of each coil is arranged around three teeth with a tooth which is arranged at an end of the three teeth for the first winding... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080136284 - Manufacturing method of motor and armature: A straight line portion of a substantially U-shaped angular wire having a substantially rectangular cross section and a straight line portion of a substantially U-shaped round wire having a substantially circular cross section are accommodated at a slot arranged at a stator of a motor. The round wire is arranged... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080136286 - Concentrated winding coil and method of manufacturing same: A concentrated winding coil according to the present invention comprises a plurality of coil layers each of which comprises a plurality of wire turns wound in alignment winding; and a bobbin comprising an inner flange, an outer flange and a bobbin body on which the wire is wound, wherein: each... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080136285 - Spindle motor, disk drive, and method of fabricating a stator core: The spindle motor has a stator and rotor. The stator has a stator core comprising a yoke and salient poles and also includes a stator coil. The stator core is formed by laminated steel sheets. The salient poles made of the steel sheets are formed by etching. The steel sheet... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080136287 - Motor: A motor includes a stator core that forms a magnetic path and has a plurality of tooth parts along a circumferential direction; a tooth provided in each tooth part to wind a coil there around; and an extension part alternated with the tooth part along a circumferential direction of the... Agent: Mckenna Long & Aldridge LLP Song K. Jung

20080136288 - Commutator and method of commutating current in a rotating electrical machine: A commutator for rotation with or by the shaft of a electrical machine has first and second electrically conductive commutator segments provided on a base for electrical engagement with brushes connected to windings. Isolated from and interspersed between the commutator segments are first and second freewheeling segments. A first diode... Agent: Leydig Voit & Mayer, Ltd

20080136289 - Driving circuit of piezoelectric transformer: In the driving circuit of piezoelectric transformers including piezoelectric transformers 11 to output a specified voltage to cold cathode fluorescent lamps 12, a driving section 50 to apply a voltage V used to drive the piezoelectric transformers 11, a frequency controlling section 51 to control the driving section 50, and... Agent: Mcginn Intellectual Property Law Group, Pllc

20080136290 - Power generator using piezoelectric material: A power generator includes a first terminal; a second terminal surrounding the first terminal; piezoelectric elements disposed radially around the terminals, one end of each element being connected to the terminals; and masses connected to the other ends of the elements.... Agent: Morgan, Lewis & Bockius LLP (sf)

20080136291 - System for oscillating a micromechanical cantilever: This invention relates to a system for exciting oscillations of micromechanical cantilever sensors and for measuring and evaluating the corresponding oscillations. Such sensors can e.g. be used to detect chemical substances, biomolecules, microorganisms or viruses, or to analyze surface-related phenomena and processes such as conformational changes or phase transitions in... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080136292 - Miniaturized piezoelectric based vibrational energy harvester: The present subject matter discloses apparatus and methodologies for fabricating apparatus for harvesting power from environmentally induced vibrations. Piezoelectric devices and structures (1600) are disclosed that employ constant force spring or flexure arrangements (1512) in balanced opposition configurations (1510, 1534) to enhance the power harvesting capabilities of the piezoelectric devices... Agent: Dority & Manning, Pa & Michelin North America, Inc

20080136293 - Multilayer piezoelectric element: A multilayer piezoelectric element has a laminate body in which a plurality of piezoelectric bodies and a plurality of internal electrodes are alternately laminated and sintered. The plurality of internal electrodes comprise a first electrode and a second electrode. The laminate body is provided with a metal oxide layer formed... Agent: Oliff & Berridge, Plc

20080129125 - Flux-reversal linear motor: A linear motor comprising a primary element provided with at least one primary tooth around which a respective winding is arranged that is adapted to conduct a variable electric current, comprising a toothed secondary element that faces the primary teeth, the toothed secondary element comprising a plurality of secondary teeth... Agent: K.f. Ross P.c.

20080129126 - Vibration wave linear motor: In a vibration wave linear motor, a coupled driving contacting parts are respectively provided on the top and the bottom of a vibrator unit, and 2 upper and lower guide shafts which contact concave parts of the coupled driving contacting parts are supported by erecting parts of a supporting part.... Agent: Scully Scott Murphy & Presser, Pc

20080129127 - Method of sealing a generator stator bar and a stator bar end fitting: A method of sealing a generator stator bar and a stator bar end fitting receiving the end including the steps of: brazing the fitting to the end of the stator bar with a braze material; applying a metallic barrier coating material to the end of the stator bar in the... Agent: Nixon & Vanderhye P.c.

20080129128 - Coil assembly for use with an electric motor: Coil assemblies (2) of electric motors (1) produce heat that can be a disadvantage when needing the electric motor (1) for high precision positioning applications. To reduce the negative impact of the heat, the coils (26a, 26b, 26c) are arranged in an internally cooled housing (21). The housing (21) has... Agent: Philips Intellectual Property & Standards

20080129129 - Permanent magnet electrical rotating machine, wind power generating system, and a method of magnetizing a permanent magnet: a cooling airflow channel is formed between each pair of adjacent opposite poles on the rotor iron core; and the cooling airflow channel has an approximately trapezoidal shape on an outer periphery side of the rotor iron core; and extends from an end on a central side in a radial... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080129157 - Electric generating coil assembly and electric generator hub: An electric generating coil assembly is provided for an electric generating mechanism of an electric generator hub. The electric generating coil assembly has a wire coil part and a wire connecting part. The wire coil part has a coiled section made of an aluminum wire material. The wire connecting part... Agent: Global Ip Counselors, LLP

20080129130 - Flat vibration motor: A flat vibration motor is provided. The flat vibration motor includes a rotor portion, a stator portion, a fixing mount, a pair of terminals, and a base portion. The rotor portion generates vibrating force when rotating. The stator portion houses and couples with the rotor portion to allow the rotor... Agent: Saliwanchik Lloyd & Saliwanchik A Professional Association

20080129132 - Hermetic compressor: A hermetic compressor for achieving a more rapid connection between a stator coil of a drive motor and a power. In the hermetic compressor including at least one stator coil wound on a core of a stator of a drive motor and at least one power line used to apply... Agent: Charles N.j. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.l.p.

20080129131 - Motor: The motor including a stator having a stator core, and an insulator provided to the stator core for winding a coil thereon, a rotor rotatably provided with respect to the stator, and a tap terminal provided to the insulator for positioning an end of the coil, wherein the coil includes... Agent: Mckenna Long & Aldridge LLP

20080129133 - Electric actuator: The present invention relates to a device functioning as an electric motor or actuator (100, 100′) comprising: a housing (110) encapsulating a rotating member (120, 120′), one or several arrangements (130, 130′) for generating a magnetic field due to electrical current, a displaceable shaft (140, 140′) at least partly having... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080129134 - High speed aerospace generator resilient mount: Centering rings may be used to modify the combined resonance of a rotor and its support assembly to migrate the rotor critical speeds such that they can be engineered out of the rotor operating speed range. The centering rings of the present invention may be useful for any rotating electrical... Agent: Honeywell International Inc.

20080129136 - Axial gap type motor: An axial gap type motor according to the present invention includes: a rotor; and a pair of stators which are arranged to face each other and hold the rotor from both sides thereof along a rotation axis. The rotor includes: electromagnets which are provided on the rotor as main magnets,... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080129135 - Motor structure: A motor structure including a revolving shaft, internal stators, middle rotors, and external stators is provided. The revolving shaft is an axle center, and the internal stators, middle rotors, and external stators are arranged in an outward radial direction. The middle rotors are circularly disposed with magnetic segments, and the... Agent: Rabin & Berdo, Pc

20080129137 - Motor winding: The present invention is an electrical rotating apparatus comprising stator coils wound around the inside and outside of the stator. In a further embodiment, the machine contains a high number of phases, greater than three. In a further embodiment, the phases are connected in a mesh connection. In a further... Agent: Borealis Technical Limited

20080129138 - High mechanical strength electrical connection system and method: In accordance with one embodiment, the present technique provides a bushing that is configured to electrically and mechanically couple a conductor bar of a rotor assembly to an end ring of the rotor assembly. The exemplary bushing has an interior surface that is configured to abut against the conductor bar... Agent: Thompson Coburn, LLP

20080129139 - Spindle motor: In a spindle motor in which teeth portions of a stator core formed by laminating magnetic plates are bent in order to increase the number of turns of the stator windings, a gap in the teeth portions between the magnetic plates is avoided and a precise attractive force adjustment becomes... Agent: Wenderoth, Lind & Ponack L.l.p.

20080129140 - Stator assembly for an electric machine and method of manufacturing the same: A stator for a multi-phase electric machine having a plurality of core segments interconnected with one another and a plurality of coils. At least one core segment includes a plurality of teeth and a back portion that at least partially interconnects the teeth. The back portion of each segment has... Agent: Michael Best & Friedrich LLP

20080129141 - Laminated core structure of motor: The laminated core structure of a motor includes a stator iron core formed by laminating a plurality of stator iron core thin sheets in which a plurality of magnetic poles are provided at fixed intervals along the circumferential direction on the inner peripheral side so as to project toward the... Agent: Alston & Bird LLP

20080129142 - Segmented stator with improved handling and winding characteristics: A stator assembly has discrete stacks of laminations. A plurality of nonmagnetic containment structures define pockets. The stacks are at least partially received in the pockets and coupled to one another by the containment structure. The containment structures are moveable between a first configuration in which the stacks are separate... Agent: Senniger Powers LLP

20080129143 - Trimming element and sensor on a single chip: An integrated circuit chip has a substrate, an acoustic wave sensor, and a trimming element. The acoustic wave sensor is formed on the substrate, the trimming element is formed on the substrate, and the trimming element is coupled to the acoustic wave sensor so as to trim the acoustic wave... Agent: Honeywell International Inc.

20080129144 - Radio frequency surface acoustic wave proximity detector: A proximity sensor for determining a position of an object. The proximity sensor includes a SAW device having a load end and an input end for receiving an input pulse. A sensing section connects to the load end of the SAW device. When the object is in a first position,... Agent: Edwards Angell Palmer & Dodge LLP (all Goodrich Entities)

20080129146 - Megasonic apparatus, circuitry, signals and methods for cleaning and/or processing: The invention utilizes multiple frequency megasonic generators driving multiple frequency harmonic transducers. Generator signals that increase cavitation efficiency and that have successive time periods with predominantly stable cavitation and predominantly transient cavitation further improve the performance of the cleaning, microbiological inactivation, sonochemistry or processing systems. Probes that monitor the megasonics... Agent: Phillips Lytle LLP Intellectual Property Group

20080129145 - Piezoelectric actuator and method for searching optimal driving frequency using the same: Provided is a piezoelectric actuator for driving a piezoelectric unit having two resonance points. The piezoelectric unit includes an optimal driving frequency calculating unit that adds a delta frequency, having a constant frequency difference from a first resonant frequency of the piezoelectric unit, to a characteristic resonant frequency obtained by... Agent: Lowe Hauptman Ham & Berner, LLP

20080129148 - Component measuring device: An object of the present invention is to perform measuring work easily when detecting the presence or absence of an object to be measured or the concentration thereof using a plurality of quartz sensors equipped with a Langevin type quartz resonator. As a concrete means for solving the problem, a... Agent: Jordan And Hamburg LLP

20080129147 - Energy harvester with adjustable resonant frequency: The present subject matter discloses devices, systems, and methodologies for harvesting power from environmentally induced vibrations. Piezoelectric devices (24) and structures are disclosed that may be employed in combination with electro-magnetic (100) or capacitive (92, 94) elements to enhance the power harvesting capabilities of the piezoelectric devices (24). The electromagnetic... Agent: Dority & Manning, Pa & Michelin North America, Inc

20080129149 - Piezoelectric vibrator and method of fabricating piezoelectric vibrator, and oscillator, electronic apparatus, and radio wave timepiece having piezoelectric vibrator: To achieve small-sized formation of a piezoelectric vibrator while preventing exciting electrodes provided at both faces of the piezoelectric vibrating piece from being shortcircuited to each other and enabling to fabricate the piezoelectric vibrating piece easily, there is provided a piezoelectric vibrator 1 including a case 3 in a shape... Agent: Brinks Hofer Gilson & Lione

20080129150 - High temperature sustainable piezoelectric sensors using etched or micromachined piezoelectric films: The present invention is directed to sensors that use wide band gap piezoelectric films such as aluminum nitride and zinc oxide. The films can be deposited with chemical and physical methods and etched or micro machined into miniature and micro sensing elements. Various piezoelectric sensing structures such as compression mode... Agent: Heller Ehrman LLP

20080129151 - Piezoelectric generators for munitions fuzing and the like: A method for generating power from acceleration of a device is provided. The method including: applying a force to a piezoelectric member due to the acceleration; and sustaining a strain in the piezoelectric member resulting from the applied force so as to increase a time of power output from the... Agent: Thomas Spinelli

20080129152 - Cable direct interconnection (cdi) method for phased array transducers: A solderless, direct cable interconnect for an array transducer and method for the fabrication thereof. An ultrasonic array transducer includes an acoustic backing layer, a piezoelectric layer containing an array of piezoelectric elements (typically created from a solid layer of piezoelectric material disposed over a matching layer cut with a... Agent: Ostrolenk Faber Gerb & Soffen, LLP (olympus Ndt)

20080129153 - Inertial energy scavenger: The present invention provides an inertial energy scavenger that includes at least one piezoelectric element held by a housing, a proof mass that is movable within the housing in a direction parallel to the piezoelectric element, and a mechanical assembly disposed between the proof mass and the piezoelectric element. The... Agent: Lumen Patent Firm, Inc.

20080129154 - Piezoelectric ceramic composition and laminated piezoelectric element: e

20080129155 - Piezoelectric ceramic composition and laminated piezoelectric element:

20080129156 - Honeycomb-type piezoelectric/electrostrictive element: A honeycomb-type piezoelectric/electrostrictive element includes a honeycomb structure section having a partition wall which partitions cells passing through the honeycomb structure section in an axial direction, and an electrode as an internal electrode disposed on an inner wall surface of the cell to internally cover the entire inner wall surface,... Agent: Burr & Brown