Electrical generator or motor structure inventions 09/07

20070222303 - Stage apparatus: A stage apparatus includes a movable stage; a magnetic unit including a first permanent magnet that is provided on the stage and magnetized in a direction perpendicular to a moving direction of the stage and at least one pair of second permanent magnets that are magnetized such that opposing portions... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070222343 - Rotary input apparatus: A rotary input apparatus is disclosed. The rotary input apparatus comprising a rotatable wheel, a first magnet joined to a side of the wheel for cooperation with the wheel and magnetized to have alternating N- and S-poles, a detection element positioned to face the first magnet for detecting changes in... Agent: Staas & Halsey LLP

20070222313 - Motor: A motor may include a bearing made of resin for rotatably supporting one end part of the rotor shaft, and an urging member attached to a bearing holder and abutted with a pressurization face of the bearing to urge the bearing toward a side of the rotor shaft. A molding... Agent: Cantor Colburn, LLP

20070222314 - Spindle motor having a fluid dynamic bearing system: The invention relates to a spindle motor having a fluid dynamic bearing system, used particularly for driving the storage disks of hard disk drives, having a baseplate, a stationary bearing bush disposed in an opening in the baseplate, a shaft rotatably supported in an axial bore in the bearing bush... Agent: Cooper & Dunham, LLP

20070222302 - Electrical field device and expansion module for insertion into an electrical field device: An electrical field device for use in industrial control with a housing, with at least one input, at least one output and an electronic circuit with a microcontroller, a memory and a circuit board. The electrical field device is easily adapted to different functions and conditions of use in that... Agent: Roberts, Mlotkowski & Hobbes

20070222304 - Electric machine: A linear or rotating electric synchronous machine includes a reluctance-secondary part, and a primary part, provided with a coil and permanent magnets. The primary part has teeth, with each tooth surrounded by a coil defining a coil axis. Arranged in each tooth is a permanent magnet which is surrounded by... Agent: Henry M Feiereisen, LLC

20070222305 - Motor: A motor includes a drive circuit for driving a rotor by controlling a current applied to an armature winding of a stator, and a capacitor for smoothing a voltage supplied to the armature winding and/or a capacitor for smoothing a supply voltage from outside on a same board. The board... Agent: Ratnerprestia

20070222306 - Electrical machine and method for producing an electrical machine: A core for an electrical machine, a method for producing a core, an electrical machine, and a method for producing an electrical machine. Said core comprises a body of soft magnetic material having a plurality of teeth and at least one magnetic flux cross section area enlarging element being made... Agent: Buchanan, Ingersoll & Rooney PC

20070222308 - Coil for electric rotating machine, and mica tape and mica sheet used for the coil insulation: A coil for an electric rotating machine is configured with a conductor which is formed by bundling a plurality of square strands and stacking the square strands like a coil with Roebel transposition, mica tape which is wound a plurality of layers around an outer surface of the conductor and... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070222307 - Mica tape, electrical rotating machine coil, and electrical rotating machine comprising the electrical rotating machine coil: A mica tape comprising a mica foil, a glass cloth, and an inorganic filler arranged on the glass cloth, wherein the mica tape is wound a plurality of times about an outer circumferential surface of a conductor portion of an electrical rotating machine coil so as to form an insulating... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070222309 - High efficiency magnet motor: A high efficiency non-electrically induced magnet motor includes a stator assembly and a rotor assembly having a rotor shaft extending therethrough at its center and disposed operatively for relative rotation respect to the stator assembly about the rotor shaft between a counter-clockwise direction and a clockwise direction. First and second... Agent: Davis Chin

20070222310 - Electric motor comprising a mounting device: An adapter fixture (3) for axial assembly purposes is provided by directing said adapter fixture, which accommodates magnet shells (5, 6) at the stator end and is provided with a molded-on first bearing bracket (3.1) at one end thereof, through a motor housing such that the same radially engages underneath... Agent: Baker Botts L.L.P. Patent Department

20070222311 - Rotating electrical machine, in particular motor vehicle alternator, whereof the input/outputs comprise fines inclined relative to the fan blades: The invention concerns a rotating electrical machine comprising an outer shell, a stator, a rotor, and a fan with blades arranged on one first axial side of the rotor, the shell having on its outer periphery radial ports consisting of each of an opening subdivided by fins each elongated according... Agent: Matthew R. Jenkins, Esq.

20070222312 - Spool, brake and electric motor: A spool includes at least one bobbin and one winding wire, e.g., a winding wire lacquered for electrical insulation, the bobbin including at least one channel, e.g., one arranged as a pocket, at least one sleeve being electrically connected to the winding wire, the sleeve being electrically connected to an... Agent: Kenyon & Kenyon LLP

20070222315 - High temperature superconducting magnetic bearing: A magnetic bearing maintains a rotating shaft 3 is held magnetically in a floating condition within a stator 1 wherein the stator 1 comprises a superconductor 5 and the shaft 3 is attached to a segmented exciting system 10 of permanent magnets wherein one or more of the segments are... Agent: Sofer & Haroun LLP.

20070222316 - Electric machine: An electric machine, having an armature including an armature lamination that supports a winding and having a housing that accommodates at least one magnet, which is embodied at least in the form of an annular magnet segment. The armature lamination protrudes axially beyond the at least one magnet. This has... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070222318 - Electromagnetic motor employing multiple rotors: An electromagnetic motor employing plural rotors is provided, with each rotor exhibiting a permanent magnetic field. A control module selectively induces magnetic fields in electromagnetic pads surrounding each of the rotors. Through the interaction of the permanent and induced magnetic fields, the rotors can turn. As a result, a shaft... Agent: Stetina Brunda Garred & Brucker

20070222317 - Synchronous motor: A synchronous motor having a rotor that includes: a body, a plurality of magnets positioned on the body of the rotor. For each of the plurality of magnets, a corresponding clamping element fixes a corresponding one of the plurality of magnets on the body of the rotor, wherein the corresponding... Agent: Brinks Hofer Gilson & Lione

20070222319 - Motor: A motor includes a stator and a rotor. The stator is configured by winding a coil around a stator core which includes a salient-pole core. The rotor has a rotor core made by laminating thin and highly permeable iron sheets. The rotor core has multiple permanent magnet embedding holes, and... Agent: Ratnerprestia

20070222320 - Molded rotor assembly for electric motors: In a preferred embodiment, an apparatus, including: first and second lamination stacks; a permanent magnet disposed between the lamination stacks; and the first and second lamination stacks and the permanent magnet being coated in one step with a plastic material.... Agent: John H Crozier

20070222321 - Stator winding rod: A stator winding bar comprises a plurality of strands that are transposed in the manner of a Roebel bar in an active part having a prescribed length, the active part being divided into several areas having different lengths arranged one after the other, in each area a transposition of the... Agent: Darby & Darby P.C.

20070222322 - Magnetoelectric generator and method for manufacture thereof: A magnetoelectric generator includes: a generating coil that is constituted by: a generating coil main body in which a conducting wire is wound onto respective teeth of a stator core; and an output wire that is led axially outward from the generating coil main body; and a varnish that is... Agent: Sughrue Mion, PLLC

20070222324 - Insulation structure of rotary electrical machinery: An insulation structure of rotary electrical machinery which electrically insulates teeth of a stator from a winding wound on the teeth includes: an insulator made from hard insulation material, disposed on both axial ends of the teeth, and having a side wall disposed along a side surface of the teeth... Agent: Arent Fox PLLC

20070222323 - Stator of a rotary electric machine having secured core slot insulators: A stator of a rotary electric machine having secured core slot insulators includes a multi-phase stator winding, having a plurality of slot segments that are adapted to be radially inserted into a plurality of circumferentially spaced axially-extending core slots in a surface of a cylindrically-shaped stator core. The stator winding... Agent: Cantor Colburn, LLP

20070222325 - High frequency electric motor or generator: A device such as an electric motor, an electric generator, and a regenerative electric motor includes at least one independent energizable electromagnetic assembly. Each independent electromagnetic assembly has an associated one-piece magnetic core. Each independent electromagnetic assembly defines two stator poles. Each one-piece magnetic core provides the entire magnetic return... Agent: Pritzkau Patent Group, LLC

20070222326 - Rotor assembly having a reduced back portion and a method of manufacturing same: A rotor for an electric machine having a number of poles includes a shaft that extends along a portion of an axis and defines an outer surface. A first core portion is formed as a single inseparable component and includes a first portion that extends from the outer surface to... Agent: Michael Best & Friedrich LLP

20070222328 - Brush assembly for alternator easy to install and capable of reliably preventing entrance of foreign matters: A brush assembly for an alternator includes a brush, a brush holder holing the brush, and a slip ring cover for covering a slip ring on a rotary shaft of the alternator. The brush holder and the slip ring cover respectively have first and second through-holes that can be brought... Agent: Oliff & Berridge, PLC

20070222327 - Rear cover of motor: A rear cover of a motor includes a main member and two lateral covers. The main member has a first receiving portion with a first room, a second receiving portion with a second room, a third receiving portion with an axle bore. The first receiving portion has two first carbon... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20070222329 - Stepping motor and electronic apparatus: A stepping motor includes a rotor including a cylindrical permanent magnet, ring-shaped first and second yoke units that are arranged so as to be mutually stacked along an axis of the rotor, electrical connection members of resin material that include external connection terminals and are respectively secured to the first... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20070222330 - Dc brushless motor for electrical power steering and the production method thereof: The stator core of a motor comprises an annular back core, and a plurality of tees created separately from the back core and secured onto the inner periphery of the back core. A stator coil is wound on each of the tees by a distributed or concentrated winding method. The... Agent: Crowell & Moring LLP Intellectual Property Group

20070222331 - Small heat-dissipating device: A small heat-dissipating device includes a casing and an impeller rotor. The casing includes a compartment delimited by a base. An axial tube extends from the base. At least two positioning members are mounted on the base and outside the axial tube. The positioning members are made of magnetically conductive... Agent: Birch Stewart Kolasch & Birch

20070222332 - Winding support for an electrical machine: A winding support for an electrical machine embodied as a lamination packet and has a plurality of pole teeth each having a pole foot about which a winding can be disposed. Beginning at the face ends of the lamination packet, the pole feet have an increasing width. The result is... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070222333 - Rotor for rotary electrical device: A rotor for a rotary electrical device to be arranged to face to a stator, comprises a rotor iron core extending axially and including a plurality of slots arranged with a predetermined circumferential interval, a rotor coil contained by the slots, a coil support member of electrically insulating property arranged... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070222334 - Microelectromechanical step actuator capable of both analog and digital movements: An embodiment of the present invention provides a step actuator, comprising a suspended membrane comprising a plurality of movable electrodes connected by plurality of spring hinges to a payload platform; and pillars connecting said membrane to a substrate, said substrate comprising a plurality of fixed electrodes; wherein said movable electrodes... Agent: Chang-feng Wan

20070222335 - Surface acoustic wave device: A SAW device includes one or more surface acoustic wave element which comprises an interdigital transducer on a single crystal piezo-electric substrate and is flip-chip mounted on a base substrate through metal bumps. The IDT transducer is formed of a laminate film including an underlying layer made of titanium nitride... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070222337 - Boundary acoustic wave device and process for producing same: In a method for producing a boundary acoustic wave device that includes a first medium, a second medium, and a third medium laminated in that order, and electrodes disposed at the interface between the first medium and the second medium, the method includes the steps of preparing a laminate including... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070222336 - Temperature compensation of film bulk acoustic resonator devices: A resonator. The resonator includes a bottom electrode overlaying at least part of a substrate, a composite structure overlaying at least part of the bottom electrode, and a top electrode overlaying at least part of the composite structure. The composite structure comprises a piezoelectric layer and a compensation layer, and... Agent: Agilent Technologies Inc.

20070222338 - Ultrasonic transducer, ultrasonic probe and method for fabricating the same: In an ultrasonic transducer including a gap between an upper electrode and a lower electrode on a silicon substrate, it is made possible to reduce or adjust warpage of an above-gap membrane vibrated by electrostatic actuation due to internal stress. A fourth insulating film and a fifth insulating film of... Agent: Townsend And Townsend And Crew, LLP

20070222339 - Arrayed ultrasonic transducer: An ultrasonic transducer comprises a stack having a first face, an opposed second face and a longitudinal axis extending therebetween. The stack comprises a plurality of layers, each layer having a top surface and an opposed bottom surface, wherein the plurality of layers of the stack comprises an upper unpoled... Agent: Needle & Rosenberg, P.C.

20070222340 - Laminated piezoelectric element and production method of the same: A laminated piezoelectric element capable of being sintered at low temperatures and high in piezoelectric properties is provided. The laminated piezoelectric element comprises a plurality of piezoelectric layers each comprising a composite oxide as a main constituent thereof and a plurality of internal electrode layers formed between the piezoelectric layers... Agent: Pearne & Gordon LLP

20070222341 - Piezoelectric ceramic composition and laminated piezoelectric element: Provided is a piezoelectric ceramic composition capable of being sintered at low temperatures and in a low-oxygen reductive atmosphere and capable of attaining a sufficient displacement even at high voltages of 1 kV/mm or more. The piezoelectric ceramic composition includes: a composite oxide, as a main constituent thereof, represented by... Agent: Pearne & Gordon LLP

20070222342 - Method for manufacturing piezoelectric resonator element: [Problems] This invention is intended to provide a method for manufacturing a piezoelectric resonator element that has a small affected layer on a surface and a resonating property not much different from a designed resonating property. [Means to solve the problems] A wet etching is performed to form a tuning-fork... Agent: Harness, Dickey & Pierce, P.L.C

20070222344 - Electroactive polymer animated devices: The present invention relates to animated devices that include one or more electroactive polymer transducers. When actuated by electrical energy, an electroactive polymer produces mechanical deflection in one or more directions. This deflection may be used to produce motion of a feature included in an animated device. Electroactive polymer transducers... Agent: Beyer Weaver LLP

20070216234 - Methods for producing piezoelectric actuator, ink-jet head, and ink-jet printer using aerosol deposition method, piezoelectric actuator, ink-jet head, and ink-jet printer: In a method for producing a piezoelectric actuator for an ink-jet head, a piezoelectric material layer included in thin film layers is formed on a vibration plate with AD method by jetting aerosol which contains particles of a piezoelectric material and a carrier gas, from a film-forming nozzle to the... Agent: Reed Smith, LLP Attn: Patent Records Department

20070216235 - Linear vibrator: Embodiments of a linear vibrator are provided that are capable of reducing the manufacturing cost, increasing the product reliability and increasing the vibrating quantity. An embodiment of a linear vibrator can include a case formed of an upper case portion and a lower case portion coupled to each other to... Agent: Saliwanchik Lloyd & Saliwanchik A Professional Association

20070216243 - Motor: A motor including a rotor having a rotor shaft and a permanent magnet fixed to an end part of the rotor shaft, a stator disposed around the rotor, a bearing for supporting the end part of the rotor shaft, a bearing holder which holds the bearing movably in an axial... Agent: Reed Smith, LLP Attn: Patent Records Department

20070216233 - Long- stator comprising a ground conductor and maglev railway that is equipped with said stator: A long-stator and a magnetic levitation railway equipped therewith are described. The long-stator comprises a plurality of stator sections (1, 1b) that are arranged one behind the other, adjoin one another at separation points (22) and have grooves (2) following each other in a longitudinal direction for receiving at least... Agent: Michael J. Striker

20070216237 - Industrial gear unit: An industrial gear unit including a housing (14) which contains lubricated gear components, a water coolant device (1) which defines, at least in part, a fluid chamber (3) and fluid inlet (4) and outlet parts, and a retention element (32) which secures the water coolant device to the housing, the... Agent: Young & Thompson

20070216236 - Method and apparatus for heat removal from electric motor winding end-turns: An electric motor includes a stator having a plurality of slots. The slots have slot ends and channels formed between the slot ends. A plurality of wire windings is disposed in the slots. A plurality of winding end-turns is formed by the wire windings and is adjacent to the slot... Agent: General Motors Corporation Legal Staff

20070216238 - Self contained pump electrical equipment power supply integrated into sealing device: The invention provides a pumping system or other suitable rotating equipment having a self-contained pump electrical equipment power supply, featuring a shaft sealing device having an AC power generating device that form part of the self-contained pump electrical equipment power supply for supplying local AC electrical power to a circuit... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070216239 - Tray assembly for spindle motor with aerodynamic bearing: A tray assembly for a spindle motor includes a tray and an aerodynamic rotational shaft. The tray includes an engaging hole in a center thereof. The aerodynamic rotational shaft includes an outer circumference with a smooth surface. An end of the aerodynamic rotational shaft is engaged in the engaging hole... Agent: Birch Stewart Kolasch & Birch

20070216240 - Electric rotating machine: An electric rotating machine comprises: a stator; a rotor that includes a rotary shaft, and rotates coaxially with the stator; a bracket supporting and fixing the stator, and supporting rotatably the rotary shaft; a rotational position detector disposed on the side opposite to the load of the rotary shaft to... Agent: Sughrue Mion, PLLC

20070216241 - Electric motor: An electric motor, comprising a shell for a rotor, which is closed by a cover provided with a hole for the passage of a motor shaft; the cover accommodates and supports sliding contact brushes for a commutator for supplying power to the rotor, a sensor for detecting the rotation rate... Agent: Modiano & Associati

20070216242 - Brush-less type rotation detector shielding structure: It is possible to provide a brush-less type rotation detector shielding structure capable of reducing the interference of magnetic flux leaking from a rotation transformer to a stator iron core and rotor iron core and suppressing lowering of the angle detection accuracy. As shown in FIG. 1, the shielding structure... Agent: Fay Sharpe LLP

20070216244 - Motor with rotor supporting windings: The present invention relates to the use of stator windings of an induction machine to provide both rotation of the rotor and active rotor positioning within the stator frame by modification of the magnetizing current component in the D-Q plane of the rotor applied transformed to the AC waveform current... Agent: Borealis Technical Limited

20070216245 - Hollow generator: Lacking a physical axis of rotation, this all-in-one electric generator/turbine requires less kinetic energy, substantially fewer parts, and less space in the power plant than traditional designs. The turbine is embedded within the rotor, each sharing a common axis of rotation. This design eliminates the connecting shaft between the turbine... Agent: William S. Fielder

20070216246 - 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

20070216247 - Automatic motor-generator charger: An automatic motor-generator charger includes a motor generator and a circuit unit. The motor generator and the circuit unit are integrated with each other in a case. The motor-generator operates by receiving electric power from a battery, which is charged in accordance with the electricity generating operation of the motor-generator.... Agent: Keusey, Tutunjian & Bitetto, P.C.

20070216248 - Hybrid induction motor: A hybrid induction motor includes a motor casing; a rotational shaft rotatably coupled with the motor casing; an induction rotor rotated by being integrally coupled with the rotational shaft and having a rotor core and a conductor bar inserted in the rotor core; a stator having a hollow into which... Agent: Greenblum & Bernstein, P.L.C

20070216249 - Transverse flux machine and turbine-type machine having such a transverse flux machine: In a transverse flux machine, the rotor has multiple permanent magnet rings that are arranged axially in proximity to one another. The stator surrounds the rotor concentrically in at least some sections, forming an air gap. The stator has multiple stator coils oriented coaxially with the permanent magnet rings and... Agent: Crowell & Moring LLP Intellectual Property Group

20070216250 - Direct drive motor for washing machine and method of manufacturing the same: A direct drive motor for a washing machine and method of manufacturing the same are disclosed, by which a direct drive motor convenient for use can be provided in a manner of reducing a cogging torque, noise and vibration considerably using a permanent magnet having sine waveform magnetization. The present... Agent: Ked & Associates, LLP

20070216251 - Motor: A motor includes a stator which generates a rotating magnetic field, and a rotor. The rotor includes a plurality of permanent magnets and a hysteresis band disposed on an outer periphery of the rotor.... Agent: Greenblum & Bernstein, P.L.C

20070216252 - Motor/generator: A motor/generator is basically provided with a stator, a first rotor member and a magnetic resistance changing mechanism. The stator has a plurality of coils configured and arranged to be energized with a composite electrical current to form first and second magnetic fields. The first rotor member is configured and... Agent: GlobalIPCounselors, LLP

20070216254 - Magnetic powder metal component stator: A compacted magnetic powder metal component stator for use in an electrical machine is provided. Each stator is comprised of a plurality of stator core assemblies. Each stator core assembly forms an arcuate section of the stator core itself. Each stator core assembly is comprised of an inner shoe component,... Agent: Amsted Industries, Inc.

20070216253 - Stator for an electrical machine: A stator for an electrical machine, in particular a rotary current generator, is proposed, in which the stator (36) is made by the flat-packet technique and comprises at least one stator iron (10) and a stator winding (30), and the stator iron (10) has a substantially annular-cylindrical shape, and the... Agent: Michael J. Striker

20070216255 - Electric machine: An electric machine including armature equipped with armature slots for accommodating armature coils, a commutator equipped with commutator segments, and a first and second hammer brush that each rest against the commutator in sliding fashion by means of a spring lever, in which at least one armature coil is comprised... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070216256 - Piezoelectric devices and methods and circuits for driving same: A drive circuit (18) senses a parameter of a piezoelectric actuator (14) operating in a device (10) and adjusts a drive signal of the piezoelectric actuator in accordance with the parameter. The drive circuit comprises a controller (100) which controls a drive signal applied to the piezoelectric actuator (14); a... Agent: Nixon & Vanderhye, PC

20070216257 - Ultrasonic wave oscillator: An ultrasonic wave oscillator is configured in a manner that an acoustic matching member is formed on the ultrasonic wave emission side of an electromechanical transducer element, a backing material is fixed with adhesive on the other side thereof, and the electromechanical transducer element is fixed by connection members pressing... Agent: Ostrolenk Faber Gerb & Soffen

20070216258 - Method for producing piezoelectric actuator, method for producing liquid droplet jetting apparatus, piezoelectric actuator, and liquid droplet jetting apparatus: A film-forming nozzle is moved so that a boundary portion of a plurality of areas on which a piezoelectric material layer is formed by a film-forming nozzle moving relative to a vibration plate is positioned outside deformable portions of the vibration plate and overlaps with restricted portions. This reduces stress... Agent: Reed Smith, LLP Attn: Patent Records Department

20070216259 - Ultrasonic transducer device for humidifier: An ultrasonic transducer device for a humidifier, the humidifier having a vaporizing chamber for producing water vapor or mist, the ultrasonic transducer device comprises: a transducer holder having a central opening formed in a longitudinal direction of the transducer holder and a flange portion disposed at a periphery of the... Agent: Hyun Jong Park

20070216260 - Piezoelectric ceramic and method of manufacturing the same: There is disclosed a piezoelectric/electrostrictive device which exhibits an excellent piezoelectric characteristic and which has an only small dependence on a temperature so that the piezoelectric characteristic does not easily change with the temperature. A piezoelectric/electrostrictive device includes a piezoelectric/electrostrictive portion made of a piezoelectric ceramic, and electrodes electrically connected... Agent: Burr & Brown

20070216261 - Piezoelectric film laminate and device including piezoelectric film laminate: A piezoelectric film laminate includes a lithium tantalate substrate, and a lead zirconate titanate niobate layer formed above the lithium tantalate substrate.... Agent: Harness, Dickey & Pierce, P.L.C

20070216262 - Polymer actuator and its production method: A polymer actuator comprising a conductive composite 2 comprising a conductive polymer layer 2b and an extendable substrate 2a, an ion donor 7, work electrodes 5a, 5b, and a counter electrode 6; (a) the conductive composite 2 being formed by impregnating the extendable substrate 2a with one of a conductive-polymer-forming... Agent: Lahive & Cockfield, LLP

20070216263 - Droplet discharging head, image forming apparatus, and film forming apparatus: A droplet discharging head includes a diaphragm, a fixing plate, and a piezoelectric element. The piezoelectric element includes a first electrode, a second electrode, a piezoelectric body layer interposed between the first and second electrodes, a first internal electrode extending from the first electrode between the first and second electrodes,... Agent: Oliff & Berridge, PLC

20070216265 - Piezoelectric actuator: A piezoelectric actuator comprising a stack of piezoelectric layers formed from a piezoelectric material, a plurality of internal electrodes disposed throughout the stack to define active regions of the piezoelectric material therebetween which are responsive to a voltage applied across two or more groups of the internal electrodes in use,... Agent: Delphi Technologies, Inc.

20070216264 - Multilayer piezoelectric element: A multilayer piezoelectric element has a plurality of piezoelectric layers and a plurality of internal electrodes stacked alternately. The piezoelectric layers contain an oxide containing an alkali metal element and niobium or bismuth. The internal electrodes are formed of a base metal that is preferably copper or copper alloy. The... Agent: Kanesaka Berner And Partners LLP

20070210653 - Moving magnet actuator with counter-cogging end-ring and asymmetrical armature stroke: A moving magnet actuator (MMA) includes a magnetically conductive end-ring that is spaced from a magnet pole piece. The end-ring is constructed and spaced to provide a desired counter or anti-cogging force when the MMA is in a powered state. The MMA is also constructed such that a central portion... Agent: Ziolkowski Patent Solutions Group, Sc (zps)

20070210654 - Motor: In a rotary unit, an upper portion in its axial direction of a hub cylindrical portion of a rotor hub, and an outer peripheral side of a radial extension are cut, thereby correcting the rotational balance of the rotary unit. Further, a circumferential wall is provided on the rotor hub,... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070210659 - Radial magnetic cam: A non-contact magnetic motion converter or magnetic cam comprises a permanent magnet rotational element or assembly having a pre-selected magnetic field shape, profile, and radial position in relation to the rotational axis and provides a continuous, operatively radial magnetic work-space comprising at least one continuous and non-sequential magnetic field area... Agent: Johnny D. Long

20070210655 - Electric machine with improved water cooling system: The aim of the invention is to provide a fluid-cooled electric machine in a simple manner. To achieve this, a housing (1) is configured in two parts, in such a way that each housing part (2, 3) comprises a bearing bracket (4, 5) and said housing parts are designed (2,... Agent: Henry M Feiereisen, LLC

20070210656 - Compact high power alternator: A compact, high power, power conversion apparatus including a rotor and a stator. The rotor includes a cylindrical casing, and a predetermined number of permanent magnets disposed on the casing, and is adapted for rotation about the axis of the casing. The stator includes a core and a plurality of... Agent: Squire, Sanders & Dempsey L.L.P. Two Renaissance Square

20070210657 - Brushless dc motors and systems using the same: A system comprising a brushless DC motor is disclosed. The system may include a rotor assembly and a stator assembly. The rotor assembly may include: a first permanent magnet having a first ring shape and generating a first magnetic field; a rotor shaft coupled to the first permanent magnet; and... Agent: Akin Gump Strauss Hauer & Feld L.L.P.

20070210658 - Brushless motor: The brushless motor includes: a housing; a stator which is stored and fixed in the housing; a rotor which is rotatably arranged inside the stator; a bracket which is fixed to the housing; a rotation detector which is fixed to the bracket and the housing and detects a rotation position... Agent: Kenyon & Kenyon LLP

20070210661 - Electric motor and series of electric motors: An electric motor and modular system of electric motors includes at least a stator, rotor, and a housing, the modular system including several variants of electric motors, e.g., within one size, the housing having a mechanical interface that is arranged for connection to a bearing support, the bearing support including... Agent: Kenyon & Kenyon LLP

20070210662 - Electronic package for electrical machine: Disclosed herein is an electronic package for an electrical machine including a slip ring end frame; a plurality of negative diodes dispersed in an angular fashion in the SRE frame acting as a negative heat sink; a plurality of positive diodes mounted on a separate electrically conductive plate located above... Agent: Cantor Colburn, LLP

20070210660 - Heat-dissipating fan: A heat-dissipating fan includes a casing, a stator, and an impeller. The casing includes a base supported by a plurality of ribs. The base includes an axial tube for receiving a bearing through which a shaft extends. Vanes are provided on an outer circumferential wall of the impeller. An end... Agent: Birch Stewart Kolasch & Birch

20070210663 - Electric motor having a rotor, rotor and process for manufacturing a rotor for an electric motor: The invention proposes an electric motor having a rotor, a rotor and a process for manufacturing a rotor for an electric motor, in which the manufacturing complexity is considerably reduced in comparison with the prior art. This object is achieved by virtue of the fact that, in the rotor, a... Agent: William D. Breneman, Esq. Breneman & Georges

20070210664 - Permanent magnet rotating electric machine: A permanent magnet rotating electric machine uses no skewing under a predetermined current and voltage condition to prevent torque from decreasing and to decrease pulsation torque to make the machine less vibrating and less noisy. The permanent magnet rotating electric machine includes a stator with multi-phase stator windings and a... Agent: Crowell & Moring LLP Intellectual Property Group

20070210665 - Eletromagnetic motor/generator: In some embodiments, an electromagnetic motor/generator may include a frame, an axle, first and second magnetic sections coupled to the axle, a center magnet section, and a solenoid coupled to the frame and the center magnet section, the solenoid adapted to move the center magnetic section to cause movement of... Agent: Intellectual Property Group Fredrikson & Byron, P.A.

20070210666 - Electric rotating machine: The electric rotating machine includes a fixed stator fixed to the inner circumferential side of a housing, a moving stator rotatably supported on the inner circumferential side of the housing, a rotor disposed concentrically on the inner circumferential side of the fixed stator and the moving stator, and a moving... Agent: Buchanan, Ingersoll & Rooney PC

20070210667 - Squirrel-cage rotor: A squirrel-cage rotor (1) includes squirrel-cage rotor conductors (3) and a carrier (5) for the squirrel-cage rotor conductors (3). The carrier (5) is provided with axial slots (9) in which the squirrel-cage rotor conductors (3) are accommodated. An axial slot (9) includes at least one closed slot portion (11) and... Agent: Henry M Feiereisen, LLC

20070210668 - Single-phase motor and hermetic compressor: It is an object to obtain a highly efficient and low-cost single-phase motor and a hermetic compressor employing the motor by producing the motor in a form that allows a proper material layout, with securing a magnetic path of a coreback of a stator iron core. According to the present... Agent: Buchanan, Ingersoll & Rooney PC

20070210669 - Electric motor and method of manufacturing the same: An electric motor includes an annular housing and an annular stator core having the inner periphery the shape of which differs from a perfect circle. The stator core is supported by the housing in such a manner that the outer periphery of the stator core and the inner periphery of... Agent: Morgan & Finnegan, L.L.P.

20070210670 - Motor: An axial gap between an annular projection of a rotor hub of a rotary unit and a sliding seal is set to be smaller than an axial gap between an axially upper face of a shaft and a cover of the rotor hub and an axially gap between an axially... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070210673 - Fuel pump having bearing member: A fuel pump includes a pump device for pumping fuel. The fuel pump further includes a motor device that has a commutator and an armature including a shaft. The commutator commutating electricity supplied to the armature for rotating the armature to drive the pump device. The fuel pump further includes... Agent: Nixon & Vanderhye, PC

20070210672 - Brush card assembly with add-on emi suppression card: An additional board having an electrical device such as an EMI suppressor is attached to the underside of a brush card with the electrical device coupled to the input power to the brush card. The additional board has a plurality of conductive regions, and in some embodiments one of the... Agent: Jaeckle Fleischmann & Mugel, LLP

20070210671 - Insertable brush holder assembly for electric motor: A brush holder assembly for an electrical motor includes a brush box including a main body and a cover portion, the main body with a cavity and including a set of first arms extending in opposition from the main body. The cover portion includes a set of second arms extending... Agent: Merchant & Gould PC

20070210674 - Stator of rotating electric machine and structure thereof: In a stator core support structure in a conventional rotating electric machine, it has been difficult to set the circumferential and radial stiffnesses with which elastic bars support a stator core, to appropriate values in view of a relationship between transmission of torque and vibration prevention. In order to solve... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070210675 - Brushless electric motor: A brushless electric motor includes a housing with a pair of disc-shaped end plates fixed relative to the housing in a spaced, generally parallel relationship to each other. A pair of bearings are respectively positioned in the end discs. A motor shaft is rotatably journalled in the bearings for rotation... Agent: John R. Hoffman

20070210676 - Elastic boundary wave device: An elastic boundary wave device includes a first medium with piezoelectricity, an electrode exciting an elastic wave and provided on the first medium, a second medium made of a different material from the first medium and provided on the first medium to cover the electrode, and a sound absorbing portion... Agent: Arent Fox PLLC

20070210677 - Device for detecting interaction with an object: A device and method for the detection of the interaction between two or more objects is disclosed. The device utilizes electrical impedance spectra measured from a piezoelectric element attached to one such object. Comparison of such spectra along a range of traverse allows precise estimates of distance to be made.... Agent: Kent Barta S.c.

20070210678 - Polymer actuator: A polymer actuator comprising a conductive powder compact, an ion donor, a work electrode and a counter electrode, contracting or extending by a voltage applied between the work electrode and the counter electrode, wherein the powder compact comprises the conductive powder containing a conductive polymer and a conductive material other... Agent: Lahive & Cockfield, LLP

20070205673 - Linear motor: An armature 10 is constituted from an armature core main portion 19 and first magnetic pole constituent components 21A to 21C. The armature main core portion 19 comprises second magnetic pole portions 25A to 25D which are not wound with a winding conductor and magnetic pole connecting sections 27, and... Agent: Rankin, Hill, Porter & Clark LLP

20070205674 - Voice coil motor and method of using the same for displacement control: The present invention proposed a voice coil motor and a method of using magnetic restoring force for displacement control. The voice coil motor comprises a magnetic member and an electric member. The magnetic member generates a magnetic field. The electric member includes at least a coil and a ferromagnetic component.... Agent: Sinorica, LLC

20070205676 - Fan, motor and impeller thereof: An impeller, which is driven by a stator, includes a conducting shell, a hub and a plurality of blades. The conducting shell covers at least one side of the stator. The hub covers the conducting shell. At least one air gap is formed between the hub and the stator. A... Agent: Birch Stewart Kolasch & Birch

20070205678 - Rotary electric machine: A rotary electric machine comprising a stator body (ST in FIG. 1) which includes a winding configured of a plurality of coils (2), and a power supply section (PS) which includes conductive members (4, 5 and 6) for connecting the coils (2) to one another, and a holding member (11)... Agent: Sughrue Mion, PLLC

20070205680 - Electric motor and electric power steering apparatus: An electric motor having a rotation shaft includes a motor housing into which the electric motor is accommodated, at least one pair of rolling bearings positioned in the motor housing and rotatably supporting both ends of the rotation shaft, and a displacement restriction member provided inside the motor housing and... Agent: Arent Fox PLLC

20070205672 - Linear motor and manufacturing method of linear motor: In the linear motor 1, which is provided with a pipe shaped member 11, a stator 10 including the pipe shaped member 11 and a plurality of magnets 12, both being accommodated in the stator 10 in such a manner that the plurality of magnets 12 are aligned in a... Agent: Cantor Colburn, LLP

20070205675 - Field pole members and methods of forming same for electrodynamic machines: A method, apparatus, article of manufacture and system for producing a field pole member for electrodynamic machinery are disclosed to, among other things, reduce magnetic flux path lengths and to eliminate back-iron for increasing torque and/or efficiency per unit size (or unit weight) and for reducing manufacturing costs. For example,... Agent: Kokka & Hsu, PC

20070205677 - Dynamo-electric machine: The invention prevents a temperature in an end portion of a stator iron core from becoming excessively high due to a heat generated in the end portion of the stator iron core of a turbine generator. In a dynamo-electric machine provided with a stator constituted by a stator iron core,... Agent: Crowell & Moring LLP Intellectual Property Group

20070205679 - Brushless motor: This brushless motor includes: stators respectively having wires and cores around which the wires are respectively wound; a housing which houses the stators; a rotor rotatably attached to the housing; and a bracket having conductive bodies to which terminal leading lines of the wires are respectively connected and an insulating... Agent: Kenyon & Kenyon LLP

20070205681 - Apparatus for transferring torque magnetically: An apparatus for transferring torque magnetically with a primary rotary member and a secondary rotary member. The primary rotary member has permanent magnets mounted circumferentially on a cylinder, the secondary rotary member having a cylindrical geometry with electroconductive material arranged on its outer periphery and parallel to the axes of... Agent: The Miller Law Offices, PLC

20070205683 - Electric motor: This electric motor is provided with an inner periphery side rotor, an outer periphery side rotor, and a rotating device that can change a relative phase between these rotors by rotating at least one of them about a rotational axis thereof. The rotating device is provided with a first member... Agent: Arent Fox PLLC

20070205684 - Electric motor: This electric motor is provided with: an inner periphery side rotor provided with inner peripheral permanent magnets with unlike poles, which are disposed alternately along a circumferential direction; an outer periphery side rotor provided with outer peripheral permanent magnets with unlike poles, which are disposed alternately along a circumferential direction,... Agent: Arent Fox PLLC

20070205682 - Dual rotor type motor: Abstract: A dual rotor type motor of the present invention is disclosed. The dual rotor type motor according to the present invention includes a shaft rotatably provided in a motor securing part; a rotor assembly rotated with a center thereof fastened to the shaft, the rotor assembly comprising an outer... Agent: Ked & Associates, LLP

20070205685 - Motor: A motor has a field body having a number of field poles and an armature body having a number of coils which is placed outside of the above described field body in the radial direction. A commutator secured to the armature body has a number of segments to which the... Agent: Carstens & Cahoon, LLP

20070205686 - Rotor of rotating electric machine: A stainless plate is attached to overlie a magnetic steel plate. An upper portion of a through-hole for inserting a magnet is covered with the stainless plate. Thereby, adhesion between the magnetic steel plate and an end plate with an adhesive for fixing a permanent magnet is prevented. Since an... Agent: Kenyon & Kenyon LLP

20070205687 - Permanent magnet synchronous motor: The present invention provides a permanent-magnet-synchronous-motor having a stator with concentrated windings with the following structure so that permanent magnet (6) is hard to subjected to demagnetization magnetic field: 0.3 Lg<La≦2.0 Lg, where La is a clearance between teeth of stator (1), and Lg is an air-gap between stator (1)... Agent: Wenderoth, Lind & Ponack L.L.P.

20070205688 - Permanent magnet synchronous motor: The present invention provides a permanent-magnet-synchronous-motor having a stator with concentrated windings with the following structure so that permanent magnet (6) is hard to subjected to demagnetization magnetic field: 0.3 Lg<La≦2.0 Lg, where La is a clearance between teeth of stator (1), and Lg is an air-gap between stator (1)... Agent: Wenderoth, Lind & Ponack L.L.P.

20070205689 - Electric motor: In an electric motor 100, a rotor 1 is divided into four rotor pieces 3, 4, 5, and 6 for an axial length of 2L of one group of the rotor core, and for example, the four rotor pieces 3, 4, 5, and 6 are ideally 0.29L, 0.71L, 0.71L, and... Agent: Crowell & Moring LLP Intellectual Property Group

20070205690 - Composite mode transducer and cooling device having the composite mode transducer: A composite mode transducer for dissipating heat generated by a heat generating element is disclosed. The composite mode transducer includes a transducing module and connection elements. The transducing module includes first and second transducing elements connected in parallel. The connection elements are connected to resonance nodes of the first and... Agent: Birch Stewart Kolasch & Birch

20070205692 - Multilayer ceramic substrate, method for making the same, and composite green sheet for making multilayer ceramic substrate: A multilayer ceramic substrate includes a base material layer including an aggregate of first particles containing a crystallized glass material and a first ceramic material, a constraining layer including an aggregate of second particles containing a second ceramic material that does not sinter at a temperature at which the crystallized... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070205691 - Power generating device and tire provided therewith: An object of the present invention is to provide a power generating device which makes it possible to easily generate electric power in a rotating system, such as a wheel including a tire, without impairing the performance and reliability of the rotating system. In the case where the power generating... Agent: Knobbe Martens Olson & Bear LLP

20070205693 - Communication device: Herein disclosed is a communication device which includes: a piezoelectric element having a structure formed by laminating piezoelectric substances and electrodes; obtaining means for obtaining acoustic data superimposed on a quasi-electrostatic field formed on a living body from the electrode of the piezoelectric element; and driving means for driving the... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070205694 - Method of optimizing drive frequency for piezo fan device: For tuning a piezo electric fan, a controller measures a natural frequency of the piezo electric fan by applying a stress and measuring a response to the stress. A frequency of an alternating current (AC) input signal is adjusted by the controller to substantially match the natural frequency. The adjusted... Agent: Haynes And Boone, LLP

20070205695 - Apparatus, circuitry, signals, probes and methods for cleaning and/or processing with sound: The invention utilizes single and multiple frequency ultrasound generators driving single and multiple frequency resonant and harmonic transducer arrays at frequencies into the megasonic range. Generator signals that increase cavitation efficiency improve the performance of the cleaning, microbiological inactivation, sonochemistry or processing systems.... Agent: Mark G. Lappin Foley & Lardner LLP

20070205696 - Vibroswitch for flickering shoes: The present invention provides a vibro-switch for flickering shoes, which typically includes a plastic shell comprising of a hood and a hood pad enclosing a cylindrical cavity; disk cooper sheet attached with a piezoelectric ceramics chip on the bottom side is suspended in the cylindrical cavity of said closed hood... Agent: Charles E. Baxley, Esq.

20070205697 - Ultrasonic matching layer and transducer: In one aspect, matching layers for an ultrasonic transducer stack having a matching layer comprising a matrix material loaded with a plurality of micron-sized and nano-sized particles. In another aspect, the matrix material is loaded with a plurality of heavy and light particles. In another aspect, an ultrasound transducer stack... Agent: Needle & Rosenberg, P.C.

20070205698 - Ultrasonic matching layer and transducer: In one aspect, matching layers for an ultrasonic transducer stack having a matching layer comprising a matrix material loaded with a plurality of micron-sized and nano-sized particles. In another aspect, the matrix material is loaded with a plurality of heavy and light particles. In another aspect, an ultrasound transducer stack... Agent: Needle & Rosenberg, P.C.

20070205699 - Heat efficient micromotor: An electromechanical actuator comprises at least two actuating portions of electromechanically active material extending by a generally elongated shape from a back portion. The actuating portions are bimorphs, attached by a first end to a first side of the back portion and positioned parallel to each other one after the... Agent: Young & Thompson

20070205700 - Multi-layer piezoeletric element: To provide a multi-layer piezoelectric device having excellent durability in which the amount of displacement does not change even when the piezoelectric actuator is subjected to continuous operation over a long period of time under a high voltage and a high pressure, the multi-layer piezoelectric device comprises a stack formed... Agent: Hogan & Hartson L.L.P.

20070205701 - Piezoelectric polymer composite article and system: The subject invention provides composite articles (20, 120) and associated systems (32, 132). A first composite article (20) includes a piezoelectric layer (22) having a piezoelectric property. The piezoelectric layer (22) is sandwiched between a first conductive layer (28) and a second conductive layer (30). At least one of the... Agent: Basf Aktiengesellschaft