Electrical generator or motor structure inventions 11/07

20070273220 - Apparatus for controller-integrated motor: A controller-integrated motor includes a motor main body and a controller integrated with the motor main body to control the motor main body, the motor main body, including a stator core, a shaft which rotates to exert driving force on the motor main body, a frame which holds the stator... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070273221 - Brushless motor: A plurality of coils wound around a stator magnetic-pole core are connected together and connected to output wires by use of a bus bar. The bus bar having a generally cylindrical body portion is disposed at one axial end of the stator magnetic-pole core, around which the coils are wound... Agent: Mcglew & Tuttle, PC

20070273222 - Heat conductor for pump system: A thermal conductor for a heat-generating liquid pump system of a pool containing liquid and including a pipe. The conductor is adapted for conducting heat from the pump system to liquid circulated by the pump system. The conductor includes a body in thermal communication with a heat generating portion of... Agent: Senniger Powers

20070273223 - Power capacitors mounted diametrically on electric motors: Alternating current motors used to drive wheels of hybrid or fuel cell vehicles have capacitors which are mounted diametrically on the motors, i.e., mounted around the diameter of the motors. The capacitors may be annular or arcuate in shape. By so configuring the power capacitors, axial space adjacent to the... Agent: General Motors Corporation Legal Staff

20070273227 - Fan and inner-rotor type motor thereof: A fan includes an inner-rotor type motor and an impeller. The inner-rotor type motor includes a housing, a stator structure, a rotor structure and a driving device. The stator structure has a magnetically conducting element. The rotor structure includes a shaft and a magnetic element. The shaft passes through the... Agent: Birch Stewart Kolasch & Birch

20070273228 - Electric motor: An electric motor includes a rotor shaft arranged in a casing and having an axial hollow bore formed therethrough for passage of lubricating oil, a rotor, a stator, a pair of bearings each having an inner race and an outer race, a pair of bearing fixing parts supporting the rotation... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070273229 - Fan, motor and bearing structure thereof: A bearing structure, which is cooperated with a shaft, includes a housing, a bearing, an elastic element and a blocking element. The shaft passes through the bearing. The elastic element presses against the bearing to provide a pre-stress to the bearing. The blocking element is apart from the bearing by... Agent: Birch Stewart Kolasch & Birch

20070273230 - Devices and systems for cooling insulated, strip-laminated structures by convection: A device and system for removing heat from a magnetic device such as an electromagnet core section of a magnetic bearing internally by convection. The device includes a ribbon-type conductor portion and an insulator portion that are spirally and. coaxially arranged on a coil. The insulating portion includes window portions... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20070273217 - Magnetic drive device: The present invention relates to a magnetic drive apparatus that reduces energy consumption due to a copper loss such as that generated by excitation coils and reduces power consumption. The drive apparatus switches the magnetic poles at magnetic pole ends by controlling the flow of a magnetic flux from a... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070273218 - Electric machine improvement: An electric machine which includes a magnetically inducible core (60), at least three elongated first, second and third current carrying conductors (64-66) passing through a respective aperture (68) through the core, a first end (15, 69) of the first conductor and a first end of the second conductor are electrically... Agent: Osha Liang L.L.P.

20070273219 - Magnetic bearing apparatus: In order to obtain a magnetic bearing apparatus in which a large cooling effect is exerted by a simple configuration, fins 15 which form an air flow in a rearward direction are disposed in a rear portion and outer diameter of a rotary shaft 1, a generator 16 which converts... Agent: Sughrue Mion, PLLC

20070273224 - Vibration motor and oilless bearing: An oilless bearing and a vibration motor having the oilless bearing are disclosed. The vibration motor that includes a housing having an internal space, an oilless bearing which is inserted and secured in the housing, and a shaft of which one end is at least partially inserted into the oilless... Agent: Staas & Halsey LLP

20070273225 - Electric motors for powering downhole tools: An electric motor, for powering downhole tools, comprises a stator and a rotor connectable to a rotatable device, a permanent magnet and a series of coiled windings or laminations having a connection to a DC supply, the permanent magnet and the laminations being arranged annularly with respect to each other,... Agent: K.f. Ross P.C.

20070273226 - Rotor block: The invention relates to a rotor block (1) comprising a housing (2) with at least one connection surface (3A) that absorbs the load and pivot bearing seats (4) for plain and/or anti-friction bearings (5) that are designed to support a rotor (6). To dismount the rotor (6) from the housing... Agent: Van Dyke, Gardner, Linn & Burkhart, LLP

20070273231 - Magnetic belt and roller system: A roller system comprising a pulley having a permanent magnet sandwiched in between a pair of temporarily magnetic disks with the magnetism of the disks induced by the permanent magnet. For example, each temporarily magnetic disk comprises steel. Each pole of the permanent magnet is disposed adjacent to a pole... Agent: Schneck & Schneck

20070273232 - Rotor hub and assembly for a permanent magnet power electric machine: A rotor assembly for use in an electric motor or generator where the mass of the rotor assembly is reduced with respect to conventional rotor assemblies. In addition, the rotor assembly is configured to be scalable to different sized electric motors. Within the rotor assembly, the rotor hub, the shaft,... Agent: Siemens Corporation Intellectual Property Department

20070273233 - Axial gap alternator associated with a flywheel: An axial gap alternator comprises a first carrier associated with or secured to an output shaft of an internal combustion engine. A first carrier carries a first set of magnets arranged radially about a rotational axis. A second carrier carries a second set of magnets arranged radially and spaced apart... Agent: Deere & Company

20070273235 - Electric motor: This electric motor includes first permanent magnets secured integrally to an outer periphery side rotor and second permanent magnets secured integrally to an inner periphery side rotor. The first permanent magnets and the second permanent magnets are arranged so as to offset the relative torque produced between the outer periphery... Agent: Arent Fox LLP

20070273234 - Cogging reduction in permanent magnet machines: A permanent magnet motor having a rotor and a stator and configured such that when the leading edge of each pole of the rotor aligns with a stator tooth the trailing edge of that pole is generally not aligned with a stator tooth.... Agent: Thompson Coburn, LLP

20070273236 - Electrical machine with part-winding circuit: An electrical machine includes a first part-winding, a second part-winding, a core having slots in which the first and the second part-windings are wound, and a switching device for connecting the first part-winding to the second part-winding. In each of the slots, one of the two part-windings forms a bottom... Agent: Henry M Feiereisen, LLC

20070273237 - Alternator having stator wound with wiring: An alternator has a rotor and a stator. The stator has a cylindrical armature core wound with an armature wiring. The core has slots disposed along a circumferential direction of the core so as to surround the rotor. Each slot extends in an axial direction of the core and has... Agent: Oliff & Berridge, PLC

20070273238 - Brushless motor: A cutout portion is formed at an outer peripheral side of a stator placing portion provided in a bearing bush for placing a core back portion of a stator. A connecting wire portion of a coil of the stator is inserted through a gap formed between the cut-out portion and... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070273239 - Electric motor and electric compressor: A housing of an electric motor includes an inner circumferential surface, which includes recesses arranged along the circumferential direction. On an outer circumferential surface of a stator core of a stator are provided protrusions arranged along the circumferential direction. Fitting each protrusion to the corresponding recess fixes the stator core... Agent: Morgan & Finnegan, L.L.P.

20070273240 - System for and method of rotating wheels in rotary air-to-air energy recovery and desiccant dehumidification systems: A system for and method of rotating a transfer wheel providing heat and/or moisture exchange between two counter-flowing air streams. The system comprises: a frame; a transfer wheel including a transfer matrix mounted and rotationally secured relative to the frame so that the wheel can rotate through the two counter-flowing... Agent: Mcdermott Will & Emery LLP

20070273241 - Brushless motor and electric power steering system: A brushless motor including a rotor which has ten permanent magnets each containing rare earth neodymium and provided around a rotor yoke and an outside diameter of 45 mm to 55 mm, and a stator which has a stator core having twelve slots and an outside diameter of 75 mm... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070273243 - Automotive alternator having improved structure for effectively cooling field coil: According to the present invention, an alternator includes a rotor, a stator, and at least one cooling fan. The rotor includes a rotary shaft, a field core, and a field coil. The field coil has first and second ends that are opposite to each other in an axial direction of... Agent: Oliff & Berridge, PLC

20070273242 - Tandem ac generator for vehicle: In a tandem AC generator for a vehicle having dual armature core-Lundel type field core pairs placed in series, an intermediate ring as a cylindrical spacer is placed between the dual armature cores. One armature core, the intermediate ring, and the other armature core are pressed and tightly fastened to... Agent: Oliff & Berridge, PLC

20070273244 - High efficiency radio isotope energy converters using both charge and kinetic energy of emitted particles: An electrical energy generator with improved efficiency has a base on which is mounted an elastically deformable micromechanical element that has a section that is free to be displaced toward the base. An absorber of radioactively emitted particles is formed on the base or the displaceable section of the deformable... Agent: Jones, Tullar & Cooper, P.C.

20070273245 - System and method for operating a piezoelectric fuel injector: A method of operating a fuel injector including a piezoelectric actuator having a stack of piezoelectric elements, comprises applying a discharge current (IDISCHARGE) to the actuator for a discharge period so to discharge the stack from a first differential voltage level across the stack to a second, lower differential voltage... Agent: Delphi Technologies, Inc.

20070273247 - Controller for a fuel injector and a method of operating a fuel injector: A controller for controlling the operation of a fuel injector having a piezoelectric actuator which is operable by the application of a voltage drive profile across the actuator, the controller comprising inputs for receiving data relating to one or more engine parameters and a processor for determining a voltage drive... Agent: Delphi Technologies, Inc.

20070273246 - Method of operating a fuel injector: A method of operating a fuel injector having a piezoelectric actuator operable by applying a drive pulse thereto, wherein the drive pulse has a frequency domain signature. The method includes i) determining at least one resonant frequency of an injector installation in which the injector is received, in use, and... Agent: Delphi Technologies, Inc.

20070273248 - Motion amplification using piezoelectric element: A motion amplifier (22) comprises piezoelectric diaphragm (30) and drive electronics (26) for applying a drive signal to the piezoelectric diaphragm. The motion amplifier preferably comprises (in addition to the piezoelectric diaphragm) a reaction mass (34) connected to the piezoelectric diaphragm; a reacted mass (40) connected to the piezoelectric diaphragm;... Agent: Nixon & Vanderhye, PC

20070273249 - Sonic or ultrasonic transducer: A sonic or ultrasonic transducer, which is embodied as a radial oscillator. So that the sonic or ultrasonic transducer can be used at high temperatures, a matching layer is located between the radial oscillator and the atmosphere into which the ultrasonic signals are transmitted The matching layer is made from... Agent: Bacon & Thomas, PLLC

20070273250 - Piezoelectric device: A piezoelectric device includes: a package including a first recessed part provided on a first surface of the package, a second recessed part provided on a second surface of the package, and a penetrating part passing partially from the first recessed part through the second recessed part; a piezoelectric element... Agent: Oliff & Berridge, PLC

20070273251 - Multi-layer piezoelectric element: A multi-layer piezoelectric element having excellent durability in which the amount of displacement does not change even after subjecting to continuous operation over a long period of time under a high voltage and a high pressure is provided. The multi-layer piezoelectric element comprises a stack formed by stacking piezoelectric layers... Agent: Hogan & Hartson L.L.P.

20070267920 - Driving apparatus, exposure apparatus, and device manufacturing method: A driving apparatus which comprises a stator and two movable elements. The stator includes a first area and a second area. The movable elements can move on the stator. The movable elements include magnets, while the stator includes a coil unit. The coil unit includes a driving coil which independently... Agent: Fitzpatrick Cella Harper & Scinto

20070267921 - Energy producing apparatus utilizing magnetic pistons: An energy producing apparatus utilizing magnetic pistons is provided. Permanent magnets of like polarity are employed within a cylinder of each piston and upon a top portion of said piston. The like polarity pistons have a natural desire to repel one another. A ferromagnetic slipper unit is inserted into a... Agent: Larson And Larson

20070267924 - Vibration damping rotor assembly for rotating machinery: A rotor for a motor having a rotor core length includes a shaft including a cylindrical portion and a shaft sleeve having a cylindrical opening. The shaft sleeve is coupled to the shaft such that the cylindrical opening and the cylindrical portion define an interference fit. A rotor sleeve extends... Agent: Michael Best & Friedrich LLP

20070267925 - Fault monitoring of electric machines: A method and apparatus for monitoring an electric machine system, the system having at least two machines or machine channels independently cooled by separate flows of a coolant fluid, the method including comparing coolant properties of the machines to detect a condition(s) of interest in one or more of the... Agent: Ogilvy Renault LLP (pwc)

20070267928 - Electric fan with bearing: An electric fan includes a fan base (10), a bearing (40) and a rotor assembly (20). The fan base forms a central tube (11) receiving the bearing therein. The rotor assembly includes a fan hub (22), and a pivot axle (23) joined to the fan hub. The pivot axle pivotably... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070267922 - Actuator: The present invention provides the actuator, which is capable of increasing a moving range of a movable element in which a specified output force can be gained by reducing variation of a thrust force caused by stroke amount. Either of peripheral surfaces (P1, P2) of a plunger (7), on which... Agent: Birch Stewart Kolasch & Birch

20070267923 - Electric motor and transmission drive unit for actuators in a motor vehicle: Electromotor for regulating (positioning) drives in the motor vehicle with an armature spindle which is mounted in a pole housing, which has a shell and at least on one front side a bearing cover to accommodate a bearing for the armature spindle is thereby characterized in that a radial molding... Agent: Merchant & Gould PC

20070267926 - Mechatronic integration of motor drive and e-machine, especially smart-e-motor: The power switches of an inverter are mechanically integrated with an electric motor of a vehicle and are mounted on the end plate of the motor and employ short connections between the motor a-c terminals and the inverter a-c output terminals. Bond wireless modules are employed. The electronic controls for... Agent: Ostrolenk Faber Gerb & Soffen

20070267927 - Balancing structure for motor: A motor includes a fixed portion, a rotor, a balancing plate, and at least one sensor mounted on the fixed portion. The fixed portion includes a stator having at least one winding and a plurality of pole faces. The rotor includes an annular magnet facing the pole faces of the... Agent: Bacon & Thomas, PLLC

20070267929 - Stator arrangement and rotor arrangement for a transverse flux machine: The invention provides a stator arrangement as well as a rotor arrangement for a transverse flux machine. The stator arrangement comprises an annular stator back yoke having a number of stator poles that are designed in the manner of claw poles. The stator winding is located between the stator back... Agent: Mark C. Comtois Duane Morris LLP

20070267930 - Traction drive for elevator: A traction drive for an elevator comprises a sheave for actuating a transmission device of the elevator and a synchronous motor, the synchronous motor comprising a stator with at least one winding for generating a magnetic field rotating around a motor axis and a rotor comprising at least one permanent... Agent: Fraser Clemens Martin & Miller LLC

20070267931 - Magnetic control circuit separation slit: The electric alternator/motor comprises a stator having at least two non-overlapping sectors. A cross-talk reduction feature, such as a peripheral slit, is provided between each sector of the stator for impeding magnetic flux crossing between the sectors.... Agent: Ogilvy Renault LLP (pwc)

20070267932 - Stator for inner rotor type rotating electric machine: A stator for an inner rotor type rotating electric machine including: an annular armature core comprised of a plurality of arcuate segmented cores circumferentially arranged; a bobbin assembly comprised of a plurality of arcuate segmented bobbins arranged circumferentially of the armature core to cover the armature core; and a coil... Agent: Pearne & Gordon LLP

20070267933 - Laminations for electric motors and a method of manufacturing the same: The present invention relates to a stackable lamination for rotors of electric motors having inclined or helical slots, and a method for manufacturing the lamination. The lamination comprises at least one boss projecting from a face thereof for coupling with a second lamination in the same pack. The two coupled... Agent: Hess Patent Law Firm, P.C.

20070267934 - Miniature brushless motor structure: Disclosed herein is a reliable inner rotor type miniature brushless motor structure wherein, while a field coil is fixedly disposed onto the inner wall of a housing, an end flange is fixedly disposed into one end of the housing from where tap wires of the field coil are drawn out,... Agent: Nixon Peabody

20070267935 - Alternator rotor coil wire routing: Disclosed herein is a rotor assembly for an electric machine. The rotor assembly includes a shaft, at least one slip ring, a field coil, a first pole segment, and a wire retainer. The at least one slip ring is attached to the shaft. The field coil surrounds the shaft such... Agent: Cantor Colburn, LLP

20070267937 - Dynamoelectric rotor: A field coil is housed inside a coil housing space of a pole core, and an annular body that is made of an insulating resin is fixed to a portion of a shaft that projects outward at a first end of the pole core. A pair of slip rings are... Agent: Sughrue Mion, PLLC

20070267938 - Dynamoelectric rotor: Each of first and second pole cores has a boss portion, six core flange portions; and six claw-shaped magnetic pole portions, the first and second pole cores being disposed such that the claw-shaped magnetic pole portions face each other so as to intermesh and leading end surfaces of the boss... Agent: Sughrue Mion, PLLC

20070267936 - Electric machine rotor pole piece with anti coil rotation: The apparatus disclosed herein relates to a pole piece for an electric machine comprising, a pole piece with a finger support structure, a plurality of fingers having an axial component of extension relative to the finger support structure, a coil contact surface and at least one of a protrusion or... Agent: Cantor Colburn, LLP

20070267939 - Systems and methods for improved control of micro-electrical-mechanical system (mems) electrostatic actuator: Methods and apparatuses for sensing and adjusting lateral motion in a comb drive actuated MEMS device are provided. If lateral motion is sensed by a lateral motion sensor coupled to the comb drive actuated MEMS device, and the lateral motion is greater than a reference value, a feedback controller adjusts... Agent: Fulbright & Jaworski L.L.P.

20070267940 - Compressor and compression using motion amplification: A compressor system (20, 20′, 20″) comprises a motion amplifier (22) which acts through a compressor head or piston (46) to compress fluid in a variable compression chamber (52). The motion amplifier (22) comprises a piezoelectric diaphragm (30) and drive electronics (26) for applying a drive signal to the piezoelectric... Agent: Nixon & Vanderhye, PC

20070267941 - Holder for a sensor: The present disclosure relates to a holder for a sensor, particularly an ultrasound sensor for a parking assist system, including a sleeve-shaped body, into which the sensor can be inserted via an insertion opening, and which a fastening section for fastening the holder to a vehicle part. A cage is... Agent: Brinks Hofer Gilson & Lione

20070267942 - Piezoelectric film resonator, radio-frequency filter using them, and radio-frequency module using them: A piezoelectric film resonator for a radio-frequency circuit according to an aspect of the present invention includes a substrate and a multilayer film provided on the substrate. The multilayer film has a stacked structure in which at least two piezoelectric layers and at least three electrode layers disposed with each... Agent: Miles & Stockbridge PC

20070267943 - Piezo actuator and associated production method: The invention relates to a support assembly for a piezoelectric actuator (15), in particular for a piezoelectric actuator for driving an injector for the injection system of an internal combustion engine. Said assembly comprises a holder (5-10) for spatially securing a piezoelectric stack (2) and two associated connection pins (11,... Agent: Baker Botts L.L.P. Patent Department

20070267944 - Method and transducers for dynamic testing of structures and materials: A transducer for dynamic testing of specimen is disclosed. The transducer comprises at least two equally-spaced actuators, and a supporting block for supporting the at least two equally-spaced actuators and for mounting the transducer to the specimen. Each of the at least two equally-spaced actuators is an electrically powerable for... Agent: Stephen M. De Klerk Blakely, Sokoloff, Taylor & Zafman LLP

20070267945 - Ultrasound transducer and method for implementing high aspect ration bumps for flip-chip two dimensional arrays: An ultrasound transducer (100) comprises an integrated circuit (52) and an array of acoustic elements (92,94,96) coupled to the integrated circuit via flip chip bumps (76,78). The flip chip bumps comprise high aspect ratio bumps having an aspect ratio greater than 1:1. The aspect ratio comprises a ratio of a... Agent: Philips Intellectual Property & Standards

20070267946 - Device for converting mechanical energy into electrical energy: A device for converting mechanical energy into useful electrical energy has a first component, a second component that is mechanically linked to the first component, and a mechanical-electrical energy converter. The second component is linked to the first component by way of a movement-damping device in such a way that... Agent: Lerner Greenberg Stemer LLP

20070267947 - Piezoelectric single crystal and piezoelectric single-crystal device and method for manufacturing the same: An inexpensive piezoelectric single-crystal device being excellent in the piezoelectric characteristics and having a complex perovskite structure can be provided by adding a specific additive to a lead magnesium niobate-lead titanate (PMN-PT) single crystal or a lead zinc niobate-lead titanate (PZN-PT or PZNT) single crystal. Specifically, the piezoelectric single crystal... Agent: Oliff & Berridge, PLC

20070267948 - Piezoelectric ceramic material multi-layered component and method for the production of a ceramic material: Piezoelectric Ceramic Material, Multilayer Component, and Method for Producing Said Ceramic Material The invention relates to a piezoelectric ceramic material having the general composition ABO3 with at least a proportion of the PZT ceramic having a composition of the invention with Cu cations. The proportion of Zr and Ti cations... Agent: Fish & Richardson PC

20070262659 - Electric motor: An electric motor includes an annular stator core having a pair of ends opposed to each other in an axial direction, and a coil wound around the stator core. The stator core includes a pair of powder magnetic cores each arranged at the pair of ends and a laminated steel... Agent: Rabin & Berdo, PC

20070262680 - Alternator: An automotive alternator includes: a case; a shaft; a rotor that is fixed to the shaft; a stator that is fixed to an inner wall surface of the case; and a rectifier apparatus that is disposed inside the case and that is electrically connected to a stator coil of the... Agent: Sughrue Mion, PLLC

20070262664 - Stator for an electrical machine: A stator for an electrical machine includes a ring-shaped stator yoke with a number of stator coils arranged thereon. The conductor ends of the coils are designed to be connected to a wiring arrangement, where the wiring arrangement has linking conductors, which are arranged concentrically to each other, are insulated... Agent: Cohen, Pontani, Lieberman & Pavane

20070262657 - Yoke and manufacturing method thereof: A yoke, as embodied, includes a base having a center vent; at least a pair of inner yoke portions respectively located at both end edges of the center vent and protruding from the base to face each other, each of the inner yoke portions having a support protrusion, the support... Agent: Birch Stewart Kolasch & Birch

20070262658 - Magnetic shield in the end area of the stator of a three-phase generator: A shield (2) for components on the stator (10) of a three-phase generator (1), with at least one pressure plate (3) or the like being arranged at the end on the stator core (6), is distinguished in that the shield (2) is composed essentially of a magnetically permeable composite material... Agent: Cermak Kenealy & Vaidya LLP

20070262660 - Stepping motor: A stepping motor may include a rotor and a stator assembly. The stator assembly may include a first coil, a second coil, a first stator core and a second stator core. Each of the stator may include an end plate part for forming a rotor insertion hole and a plurality... Agent: Cantor Colburn, LLP

20070262661 - Miniature bipolar single-phase generator: The present invention provides a miniature bipolar single-phase generator composed of a rotor (1) and a stator (2), with two sets of damping windings arranged on the core of the rotor (1). Each of the two sets of damping windings is composed of damping strips (3) and a damping board... Agent: Connolly Bove Lodge & Hutz, LLP

20070262662 - Cooled conductor coil for an electric machine and method: The invention includes an electric machine having a rotor, a stator and at least one electrical coil disposed in the machine and a source of coolant fluid in communication with the coil. The coil has concentric turns having spaces therebetween adapted to channel coolant flow between the concentric turns.... Agent: Ogilvy Renault LLP (pwc)

20070262663 - Driving device, motor vehicle vent and method for obtaining an equipotential line in the driving device: A driving device includes an electric motor having a yoke and a shaft. The driving device also includes a control board connected to ground and a conductive seal connecting the control board and the electric motor. The yoke is connected to ground via the conductive seal.... Agent: Carlson, Gaskey & Olds, P.C.

20070262665 - Apparatus for power transmission by magnetic force and method thereof: An apparatus and a method for transmitting power using magnetic force. The apparatus comprises a driving rotary element rotated by a driving motor; and at least one driven rotary element brought into contact with the driving rotary element by an attractive force and rotated in an opposite direction relative to... Agent: Black Lowe & Graham, PLLC

20070262666 - Power generating systems: A power generating system includes a torque converter system receiving a rotational motion having a first torque from a source and producing a rotational output having a second torque different from the first torque, a transfer system having a first portion coupled to the rotational output of the torque converter... Agent: Morgan Lewis & Bockius LLP

20070262668 - Magnetic bearings, armatures for magnetic bearings, and methods for assembling the same: Disclosed herein are magnetic bearings, armatures for magnetic bearings, and methods for their production. In one embodiment, an armature is disclosed. The armature comprises a stack, having a first end and a second end, of insulating layers and coated plates disposed adjacent one another. A first compression collar is disposed... Agent: General Electric Company Global Research

20070262669 - Motor and magnetic bearing assembly thereof: A motor includes a stator, a rotor, and a plurality of blades. The stator includes a stator base with an opening, a first magnetic structure disposed at a bottom of the opening, a magnetic pole disposed on the stator base, and a second magnetic structure disposed at a top of... Agent: Birch Stewart Kolasch & Birch

20070262667 - Pneumatic powered electro-magnetic field generating device: An improved electro-magnetic field generating device, or field generator, which employs a high speed rotor, powered by compressed air, to generate a localized electro-magnetic field of high intensity. The field generator includes a hub that spins about a hub axis, and a charging ring that mounts to the hub that... Agent: Liebler, Ivey, Connor & Berry & St. Hilaire The Edison Professional Building

20070262670 - 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: Mcdermott, Will & Emery

20070262671 - Multiple phase claw pole type motor: A claw pole type motor includes first and second claw poles opposed to each other and each including a radial yoke portion having an inner diameter side and an outer diameter side, a plurality of pole portions arranged on the inner diameter side, and axially extended, and an outer peripheral... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070262672 - Rotor for automotive alternator having improved magnet holder: According to the invention, there is provided a rotor for a rotating electrical machine which includes a rotary shaft, a pair of first and second pole cores fixed on the rotary shaft, a plurality of permanent magnets, and a magnet holder holding the permanent magnets. The magnet holder is made... Agent: Oliff & Berridge, PLC

20070262673 - Bell-armature coil: In at least one embodiment of the present invention a bell-armature coil for an electric motor is provided. The bell-armature coil comprises a hollow-cylindrical coil winding which forms a coil opening at one end and is wound from a winding wire. The bell-armature coil further comprises a coil former plate.... Agent: Brinks Hofer Gilson & Lione

20070262674 - Electric rotary machine: In an electric rotary machine, a stator, a metallic supporting member configured to support the stator, and a rotor are provided, the rotor is relatively rotatably supported with respect to the stator, a magnetic path is formed via a gap portion between the stator and the rotor to give a... Agent: Foley And Lardner LLP Suite 500

20070262675 - Adjustable cooling machinery for optical disc manufacturing: Adjustable cooling machinery for optical disc manufacturing is described. According to one exemplary embodiment, the adjustable cooling machine can be easily configured to allow two different diameters (e.g., 120 mm and 80 mm) of optical discs to be cooled in an optical disc manufacturing production facility. Specifically, the adjustable cooling... Agent: Silicon Valley Patent Agency

20070262676 - Apparatus to produce acoustic cavitation in a liquid insonification medium: An apparatus to produce acoustic cavitation by controlling cavitation events in a liquid insonification medium utilizing a waveform to excite a transducer with a series of bipolar inharmonic tone bursts having medium recovery intervals between respective bursts so that the medium repeatedly recovers from cavitation events between bursts. The apparatus... Agent: Lawrence Harbin Mcintyre Harbin & King LLP

20070262677 - High power-to-mass ratio actuator: A method for driving an actuator. The method includes applying an electrical potential across an electrostrictive material relative to a counterelectrode disposed within an electrolyte, thereby creating a double layer potential across a region of enhanced ionic concentration. A current flowing between the electorostrictive material and the counterelectrode is measured.... Agent: Bromberg & Sunstein LLP

20070262678 - Piezoelectric element, piezoelectric actuator, and ink jet recording head: A piezoelectric element having a piezoelectric film and one pair of electrodes being in contact with the piezoelectric film on a substrate, wherein the piezoelectric film has a structure in which a lead-containing piezoelectric film and a lead-free piezoelectric film are laminated, and in the piezoelectric film, a layer furthest... Agent: Fitzpatrick Cella Harper & Scinto

20070262679 - Stacked piezoelectric element, manufacturing method thereof and vibration wave driving apparatus: A stacked piezoelectric element comprising that can suppress periodic damping on miniaturization of a vibration wave motor and improve its performance. A stacked piezoelectric element comprises piezoelectric layers and electrode layers alternately stacked to have a shape of a cylinder. The electrode layers are divided into a plurality of electrode... Agent: Rossi, Kimms & Mcdowell LLP.

20070257564 - Sliding device with onboard moving-magnet linear motor: A sliding device with onboard moving-magnet linear motor is envisaged making the reciprocating stroke of a table longer, and enhancing the propulsion, high velocity and response of the table even with small in dimension, compact in construction and better in production efficiency. With the sliding device, a bed serves as... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20070257567 - Spindle motor: Embodiments of a profile motor are provided. A spindle motor can include a base in contact with a bearing housing, a bearing installed in the bearing housing, a rotational shaft rotatably supported by the bearing, a stator disposed around the bearing housing and having a coil, a rotor including a... Agent: Saliwanchik Lloyd & Saliwanchik A Professional Association

20070257574 - Spindle motor: The present invention provides a spindle motor. The spindle motor includes a frame provided with a tubular holder mounted to the center of the frame such that the holder is projected upwards, with a core mounted on the outer circumferential surface of the holder; a bearing fitted into the tubular... Agent: Staas & Halsey LLP

20070257573 - System concept for mills and classifiers with magnetic bearing spindle drives: A system for process-technological machines such as mills and classifiers having an enclosed design with no rotary unions between the ambient air and system interior. This system is particularly useful for CIP and SIP operation modes or glove-box operations. The mills or classifiers include an encapsulation that seals the components... Agent: Winston & Strawn LLP Patent Department

20070257563 - Heat dissipating arrangement for a linear motor: A heat dissipating arrangement for a linear motor comprises: a stator having a predetermined length for forming a travel length, and a mover. A plurality of magnets is arranged in pairs on two opposite internal sides of the stator. The mover includes an upper positioning seat, a lower positioning seat,... Agent: Banger Shia

20070257562 - Linear drive unit with an oscillating armature part and a spring: A drive unit contains an exciter winding, an magnetic armature part which is set into an oscillating vibration movement, by the magnetic field of the winding, about a center position in an axial direction and at least one spring which is clamped in a fixed manner in a clamping position... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20070257565 - Method and apparatus for making and using 1d and 2d magnetic actuators: A light beam scanner may include a polymeric material and a soft magnetic material.... Agent: Graybeal, Jackson, Haley LLP

20070257566 - Synchronous machine using the eleventh harmonic: A permanently-excited synchronous motor (1), comprises a stator (3) and a rotor (5), the stator (3) preferably comprising a three-phase alternating current winding and the rotor (5) permanent magnets. The stator (3) has 36 grooves (17) and 36 teeth (19), whereby only every other tooth (19) is wound with a... Agent: Henry M Feiereisen, LLC

20070257568 - Electric rotating machine: The invention provides an electric rotating machine comprising: an electric rotating machine section provided with a rotor including a rotary shaft and a stator including an armature winding that is disposed so as to surround the rotor; and a switching circuit section that is located in the proximity of the... Agent: Sughrue Mion, PLLC

20070257569 - Electric machine comprising an axial spring-loaded element: which is rotatably supported in a housing part (16) of a housing via a roller bearing (22, 20) An axial spring element (32) is located between the roller bearing (22, 20) and a rotor component (34) installed non-rotatably on the rotor shaft (12). The axial spring element (32) includes an... Agent: Striker Striker & Stenby

20070257571 - Cooling fan: A cooling fan includes a fan housing (30) having a central tube (34) extending upwardly thereof, a bearing (60) received in the central tube, a stator (20) mounted around the central tube, a rotor (10) including a hub (12) having a shaft (18) extending from the hub into the bearing,... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070257570 - Electric driving unit for a vehicle: An electric drive unit for a motor vehicle includes an electric motor having a stator that is fixed with respect to a stub axle and a rotor that is rotatably supported with respect to the stub axle. A gear system has its input connected to the rotor for torque transmission.... Agent: Venable LLP

20070257572 - Armature, rotating electric machine, dc motor, and brushless motor: An insulator is mounted in an armature core. Coils are wound around teeth of the armature core by way of concentrated winding. A power feeding member, which supplies a current to the coils, includes a connecting portion. A separating portion, which is provided in the insulator, is located in the... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20070257575 - Synchronous machine using the thirteenth harmonic: A permanently-excited synchronous machine (51), comprises a stator (53) and a rotor (55), the stator (53) preferably comprising a three-phase alternating current winding and the rotor (55) permanent magnets (57). The stator (53) has 21 grooves (1-21) and the rotor (55) four magnetic poles (39). The grooves of the stator... Agent: Henry M Feiereisen, LLC

20070257576 - Permanent magnet embedment rotating electric machine, motor for car air conditioner, and enclosed electric compressor: Outer circumference of a rotor is alternately provided with a plurality of circumferential portions and a plurality of convex portions. Straight lines each connecting a rotational axis to one of circumferential centers of circumferential portions are referred to as radial lines. Straight lines each bisecting one of convex portions are... Agent: Woodcock Washburn LLP

20070257577 - Electric machine and slip ring element for an electric machine: Disclosed is an electric machine comprising a stator (1, 1′) and a rotor (2) which is mounted in two bearing (3, 3′) so as to be rotatable about the longitudinal axis (4, 4′) thereof and is provided with a rotor winding (5, 5′). A slip ring element (7, 7′) encompassing... Agent: Katten Muchin Rosenman LLP

20070257578 - Energy producing magnetic converter: An energy producing magnetic converter is provided that outputs both electrical and mechanical energy. The converter includes a controller assembly rotatably secured between a plurality of field coil assemblies and a plurality of magnets. During a rotation of the controller assembly between the plurality of field coil assemblies and the... Agent: Mary J. Sims

20070257579 - Apparatus for ultrasonic vibration-assisted machining: Apparatus for ultrasonic vibration-assisted machining, the apparatus comprising an ultrasonic transducer for generating ultrasonic waves in a vibration horn; first clamp on the vibration horn at a static node of the ultrasonic waves; and a second clamp between the first clamp and a lowermost end of the vibration horn. The... Agent: Jacobson Holman PLLC

20070257580 - Polishing piezoelectric material: Devices having an actuator with polished piezoelectric material are described. Methods of forming a polished piezoelectric material include bonding a block of fired piezoelectric material onto a substrate and chemical mechanically polishing the block of fired piezoelectric material. The polished surface of the block of fired piezoelectric material can then... Agent: Fish & Richardson P.C.

20070257581 - Piezoelectric actuator and method of producing the same: A piezoelectric actuator includes a stacked piezoelectric device received in a cylindrical case having an extendable and contractible portion formed at least at an axial part thereof, and a housing provided with a pair of external electrodes for power supply and connected to an open end of the cylindrical case.... Agent: Nixon & Vanderhye, PC

20070257582 - Polymer actuator: A plane thin-type polymer actuator is provided with a conductive active member serving as a first electrode layer, and a second electrode layer, with at least a first electrolytic layer made in contact with the active member layer being sealed between the two electrode layers, so that by applying an... Agent: Wenderoth, Lind & Ponack L.L.P.

20070252449 - Winding applied single vacuum pressure impregnation insulation system, a winding applied global vacuum pressure impregnation insulation system and an electrical rotating machine having said insulation systems: The present invention is designed to provide an insulation coil with high insulation reliability using a dry mica tape, an integral impregnation coil and a mica tape for the electrical rotating machines using these coils, said mica tape having a long shelf life and capable of preventing run-off of the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070252486 - Motor and manufacturing method therefor: A motor may include a rotor shaft, a rotor provided with a rotor magnet, a stator, an output shaft part of the rotor shaft which may be protruded from an end portion on an output side of the stator, and a metal inertia ring which may be fixed to the... Agent: Cantor Colburn, LLP

20070252451 - Motor having heat-dissipating structure for circuit component and fan unit including the motor: A motor includes a rotor and a stator. The stator includes a circuit board on which a control circuit for controlling rotation of the rotor is formed. A circuit component of the control circuit is mounted on a surface of the circuit board facing a base portion. A heat conductive... Agent: Volentine & Whitt PLLC

20070252487 - Motor and pump having magnetic sensor, connecting method between circuit board having magnetic sensor and stator, and manufacturing method of motor and pump: A motor includes a sensor holder that is integral with an annular ring of an insulator of a stator. At least a portion of a Hall element is accommodated in the sensor holder. By virtue of such configuration, a position of the Hall element with respect to the stator will... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20070252488 - Vehicle alternator: A vehicle alternator is disclosed including a metallic frame supporting a stator having an armature winding and a rotor having a field winding. A rectifying unit is fixedly mounted on the frame for rectifying an alternating current voltage induced in the armature winding upon rotation of the rotor and comprises... Agent: Oliff & Berridge, PLC

20070252455 - Stator lead retainer: A stator lead retainer includes a stator lead retainer body having a plurality of through-holes extending longitudinally therethrough, each through-hole configured for receiving a stator lead. The stator lead body is constructed from an elastic material and is operable to accommodate stator leads of different cross-sectional shapes and diameters.... Agent: Clifford B. Perry

20070252456 - Stator lead retainer device: A stator lead retainer assembly includes a stator lead retainer body and a stator lead retainer clip. The stator lead retainer body includes at least one through-hole extending longitudinally therethrough, each through-hole configured to receive a stator lead. The stator lead retainer clip is attached to the retainer body, and... Agent: Clifford B. Perry

20070252444 - Canned linear motor armature and canned linear motor: In the canned linear motor armature, both the side surfaces of the armature winding (18) are fixed by two winding fixing frames (4) so as to sandwich the armature winding in between them in the longitudinal direction. A refrigerant passage (5) is provided in a space between the can (3)... Agent: Sughrue-265550

20070252445 - Linear motor, manufacturing method of the linear motor, and stage apparatus using the linear motor: A linear motor, includes a coil part having a plurality of coils forming a line; a magnetic yoke part having a plurality of permanent magnets facing the coil part; a cover member covering the coil part; and a coil cooling part formed inside the cover member and configured to cool... Agent: Squire, Sanders & Dempsey L.L.P.

20070252446 - Tubular electrical machines: The present invention provides a stator for a tubular electrical machine having a substantially cylindrical inner surface containing a series of axially-spaced slots for receiving the coils of a stator winding. The stator comprises axially successive layers of laminations 2, each layer being formed from a number of curved laminations... Agent: Kirschstein, Ottinger, Israel & Schiffmiller, P.C.

20070252447 - Electric motor having a stator: A stator configured to rotate a rotor with a number of magnetic poles includes a yoke that includes a back portion and a first type and first quantity of integral teeth, and a second type and second quantity of insertable teeth coupled to the back portion. At least two coils... Agent: Michael Best & Friedrich LLP

20070252448 - Stator module: The invention relates to a stator module for a synchronous machine with transversal flux guidance, in particular a transversal flux machine having at least one phase, having a stator unit that is provided for the single phase and bearing an armature winding and that, in the assembled position, is provided... Agent: Ohlandt, Greeley, Ruggiero & Perle, LLP

20070252450 - Method of making electric machine winding: A method of providing an electric machine winding having a fluid flow channel, for receiving coolant fluid therein is disclosed. The method includes impressing the channel into a peripheral surface using a die having a shape corresponding to a desired fluid flow cooling path of the channel.... Agent: Ogilvy Renault LLP (pwc)

20070252452 - Direct current power generator accommodating a bicycle hub or motor for auxiliary power, a wheel equipped with a direct current power generator accommodating a bicycle hub or a motor for auxiliary power, a bicycle equipped with a direct current power gene: For the purpose of providing a direct current power generator accommodating a bicycle hub or a motor for auxiliary power, the structure of which is simple, the weight of which is light and which may generate sufficient electric power and also be applicable to an auxiliary to drive a bicycle... Agent: Egbert Law Offices

20070252453 - Method and apparatus for converting human power to electrical power: In an exemplary briefcase embodiment as depicted in FIG. 48, exemplary batteries (525) and (526) would be contained in very close proximity to an exemplary twelve-coil PMG assembly (300′). The exemplary twelve-coil PMG assembly (300′) would comprise a twelve-coil stator (not visible) in between two rotors (e.g., 217b). In an... Agent: Khorsandi Patent Law Group, A Law Corp., Suite 312

20070252454 - Electric motor: An electric motor (1) including a stator (2), a rotor (3) having a field permanent magnet (6), a terminal block (21) fixed on the stator, and a magnetism detecting circuit for detecting magnetism of the field permanent magnet thereby to detect a rotational position of the rotor. The magnetism detecting... Agent: Pillsbury Winthrop Shaw Pittman, LLP Eric S. Cherry - Docketing Supervisor

20070252457 - Method and apparatus for converting human power to electrical power: The exemplary embodiment of the present invention provides a device for converting human power to electrical power. The exemplary device comprises: a plurality of gear wheels (e.g., 1, 2, 3, 4, 5 and 6) interconnected with a plurality of interconnection means (e.g., 12, 13, and 14); a first axle (9),... Agent: Khorsandi Patent Law Group, A Law Corp.,

20070252458 - Reversible submerged motor: A reversible submerged motor includes a double open end housing with an inside bracket, a barrel-like axle holder, which is affixed to the bracket of the housing and holds a winding around a tubular axle thereof, and a vane holder, which has a shaft pivotally supported in the tubular axle... Agent: Pro-techtor International Services

20070252460 - Blower structure: A blower includes a hollow casing having ventilating ports, a rotor formed by circumferentially arranging a plurality of blades, and a stator. The rotor is provided at one side along its axial direction with a base plate, and provided at the other side with a magnetic ring seat. The interior... Agent: Hdsl

20070252459 - Electric fan with bearing: An electric fan includes a fan base (10), a bearing (40) and a rotor assembly (20). The fan base forms a center tube (11) receiving the bearing therein. The center tube has a wall and a baffle element (110) bending from a top end of the wall. The baffle element... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070252461 - Fluid dynamic bearing device and motor equipped with the same: Disclosed is an inexpensive fluid dynamic bearing device exhibiting high bearing performance and long life. A fluid dynamic bearing device (1) is mainly composed of a shaft member (2), and a bearing member (7) equipped with a cylindrical radial bearing surface (A) opposed to an outer peripheral surface (2a) of... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070252462 - Structural support member for electric motor/generator in electromechanical transmission: An electromechanical transmission is provided with a structural support member that supports a motor/generator in a space efficient way; particularly, the motor/generator is supported from one side only to save space axially in the transmission. Specifically, a stationary structural support member circumscribes an outer surface of and supports a stator... Agent: General Motors Corporation Legal Staff

20070252463 - Dynamo system: A dynamo system comprises a flywheel mounted on a shaft intermediate its ends. A circular track means includes an inward groove structure to keep the ends of the shaft tracked inside while the flywheel rotating and spinning. The circular track means further includes a mechanism to allow a coupling means... Agent: Hungkun J. Chang

20070252464 - Heat sink: A heat sink comprises a frame having an axle sleeve, a motor axle having an shaft, a positioning unit securely around the axle sleeve and a rotating unit. The rotating unit is connected to the shaft and has a hub with a through hole. An axle is positioned at a... Agent: Asia Vital Components Co., Ltd.

20070252465 - Outer-rotor-type magneto generator: An outer-rotor-type magneto generator comprising: a magnet rotor having a cup-shaped rotor yoke and permanent magnets bonded to an inner surface of a periphery wall portion of the rotor yoke; and a stator having an armature core and armature coils wound around salient pole portions of the armature core, wherein... Agent: Pearne & Gordon LLP

20070252466 - Electrical machines with reduced cogging: The present invention provides an electrical machine 1 with reduced cogging. The magnet poles 3 of the electrical machine are comprised of at least two separate groups of at least two circumferentially adjacent magnet poles. One of the circumferentially outer magnet poles 3 in one of the groups of magnet... Agent: Kirschstein, Ottinger, Israel & Schiffmiller, P.C.

20070252468 - Rotor of generator or motor: Disclosed is a rotor of a generator or motor having an auxiliary coil provided around a rotor body, thereby preventing the distortion of output voltage waveforms according to the variation of load, and thereby allowing the fine adjustment of the output voltages of the generator by the control of the... Agent: Ipla P.A.

20070252467 - Interior magnet machine with non-perpendicular slots: An interior permanent magnet machine having angled slots.... Agent: Senniger Powers

20070252469 - Embedded magnet type rotating electric machine: A plurality of magnets are arranged in accommodating holes each extending in a radial direction. A rotor core is provided with an extension portion in a circumferential direction extending further outward in the circumferential direction with respect to the magnet from at least one of a radially outer end and... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20070252470 - Rotary device of generator or motor: Disclosed is a rotary device of a generator or motor which includes: a stator having a hollow portion formed at the inside thereof and a plurality of slots formed to wind coils therearound, each of the plurality of slots being skewed at a predetermined angle; a rotor shaft formed of... Agent: Ipla P.A.

20070252471 - Stator segment and method of assembly: A stator assembly is provided for an electric motor having a longitudinal axis. The stator assembly includes at least one stator segment having a first end member having a stator tooth and at least one of a stator shoe and a back iron. A second end member is positioned with... Agent: General Motors Corporation Legal Staff

20070252472 - Direct cranking electric rotary machine for vehicle: In a direct cranking electric rotary machine as an axial air-gap motor having an improved configuration mounted on a vehicle, a stator is faced to an end part on a surface of a rotor. The rotor also acts as a flywheel for an engine mounted on the vehicle. The length... Agent: Oliff & Berridge, PLC

20070252473 - Dynamo-electric machine rotor: It is an object of this invention to provide a dynamo-electric machine rotor which effectively and uniformly cools a rotor coil outside a rotor core by forming a ventilating groove in the rotor coil, tolerates large field current, and has high reliability. There is provided a dynamo-electric machine rotor in... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070252474 - Actuator unit and method for manufacturing an actuator unit: An actuator unit has a tube spring (32), a piezoelectric actuator (31), that is inserted into the tube spring (32), a first cap (33), that is connected to the tube spring (32) at a first free end of the tube spring (32) and which is adjoined by the piezoelectric actuator... Agent: Baker Botts L.L.P. Patent Department

20070252475 - Oscillator circuit including surface acoustic wave sensor and biosensor apparatus: A surface-acoustic-wave-sensor-included oscillator circuit does not cause separation of an electrode film due to application of a bias voltage and can reliably accurate operate even if liquid is adhered thereto. The surface-acoustic-wave-sensor-included oscillator circuit includes interdigital electrode disposed on a piezoelectric substrate and a reaction film that is arranged so... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070252476 - Piezoelectric thin-film resonator and filter using the same: A piezoelectric thin-film resonator includes a substrate, a lower electrode provided on the substrate, a piezoelectric film provided on the lower electrode, and an upper electrode provided on the piezoelectric film so as to have a portion that overlaps the lower electrode across the piezoelectric film. At least a part... Agent: Arent Fox PLLC

20070252477 - Piezoelectric ultrasonic motor for 2-dimensional positioning: A piezoelectric ultrasonic motor having 2-dimensional positioning movement includes a stator. The stator includes a piezoelectric ceramic bar and an electrode disposed on the bar. Each bar includes two wings that are separated by a predetermined angle to form a predetermined shape. A power source is used to apply a... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20070252478 - Solid-state actuator, especially piezoceramic actuator: An embodiment of the invention relates to a solid-state actuator, especially a piezoceramic actuator, which comprises a support layer to which at least one actuator layer, especially a piezoceramic layer, is applied, the actuator layer being disposed between contact electrodes. In order to avoid a creep behaviour of the solid-state... Agent: Harness, Dickey & Pierce, P.L.C

20070252479 - Piezoelectric device and piezoelectric switch provided with the same: [Problem] There are provided a piezoelectric device, in which piezoelectric element surfaces are prevented from cracking and warping by reducing tensile stress generated within the piezoelectric element by an external force, and a piezoelectric switch utilizing the same. [Means of Solution] The piezoelectric device comprises a piezoelectric element having a... Agent: Birch Stewart Kolasch & Birch

20070252480 - Piezoelectric resonator and method for manufacturing thereof: A piezoelectric resonator includes a resonator substrate, a base substrate supporting the resonator substrate, a lid substrate covering a surface of the resonator substrate, the surface being on an opposite side of a surface facing the base substrate, a first excitation electrode formed on the surface of the resonator substrate... Agent: Oliff & Berridge, PLC

20070252481 - Piezoelectric device and method for producing same: A piezoelectric device ensures resistance to molding without an increase in costs and includes an elemental substrate having a piezoelectric element and a conductive pattern electrically connected to the piezoelectric element; and insulating members disposed on the elemental substrate and surrounding the piezoelectric element leaving a space around the piezoelectric... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070252482 - Piezoelectric device: A piezoelectric device includes a piezoelectric element package having a piezoelectric element accommodated therein and a connection terminal formed on a side surface and a bottom surface thereof, a circuit element coupled to the connection terminal on the bottom surface of the piezoelectric element package, an insulating resin portion being... Agent: Oliff & Berridge, PLC

20070252484 - Piezoelectric ceramic composition and piezoelectric actuator: A piezoelectric ceramic composition has the composition formula (Pb(a-b)Meb){(Ni(1-c)/3Znc/3Nb2d/3)zTixZr(1-x-z)}O3, wherein Me represents at least one element selected from the group consisting of Ba, Sr and Ca; a, b, d, and x satisfy the inequalities 0.975≦a≦0.998, 0≦b≦0.05, 1<d≦1.3, and 0.39≦x≦0.47; and c and z are located in a region surrounded by... Agent: Dickstein Shapiro LLP

20070252483 - Piezoelectric ceramic compostion and piezoelectric actuator: A piezoelectric ceramic composition has the composition formula (Pb(a-b)Meb){(Ni(1-c).d/3Znc.d/3Nb2/3)zTixZr(1-x-z)}O3, wherein Me represents at least one element selected from the group consisting of Ba, Sr and Ca; a, b, c, d, x and z satisfy the inequalities 0.975 ≦a ≦0.998, 0 ≦b ≦0.05, 1 <d ≦1.40, and 0.39 ≦x ≦0.47; and... Agent: Dickstein Shapiro LLP

20070252485 - Thin-film piezoelectric resonator and filter circuit: A thin-film piezoelectric resonator has a piezoelectric film which is formed via a space on a substrate and is supported on the substrate at least one location, an upper electrode which has a plurality of electrode layers and a connection part connecting the electrode layers to each other, each of... Agent: Charles N.j. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.L.P.