Electrical generator or motor structure inventions 10/07

20070247010 - Motor: A motor includes a circuit board having a bottom facing surface and a plurality of connecting land portions provided thereon. The circuit board includes a through hole for allowing a wire to extend therethrough. An attachment board makes contact with the bottom facing surface of the circuit board. The attachment... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20070247007 - Magnetic micropositioner and method of providing the same: A micropositioner is provided, which contains an outer magnetic pole-piece and an inner magnetic pole-piece located within the outer magnetic pole piece. At least one permanent magnet is located between the inner magnetic pole piece and the outer magnetic pole-piece. At least one coil is located between the inner magnetic... Agent: Sheehan Phinney Bass & Green, PA C/o Peter Nieves

20070247008 - Linear motor and attraction force cancel type linear motor: A linear motor includes: a mover part including an armature module having an I shaped magnetic iron core (1) and an armature winding (2) of one kind wound on the periphery of the I shaped magnetic iron core (1) through an insulating resin (3), a non-magnetic material holder (4) on... Agent: Sughrue Mion, PLLC

20070247009 - Motor blower unit: A blower assembly comprises a blower housing having a stator assembly integrally formed therewith. The stator assembly includes a stator bore having a rotor magnet rotatable therewithin such that the motor assembly is configured as a brushless D.C. motor. An impeller is mounted on a motor shaft of the motor... Agent: Stetina Brunda Garred & Brucker

20070247011 - Automotive tandem alternator having reduced axial length and improved structure for effectively dissipating heat generated by rectifiers: According to the invention, a tandem alternator includes a rotary shaft, a first and a second power generation unit arranged in tandem in the axial direction of the rotary shaft, a housing accommodating the power generation units and having a plurality of air holes formed through a front end wall... Agent: Oliff & Berridge, PLC

20070247012 - Rotor of electric motor for simplifying manufacturing process and electric motor having the same: A rotor of an electric motor includes lamination core formed by laminating a plurality of individual cores, and at least one pair of magnet members that generate rotating torque by electromagnetic interaction with a stator, are provided at the lamination core such that a magnetic sensor can sense magnetic flux,... Agent: Greenblum & Bernstein, P.L.C

20070247013 - Aerodynamic insert for high speed permanent magnet motor: An insert comprising a lightweight structure configured for filling the gaps between axially spaced C-shaped lamination stacks and circumferentially spaced non-magnetic cradles on a permanent magnet rotor. The insert is secured to a rib by a dovetail tongue that fits within a dovetail groove provided along the length of each... Agent: The Webb Law Firm, P.C.

20070247014 - Communicator motor having number of field winding groups: A commutator motor, which has a series excitation or shunt excitation and which, in particular, is suited for use as a drive motor for a washing drum of a laundry treatment device. The stator of a commutator motor of this type has a number of field winding groups with field... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20070247015 - Rotor having lobed bore and method of assembling same: A rotor for a motor includes a plurality of laminations. Each lamination includes a central opening having an outer surface. The outer surface is defined by a continuous non-circular curve. A shaft includes a cylindrical portion configured to engage the outer surface. The cylindrical portion is sized to define an... Agent: Michael Best & Friedrich LLP

20070247016 - Automotive tandem alternator having high efficiency and improved arrangement of regulator: According to the invention, a tandem alternator includes a rotary shaft, a first and a second power generation unit that are arranged in tandem in the axial direction of the rotary shaft, a housing, a slip ring-brush mechanism provided around a rear end portion of the rotary shaft, and a... Agent: Oliff & Berridge, PLC

20070247017 - Axial-flux, permanent magnet electrical machine: An axial flux, permanent magnet electrical machine is disclosed. The machine has at least one stator disc and at least one rotor disc co-axial with the stator disc and mounted for rotation relative to the stator disc. The rotor has a plurality of permanent magnets mounted circumferentially thereon, and the... Agent: Drinker Biddle & Reath Attn: Intellectual Property Group

20070247018 - Electrostatic actuation method and electrostatic actuator with integral electrodes for microelectromechanical systems: providing at least a second electrode (20, 20′) also integral to the same movable part (100) of the micro-electromechanical system, there being a gap (40) between said first and second electrodes, where said first and second electrodes are electrically isolated from each other using an electrically non-conductive material (30), inducing... Agent: Harness, Dickey & Pierce, P.L.C

20070247019 - Surface acoustic wave excitation device: The surface acoustic wave excitation device according to the present invention comprises a non-piezoelectric member 30 such as glass, a piezoelectric member 20, interdigital transducers 11 interposed between the non-piezoelectric member 30 and the piezoelectric member 20, and pre-pressurizing means 42 for pressing the piezoelectric member 20 onto the non-piezoelectric... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070247020 - Surface acoustic wave device and environmental difference detecting apparatus using the surface acoustic wave device: A surface acoustic wave device includes a three-dimensional substrate having an annular curved surface enabling to propagate a surface acoustic wave, and an electro-acoustic transducing element, which excites and propagates the surface wave along the surface, and receives the propagated surface wave. The substrate is made of a Li2B4O7, Bi12SiO2O,... Agent: Staas & Halsey LLP

20070247021 - Surface acoustic wave device and environmental difference detecting apparatus using the surface acoustic wave device: A surface acoustic wave device includes a three-dimensional substrate having an annular curved surface enabling to propagate a surface acoustic wave, and an electro-acoustic transducing element, which excites and propagates the surface wave along the surface, and receives the propagated surface wave. The substrate is made of a Li2B4O7, Bi12SiO20,... Agent: Staas & Halsey LLP

20070247022 - Surface acoustic wave device and environmental difference detecting apparatus using the surface acoustic wave device: A surface acoustic wave device includes a three-dimensional substrate having an annular curved surface enabling to propagate a surface acoustic wave, and an electro-acoustic transducing element, which excites and propagates the surface wave along the surface, and receives the propagated surface wave. The substrate is made of a Li2B4O7, Bi12SiO20,... Agent: Staas & Halsey LLP

20070247023 - Drive apparatus: A drive apparatus includes an ultrasonic motor that rotates by an electromechanical transducer element, and generates an intermittent signal that outputs an alternating signal without change only during ON times of a pulse signal as a driving signal for the ultrasonic motor. A voltage is applied to the ultrasonic motor... Agent: Sidley Austin LLP

20070247025 - Piezoactuator: a piezoactuator having at least one outer surface comprises a multilayer structure of at least one piezoelectric ceramic layer and at least two electrodes, with the at least one outer surface of the piezoactuator being coated with a passivation material.... Agent: Delphi Technologies, Inc.

20070247026 - Piezoelectric actuator and manufacturing method thereof, liquid ejecting head, and image forming apparatus: A piezoelectric actuator is disclosed. The piezoelectric actuator includes a base member and three or more piezoelectric element members in which plural piezoelectric elements are formed by slits. The three or more piezoelectric element members are arrayed in a line on the base member and a gap is formed at... Agent: Cooper & Dunham, LLP

20070247024 - Smart material actuator: A smart material actuator wherein one or more smart material devices are constrained in a frame such that expansion or contraction of the frame effects movement of side frame members away from or towards one another. The side frame members are constrained such that such movement away from or towards... Agent: Don W. Bulson (parker Hannifin) Renner, Otto, Boisselle & Sklar, LLP

20070247027 - Electric connection and electric component: An electric connection and an electric component, the electric component comprising connectors for connecting the electric component. The connectors are formed of a first and a second electrically conductive laminar conductor, which are placed opposite each other and isolated from one another with an insulator, whereby the electric component is... Agent: Buchanan, Ingersoll & Rooney PC

20070247028 - High temperature piezo buzzer: A piezoelectric buzzer includes a vibrating layer capable of withstanding temperatures in excess of 260° C. for at least five minutes while still maintaining its ability to vibrate and produce a buzzing sound at a level of at least 80 dB, and a high temperature piezoelectric material having a Curie... Agent: Woodard, Emhardt, Moriarty, Mcnett & Henry LLP

20070247029 - Piezoelectric device: A piezoelectric device includes: a piezoelectric element; a piezoelectric element package containing the piezoelectric element; a connecting terminal disposed on the bottom of the piezoelectric element package; a circuit element connected to the bottom of the piezoelectric element package; a insulating resin portion covering the circuit element; and an external... Agent: Oliff & Berridge, PLC

20070247030 - Piezoelectric oscillator: A piezoelectric oscillator includes: a package including a first recessed portion formed on a first surface, a second recessed portion formed on a second surface with at least a part of a side surface being open, and a conductor wired from at least one of an inside surface of the... Agent: Oliff & Berridge, PLC

20070247031 - Piezoelectric actuator: A piezoelectric actuator that can be operated in the d31 mode and which controls the potential energy of a spring is disclosed. The d31 mode of operation provides large actuator displacement and the potential energy of the spring significantly increases the force and work produced by the actuator. In a... Agent: James A. Hudak, Esq.

20070247032 - Crystal device and method for manufacturing crystal device: An object of the present invention is to provide a crystal device that has stable vibration characteristics and that offers high reliability and high accuracy. The crystal device includes a first major face, which contains a portion of a base and a portion of a vibrating prong within a single... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070247033 - Embedded electroactive polymer structures for use in medical devices: Medical devices or components thereof having electroactive polymer actuators embedded within at least a portion of the device of component thereof, and novel electroactive polymer actuators formed with a conductive substrate layer and an electroactive polymer layer, the electroactive polymer actuated upon application of a voltage to surrounding liquid electrolyte,... Agent: Vidas, Arrett & Steinkraus, P.A.

20070241620 - Moving coil type linear actuator system: A moving coil type linear actuator system which can stably and linearly control a relatively large load despite using relatively low electric force applied to a coil unit, thus enhancing control accuracy and preventing energy loss.... Agent: Morgan, Lewis & Bockius LLP (sf)

20070241643 - Axial fan motor: An axial fan motor comprising: a fan having a rotating shaft and composed of a hub and a plurality of vanes provided around the hub, the fan rotating to generate an air flow; a stator substrate set comprising a stator core, which drives the fan, an insulator, and a substrate;... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070241644 - Single-phase motor: A single-phase motor comprising a rotor magnet, a stator core having salient poles, and a coil wound around the stator core, a rising portion and a falling portion of a voltage applied to the coil have different inclinations, wherein the salient pole is separated into three angle portions, a radius... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070241626 - Vibration motor: A vibration motor having a tubular case, a shaft protruding from a front end of the case, a weight eccentrically fixed to an end of the shaft, and a metallic holder surrounding the case, the holder being surface-mounted on a wiring board by reflow-soldering, wherein the holder has a planate... Agent: Beyer Weaver LLP

20070241621 - Reciprocating motor: A reciprocating motor including a piston operatively connected with a magnet unit, a cylinder having an open end to receive the piston and having a groove formed at a circumference along an outer surface thereof near the open end, a stator assembly positioned around the cylinder and cooperating with the... Agent: Birch Stewart Kolasch & Birch

20070241622 - Power magnetic core and stator core: A power magnetic core has a start section and a termination section. In the powder magnetic core, lines of magnetic force are formed from the start section to the termination section. The powder magnetic core comprises a first portion disposed on the shortest magnetic path of the lines of magnetic... Agent: Mcdermott Will & Emery LLP

20070241623 - Wind driven electric generator apparatus: A wind driven electric generator apparatus includes a pair of wind-driven, counter-rotating propeller units placed back to back with each other. A first power transmission system is connected to the pair of counter-rotating propeller units for converting wind energy into mechanical energy. A second power transmission system is connected to... Agent: S. Michael Bender

20070241624 - Electrical machine: An electrical machine has an armature with armature grooves for accommodating an armature winding and which is non-rotatably supported on an armature shaft, wherein at least one heat-conducting element is provided in the region of at least one end face of the armature.... Agent: Striker, Striker & Stenby

20070241625 - Brushless motor: A brushless motor includes: a housing; a bracket which covers over an opening of the housing; a resolver case which houses a resolver stator of a resolver, and which is attached to the bracket; claw portions which are respectively provided with adjusting claws extending along a direction substantially parallel to... Agent: Kenyon & Kenyon LLP

20070241627 - Lubricant cooled integrated motor/compressor design: A compressor system according to the present invention utilizes direct rotational input from a permanent magnet motor to generate compressed air. The permanent magnet motor is mounted directly to an air screw compressor. The rotational input is provided by the permanent magnet motor to the air screw compressor without a... Agent: Carlson, Gaskey & Olds, P.C.

20070241628 - Permanent magnet dynamoelectric machine with axially displaceable permanent magnet rotor assembly: A dynamoelectric machine comprises: a stator that comprises a plurality of stator poles arranged around a stator surface of revolution with a stator axis for the stator surface of revolution; at least one rotor that comprises a plurality of permanent rotor magnets arranged around a rotor surface of revolution with... Agent: Hamilton Sundstrand Corporation

20070241629 - Electric machine, stator assembly for an electric machine, and method of manufacturing the same: A stator for a motor having a rotor includes a plurality of laminations each formed in a first elongated arrangement. Each lamination includes a first leg, a second leg, and an intermediate portion that are configured to be rearranged and stacked in a stackwise direction to define a core having... Agent: Michael Best & Friedrich LLP

20070241630 - Stator for an electric motor and assembly method: The apparatus of the present invention provides a stator for an electric motor. The apparatus includes a plurality of stator components assembled together to form a generally annular stator core. A wire is wrapped around at least a portion of the stator core to form a stator winding. A first... Agent: Christopher Devries General Motors Corporation

20070241631 - Brush holder for an electrical machine: The present invention relates to a brush holder for an electrical machine, including a housing for receiving a brush, a prestressing element, and a securing element disposed on the housing, for securing the brush holder to the electrical machine. The securing element is embodied as essentially T-shaped.... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070241632 - Tandem ac generator for vehicle and method of producing brush assembly thereof: A brush holder in a tandem vehicle alternator for a vehicle is composed mainly of a primary brush holder and a secondary brush holder accommodating plural brushes, respectively. The primary and secondary brush holders are independently formed. During a step of producing a brush assembly and of mounting the brush... Agent: Oliff & Berridge, PLC

20070241633 - Automotive tandem alternator having reduced axial length and capable of effectively suppressing magnetic leakage: According to the invention, a tandem alternator includes a rotary shaft, a first and a second field arranged in tandem on the rotary shaft, and a first and a second armature arranged in tandem in the axial direction of the rotary shaft. The first armature is provided on an outer... Agent: Oliff & Berridge, PLC

20070241634 - Reduction of harmonics in an electric motor: In the present invention the positions of the slots or poles of the stator of an electric motor are changed in order to reduce the harmonics caused by the stator winding and any vibration caused by these harmonics. In the present invention a shape function is defined according to the... Agent: Birch Stewart Kolasch & Birch

20070241635 - Apparatus comprising a thermal bimorph with enhanced sensitivity: A thermal bimorph that exhibits improved layer adhesion and an enhanced bending response is disclosed. The thermal bimorph incorporates corrugations that extend fully through the bimorph to its two major surfaces. In some embodiments, the thermal bimorph is asymmetrically corrugated.... Agent: Demont & Breyer, LLC

20070241636 - Mems device using an actuator: A MEMS includes an actuator, first and second electrodes, and a fixed shaft. The actuator is provided above a substrate. The actuator has one end and the other end. The one end of the actuator is coupled relative to the substrate. The first electrode is arranged at a position facing... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070241637 - Layered surface acoustic wave sensor: A surface acoustic wave sensor which incorporates: a) a first layered SAW device consisting of a piezoelectric crystal such as lithium niobate or lithium tantalate with interdigital electrodes on its surface, and second piezoelectric layer such as zinc oxide over said interdigital electrodes b) a second layered SAW device consisting... Agent: Connolly Bove Lodge & Hutz LLP 1990 M Dtreet N.w.

20070241638 - Surface acoustic wave device and environmental difference detecting apparatus using the surface acoustic wave device: A surface acoustic wave device includes a three-dimensional substrate having an annular curved surface enabling to propagate a surface acoustic wave, and an electro-acoustic transducing element, which excites and propagates the surface wave along the surface, and receives the propagated surface wave. The substrate is made of a Li2B4O7, Bi12SiO20,... Agent: Staas & Halsey LLP

20070241639 - Surface acoustic wave device and environmental difference detecting apparatus using the surface acoustic wave device: A surface acoustic wave device includes a three-dimensional substrate having an annular curved surface enabling to propagate a surface acoustic wave, and an electro-acoustic transducing element, which excites and propagates the surface wave along the surface, and receives the propagated surface wave. The substrate is made of a Li2B4O7, Bi12SiO20,... Agent: Staas & Halsey LLP

20070241640 - Inertial drive actuator: An inertial drive actuator includes a vibrating substrate configured to be reciprocally moved by small reciprocally displacements generated by a displacement generating unit arranged on a fixing member. The vibrating substrate has a first electrode on a plane of the vibrating substrate and an insulating layer on the first electrode.... Agent: Scully, Scott, Murphy & Presser

20070241641 - Actuator and method of manufacturing actuator module: An object of the present invention is to provide a thin and light-weight actuator module structure comprising a multi-layer structure such as a bimorph or unimorph structure that can be formed in an arbitrary shape and deformed in an arbitrary direction, which is high in safety and durability and can... Agent: Stanley P. Fisher Reed Smith LLP

20070241642 - Piezoelectric material and piezoelectric device: A piezoelectric material is expressed by a general formula (1) as follows: (Bi1−xBax)(Fe1−xTix)O3 . . . (1), where x is greater than 0, but smaller than 1(0<x<1).... Agent: Harness, Dickey & Pierce, P.L.C

20070236088 - Vibrator: A vibrator has a cup-shaped casing, a substrate provided to close an upper end opening of the casing, a magnetic circuit assembly provided in the casing, a first suspension and a second suspension that support the magnetic circuit assembly from above and below, and a voice coil secured to the... Agent: Brinks Hofer Gilson & Lione

20070236089 - Solenoid and pump using the same: The solenoid is capable of generating great thrust and having broad-ranging thrust characteristics. The solenoid of the present invention comprises: a guide pipe formed into a cylindrical shape and provided inside of an excitation coil; a movable element having a small diameter section and a large diameter section; a first... Agent: Birch Stewart Kolasch & Birch

20070236091 - Rotor unit, bearing mechanism, motor, and data storage disk drive device: In bearing mechanism for a motor spinning a storage disk about a center axis, an interference-fit portion of a shaft is interference-fitted into a through hole of a bushing from an axial lower side thereof such that the shaft is fixed to a rotor hub. The interference-fit portion of the... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20070236090 - Secondary part of an electrical machine: A secondary part of an electric machine has a toothed profile, with at least one tooth being unlaminated. The at least one tooth is made of at least two materials, wherein the at least one tooth forms a cavity which is filled with an iron-containing material representing one of the... Agent: Henry M Feiereisen, LLC

20070236092 - 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

20070236093 - Magnetoelectric generator: A magnetoelectric generator according to the present invention includes: a bowl-shaped flywheel that rotates around an axis of rotation; a permanent magnet unit that is fixed to an inner circumferential wall surface of the flywheel and in which adjacent permanent magnets are linked by means of a linking member; a... Agent: Sughrue Mion, PLLC

20070236094 - Methods and apparatus for using an electrical machine to transport fluids through a pipeline: An electrical machine to facilitate transporting fluids through a pipeline is provided. The electrical machine includes a rotor assembly that further includes an array of magnets configured to generate a distributed magnetic field. The rotor assembly has corrosion-resistant features that facilitates mitigating deleterious effects to the rotor assembly while being... Agent: John S. Beulick (17851)

20070236095 - Electric motor apparatus: A DC electric motor apparatus includes a stationary magnet set which includes an outer, hollow-cylindrical stationary magnet set portion and an inner, solid-cylindrical stationary magnet set portion centrally located inside the outer, hollow-cylindrical stationary magnet set portion, wherein an armature-nesting space is located between the outer, hollow-cylindrical stationary magnet set... Agent: S. Michael Bender

20070236096 - Carbon brush holder device: A motor (2) includes a carbon brush holder device (16) for reversing the rotating direction of the motor (2) and which has a brush holder (18) which is rotatable relative to the stator (8) of the motor (2) in clockwise running position and counterclockwise running position, two carbon brush guides... Agent: Abelman, Frayne & Schwab

20070236097 - Fuel pump: A fuel pump includes a pump unit, a motor unit, a brush, and a pigtail. The pump unit boosts a pressure of fuel that is drawn into the fuel pump. The motor unit has an armature that rotates and a commutator that rectifies electric current, which is supplied to the... Agent: Nixon & Vanderhye, PC

20070236098 - Vehicle alternator: A tandem vehicle alternator has dual electrical power generation units. Each generation unit has a Lundel type rotor core and a stator coil. The Lundel type rotor cores are arranged in a tandem arrangement in the vehicle alternator. Each stator coil is composed of sequential segment joining type stator coils.... Agent: Oliff & Berridge, PLC

20070236099 - Method of making integrated stator, brushless direct-current motor of radial core type double rotor structure using the integrated stator, and method of making the same: Provided are a radial core type brushless direct-current (BLDC) motor and a method of making the same, having an excellent assembly capability of division type stator cores in a double rotor structure BLDC motor. The BLDC motor includes a rotational shaft, an integrated double rotor including an inner rotor and... Agent: Rosenberg, Klein & Lee

20070236100 - Streamlined body wedge blocks and method for enhanced cooling of generator rotor: Body wedge blocks are provided adjacent the end of the rotor body that have a forward facing axial end that is aerodynamically streamlined. Thus, between adjacent body wedge blocks a flow passage for cooling air is created that allows gradual contraction of the flow from the endwinding region toward the... Agent: Nixon & Vanderhye P.C.

20070236101 - Driving apparatus: A driving apparatus comprises: an electro-mechanical conversion element; a driving member that drives backwards and forwards in a straight line in response to extension and contraction of the electro-mechanical conversion element which are brought about by a drive signal being supplied thereto; a driven member, frictionally engaged with the driving... Agent: Birch Stewart Kolasch & Birch

20070236102 - Piezoelectric actuator and head assembly using the piezoelectric actuator: A head assembly includes a suspension having a gimbal, a flexible printed wiring sheet having a plurality of conductor patterns and adhered to the suspension, first and second piezoelectric actuators mounted on the gimbal, and a head slider mounted on the first and second piezoelectric actuators. The first and second... Agent: Kratz, Quintos & Hanson, LLP

20070236103 - Method for controlling an ultrasonic unit of an ultrasonic cleaning system: The invention relates to a method for controlling an ultrasonic unit f an ultrasonic cleaning system with at least one control unit, one generator unit and one hand-held unit containing the ultrasonic unit and one switching module provided for starting the ultrasonic unit, wherein mechanical oscillations can be generated via... Agent: Hoffman Wasson & Gitler, P.c Crystal Center 2, Suite 522

20070236104 - Piezoelectric device, process for producing the piezoelectric device, and inkjet recording head: A process for producing a piezoelectric device constituted by a first electrode, at least one second electrode, and a piezoelectric film sandwiched between the first electrode and the at least one second electrode so that an electric field can be applied to the piezoelectric film. First, a seed layer of... Agent: Birch Stewart Kolasch & Birch

20070236105 - Oscillator and method of manufacture: An oscillator includes at least one of: (i) a parallel array of resistors (420, 421, 422, 701, 801, 901, 902) or magnetoresistive contacts to a magnetoresistive film (120, 320); and (ii) a series array of resistors (620, 621, 702, 902) or magnetoresistive contacts to individualized areas of at least one... Agent: George C. Chen Bryan Cave LLP

20070236106 - Piezoelectric vibrator: Provided is a piezoelectric vibrator that can finely drive a device by generating an elliptical motion using a combination of a longitudinal vibration and a flexural vibration. The piezoelectric vibrator can also provide high efficiency and be manufactured at low cost by using a simpler structure. The piezoelectric vibrator includes... Agent: Lowe Hauptman Ham & Berner, LLP

20070236108 - Piezoelectric element: Provided is a piezoelectric element including a monolithic piezoelectric substrate that can prevent not only migration between internal electrodes, but also deterioration resulting from a decrease in the degree of polarization even when temperature changes are repeatedly applied to the piezoelectric element. A piezoelectric element 1, in which a first... Agent: Dickstein Shapiro LLP

20070236107 - Stacked piezoelectric element and vibration wave driving apparatus: A stacked piezoelectric element comprising a driving unit and a non-driving unit, and a vibration wave driving apparatus, which are capable of suppressing occurrences of deformation, particularly warping, that are generated during firing and polarization of the stacked piezoelectric element. A driving unit has a first conductive layer and a... Agent: Rossi, Kimms & Mcdowell LLP.

20070228847 - High speed electric motor: Provided is a high speed electric motor including a stator installed at an inner circumferential surface of a motor housing; and a rotor installed inside the rotor to form a rotational magnetic field by application of a current to the stator, and having a cooling passage through which fluid flows... Agent: Greenblum & Bernstein, P.L.C

20070228848 - Stator for an electrical machine: A stator for an electrical machine includes a flux return ring, a stator winding, and stator teeth located equidistantly along the flux return ring for accommodating the stator winding, wherein the flux return ring includes cooling elements.... Agent: Striker, Striker & Stenby

20070228898 - Brushless electric machine with stator with cascaded end loops: Disclosed herein is a brushless electric machine comprising, a housing, a stationary field coil, a shaft, a bearing, a pole segment, and a stator. The stator including a core having a plurality of core slots that extend between a first and a second end of the stator core. The stator... Agent: Cantor Colburn, LLP

20070228850 - Alternator for vehicle: An alternator for a vehicle has a regulator disposed in a casing so as to be exposed from a window of the casing, an input harness and an output harness disposed outside the casing, and an insulating bush disposed between an output terminal and the casing. The regulator controls generation... Agent: Oliff & Berridge, PLC

20070228851 - Ultra-slim spindle motor: The present invention provides a spindle motor 100, which comprises a bearing 115 for rotatably supporting a rotating shaft 151, a bearing holder 113 for securely holding the bearing 115 therein, a base 111 for securely supporting the bearing holder 113 thereon, a thrust washer 119 aligned at the upper... Agent: Staas & Halsey LLP

20070228852 - Magnetically-levitated telescopic land indicator: A magnetically-levitated telescopic land indicator comprises a sleeve having an end surface; the end surface having an opening; a seat combined to the sleeve so as to form an inner space for receiving other elements; a magnetic levitated telescopic cylinder installed to the downward concave portion of the seat; the... Agent: Chiang Tsai-jung

20070228844 - Alignment apparatus and exposure apparatus using the same: An alignment apparatus which generates driving forces with six degrees of freedom between stator coils and movable element magnets to implement high-accuracy position and posture control has movable element magnets (114) which are arrayed in a plate-like plane of the movable element in accordance with an array cycle and are... Agent: Fitzpatrick Cella Harper & Scinto

20070228845 - Process for producing self-assembled rare earth-iron bonded magnet and motor utilizing the same: The present invention provides a method for manufacturing a self-organized rare earth-iron bonded magnet, including: a first step of covering a rare earth-iron magnet powder with oligomer or prepolymer in which one molecule includes at least two or more reactive ground substances to provide a surface-treated magnet powder; a second... Agent: Mcdermott Will & Emery LLP

20070228846 - Cooling of stator windings: An arrangement for cooling an electric motor's stator winding coil is described. One area of a conductor insulation is removed to expose the copper conductor. The conductor is wound into a coil with bared, exposed conductor areas facing inward. The vertical edges of a slot or recess in an iron... Agent: Clyde I. Coughenour

20070228849 - 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

20070228855 - Power transmission system: A pair of inner magnets coupled to a driven side is located between a pair of outer magnets coupled to a driving side so as to face the pair of outer magnets 1 in non-contact relationship with the outer magnets 1. Rotation of the outer magnets 1 coupled to the... Agent: Richard P. Berg Ladas & Parry

20070228853 - 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

20070228854 - 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

20070228856 - Efficiency magnetic motor: A magnetic motor includes a rotating component having at least one magnet arranged on at least one spoke or rotating disc. The magnetic motor also includes a coil disposed adjacent to the rotating component and configured to generate an electromagnetic field. The magnet is aligned on the spoke or rotating... Agent: Foley And Lardner LLP Suite 500

20070228857 - Apparatus for converting magnetic force to rotational torque: An efficient system for converting the energy associated with moving magnetic fields into a rotational torque. The system includes at least two stationary magnetic ribbons, each arranged in a generally semi-circular configuration and positioned about a central axis. A fixed hub assembly is positioned on the central axis. A rotating... Agent: Kammer Browning PLLC

20070228858 - Rotor for an electric machine: The object of the invention is a rotor for an electrical machine (2) formed from layered sheets (5, 22) essentially perpendicular to the rotor's axis of rotation. According to the invention, the rotor comprises at least one first sheet pack (4) that is located close to the central axis of... Agent: Buchanan, Ingersoll & Rooney PC

20070228859 - Gapped motor with outer rotor and stationary shaft: A gapped motor produces higher torque than existing one or two gap motors. The motor uses both one radial and one axial gap or two axial gaps to produce torque. A single stator is provided with an essentially U-shaped rotor shell having permanent magnets with back iron. The stator has... Agent: Clyde I. Coughenour

20070228860 - Three-gapped motor with outer rotor and stationary shaft: A motor with three gaps produces higher torque than existing one or two gap motors. The motor uses both one radial and two axial gaps to produce torque. A single stator is provided with an essentially “U” shaped rotor shell having permanent magnets with back iron. The stator has loops... Agent: Clyde I. Coughenour

20070228861 - Electrical rotary machine and electromagnetic apparatus: A permanent magnet rotor (FIG. 2) includes a rotor core (41) and permanent magnets (5). The permanent magnet rotor is also formed with grooves (6) in order to reduce mangetic flux leakage.... Agent: Day Pitney LLP

20070228862 - Interior permanent magnet rotors with multiple properties and methods of making same: An armature for use in an electric traction motor comprises a rotor having a central portion and a peripheral portion with the peripheral portion having a plurality of cavities. Permanent magnets solidified from liquid magnetic material are disposed in the cavities to form poles of the rotor with at least... Agent: Christopher Devries General Motors Corporation

20070228863 - Electric machine winding arrangement: Rotational electric machine stator winding arrangement characterized, inter alia, by at least one coil of each parallel circuit being discontinuous with the other coils of the corresponding circuit, and by coils configured to accept phase voltage not being adjacent coils having a point at the lowest potential of a corresponding... Agent: Brooks Kushman P.C./fgtl

20070228864 - Wave winding armature: An armature for an electromotive device having a unitary coil and armature is disclosed. The armature may include a coil having inner and outer wave winding portions separated by an insulator, each of the wave winding portions comprising a plurality of sheet metal conductors, and a commutator having a plurality... Agent: Mcdermott Will & Emery, LLP

20070228865 - Electrical machine having symmetrical coil sections: The invention relates to an electrical machine (10), and to a method for producing such an electrical machine, especially for adjusting mobile parts in a motor vehicle. Said machine comprises a rotor (20) on which a bipolar electrical winding (25) having a plurality of coils (26) is arranged. Said coils... Agent: Michael J. Striker

20070228867 - Brushless alternator with stationary shaft: Disclosed herein is a rotor assembly for an electric machine including a stationary shaft, a first bearing, a second bearing, a first pole segment, a second pole segment, a first internal fan, and a second internal fan. The first bearing is positioned at a first end of the shaft. The... Agent: Cantor Colburn, LLP

20070228866 - Rotary electric machine for vehicles: An on-vehicle rotary electric machine, such as AC generator, is provided. The machine comprises a rotary shaft, a pole core, plural magnetic poles, plural permanent magnets, and plural holding members. The magnetic poles are located at intervals in a circumferential direction and passing magnetic flux between two mutually-adjacent of the... Agent: Oliff & Berridge, PLC

20070228868 - Polymer linear actuator for micro electro mechanical system and micro manipulator for measurement device of cranial nerve signal using the same: A polymer linear actuator for a micro electro mechanical system (MEMS) and a micro manipulator for a measurement device of cranial nerve signal using the same are provided. The polymer linear actuator has first and second bodies positioned spaced apart to a distance from each other, and one or more... Agent: Mcdermott Will & Emery LLP

20070228869 - Stable electro-mechanical actuators: An electro-mechanical actuator includes a comb drive and a deformable connector. The comb drive has a first capacitor plate and a second capacitor plate. The capacitor plates have teeth capable of inter-digitating. The deformable connector is configured to apply a mechanical restoring force to the first capacitor plate. The deformable... Agent: Lucent Technologies, Inc. Docket Administrator - Room 3j-219

20070228872 - Piezoelectric/electrostrictive device: A piezoelectric/electrostrictive including a pair of mutually opposing vibration plates, each having a first portion and a second portion, a fixation section joined to the first portion of each of the vibration plates, and at least one piezoelectric/electrostrictive element arranged on at least one of the vibration plates. A surface... Agent: Burr & Brown

20070228871 - Thin-film piezoelectric device and method of manufacturing the same: A thin-film piezoelectric device is disclosed that includes a substrate, a piezoelectric pattern disposed on the substrate, the piezoelectric pattern including plural spaced-apart piezoelectric regions, and a pair of electrodes that apply an electric field to the piezoelectric pattern.... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070228870 - Variable electrical circuit component: A circuit component has an elastically deformable first structure, a second structure, and a support structure coupling the first and second structures, wherein the first structure can be variably deformed in response to a variable force, to provide either a variable capacitor or a variable tank circuit having a variable... Agent: James R. White

20070228873 - Surface acoustic wave substrate: A surface acoustic wave substrate includes: a diamond layer; a piezoelectric layer of aluminum nitride; and a titanium nitride-based buffer layer sandwiched between the diamond layer and the piezoelectric layer. The titanium nitride-based buffer layer includes a graded structure or includes a first sub-layer of titanium and a second sub-layer... Agent: Darby & Darby P.C.

20070228874 - Piezoelectric actuator: (c) the variation width WL/C in a quotient L/C due to a change in temperature should fall within ±12% over the specific temperature range from −30° C. to 80° C., wherein C [F] denotes the apparent dynamic capacity and L [μm] denotes the displacement.... Agent: Harness, Dickey & Pierce, P.L.C

20070228875 - Piezoelectric actuator: A piezoelectric actuator includes: a vibrator that includes a piezoelectric element, a first drive electrode and a second drive electrode, the piezoelectric element vibrated by a combination of at least two vibration modes including a first vibration mode and a second vibration mode, the first drive electrode applying a first... Agent: Harness, Dickey & Pierce, P.L.C

20070228876 - Diamond frequency control devices and associated methods: Various frequency control devices and their methods of use are provided. In one aspect, a bulk acoustic wave (BAW) device may include a diamond layer disposed between piezoelectric layers, and a pair of electrodes coupled to the piezoelectric layers. In such a configuration, the pair of electrodes may be configured... Agent: Thorpe North & Western, LLP.

20070228878 - Acoustic decoupling in cmuts: A capacitive micromachined ultrasonic transducer (cMUT) has an acoustic decoupling feature. A cavity is introduced underneath the regular cMUT element, preferably in the substrate, to provide acoustic decoupling. Trenches are also introduced to separate the cMUT elements and to provide further acoustic decoupling. The acoustic decoupling feature may be used... Agent: Lee & Hayes, PLLC

20070228877 - Signal control in micromachined ultrasonic transducer: A capacitive micromachined ultrasonic transducers (cMUT) uses signal control methods to reduce harmonic distortion of the output signal. The method uses an AC transmission input signal characterized with a frequency ω and takes the second-order frequency component with frequency 2ω, rather than the first-order frequency component with the base frequency... Agent: Lee & Hayes, PLLC

20070228879 - Cutting device, processing apparatus, molding die, optical element and cutting method: In a cutting tool, a shank is a support member made of ceramics and although it is light, it is hardly bent. Further, a processing tip made of a diamond having a cutting edge and is fixed to the tip portion of the shank by an active metal method or... Agent: Cohen, Pontani, Lieberman & Pavane

20070228880 - Piezoelectric thin film resonator: A piezoelectric thin film resonator includes a substrate, and a resonator section formed above the substrate and having a first electrode layer, a piezoelectric layer and a second electrode layer in which acoustic vibration is generated in a thickness direction of the piezoelectric layer by application of an electric field... Agent: Harness, Dickey & Pierce, P.L.C

20070228883 - Driving apparatus: A driving apparatus comprises: an electro-mechanical conversion element; a driving member that reciprocates in response to an extension and contraction of the electro-mechanical conversion element; and a driven member, frictionally engaged with the driving member, that moves by reciprocating the driving member, wherein the driving member comprises a shaft portion... Agent: Birch Stewart Kolasch & Birch

20070228885 - Driving apparatus: A driving apparatus comprises: an electro-mechanical conversion element; a driving shaft that reciprocates in response to an extension and contraction of the electro-mechanical conversion element; a driven member, frictionally engaged with the driving shaft, that moves along the driving shaft by reciprocating the driving shaft; and at least one shaft... Agent: Birch Stewart Kolasch & Birch

20070228882 - Driving apparatus, electro-mechanical conversion element used therein, photographic apparatus and mobile phone: A driving apparatus comprises: an electro-mechanical conversion element; a driving member, provided on one end side of the electro-mechanical conversion element, that moves in response to extension and contraction of the electro-mechanical conversion element; and a driven member frictionally engaged with the driving member, so as to cause the driven... Agent: Birch Stewart Kolasch & Birch

20070228881 - Micro displacement mechanism and magnetic disk apparatus: A micro displacement mechanism minutely displaces an object to be driven. The micro displacement mechanism includes a stationary part and an actuator fixed to the stationary part so as to rotatably support the object to be driven. The actuator includes a pair of piezoelectric actuators attached to opposite side surfaces... Agent: Greer, Burns & Crain

20070228884 - Piezoelectric element and driving apparatus: A piezoelectric element comprises: a first non-extendible and non-contractible portion which neither extend nor contract, the first non-extendible and non-contractible portion being provided at one end of the piezoelectric element; an extendible and contractible portion which extends and contracts; at least one electrode which is provided on a surface of... Agent: Birch Stewart Kolasch & Birch

20070228886 - Piezoelectric actuator, and carrier and shake correction apparatus each using the actuator: A piezoelectric actuator comprising an elastic plate 2 with a projection 3 provided on one of both surfaces of the plate. A first pair of strip-like piezoelectric elements 120a, 120b are fixed to the other of both the surfaces of the plate such that each of the first pair of... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070228887 - Piezoelectric driven mems device: A MEMS device includes: a first actuator having a first fixed end, including a stacked structure of a first lower electrode, a first piezoelectric film, and a first upper electrode, and being able to be operated by applying voltages to the first lower electrode and the first upper electrode; a... Agent: Amin, Turocy & Calvin, LLP

20070228888 - Knock sensor: A knock sensor includes: a base including an annular flange portion and a cylindrical portion, an annular piezoelectric element fitted onto the cylindrical portion, electrode portions oppositely formed on front and rear surfaces of the annular piezoelectric element, first and second terminal plates in contact with the electrode portions, an... Agent: Sughrue-265550

20070228890 - Apparatus for autonomous power supply of power-using devices located in the proximity of a road, and process therefor: A device for autonomous power supply of power-using devices set in the proximity of a road, along which vehicles travel, includes one or more electric-current generator elements of a piezoelectric type. The device includes at least one structural element configured for being deformable in an elastic way in at least... Agent: Heslin Rothenberg Farley & Mesiti PC

20070228889 - Energy scavenger and method for manufacturing the same: A micro-electromechanical package includes a casing and a microelectronic circuit. At least one portion of the casing includes a piezoelectric material arranged such that, in use, dynamically changing mechanical strain in the at least one portion produces an electrical charge usable as a power source by the microelectronic circuit.... Agent: Edell, Shapiro & Finnan, LLC

20070228892 - Piezoelectric device and method for manufacturing the same: A piezoelectric device includes: a substrate having an electrode terminal portion on an upper surface thereof, an electronic part arranged on an upper side of the substrate; and a piezoelectric resonator arranged on an upper side of the electronic part, wherein a surface of the electronic part opposite to a... Agent: Oliff & Berridge, PLC

20070228891 - Piezoelectric device: A piezoelectric device includes a base substrate 54, a resonator element 55 with a frame, and a lid 56 layered over and fixed to the resonator element with a frame, in which the base substrate, the resonator element with a frame, and the lid are all formed from a same... Agent: Anderson, Kill & Olick, P.C.

20070228893 - Piezoelectric sounding body: A piezoelectric sounding body in which a stable high sound pressure can be obtained over a wide frequency band. The piezoelectric sounding body includes a resin film, a piezoelectric vibrating plate attached to the center of one surface of the resin film with a tackiness layer, and a case supporting... Agent: Dickstein Shapiro LLP

20070228894 - Piezoelectric element and manufacturing method thereof, electronic device, ink jet device: Providing a manufacturing method of a piezoelectric element by which even if an electrode and a piezoelectric film stacked on a substrate are baked at a high temperature, the electrode does not oxidize and mutual diffusion between the substrate, the electrode and the piezoelectric film may be suppressed. The electrode... Agent: Fitzpatrick Cella Harper & Scinto

20070228895 - Method for manufacturing piezoelectric resonator element: A method for manufacturing a piezoelectric resonator element that ensures enough heat dissipation from a piezoelectric substrate, prevents a crack in the piezoelectric substrate, and avoids variation in an etching form when the piezoelectric resonator element is formed by dry etching the piezoelectric substrate is provided. The method includes a... Agent: Harness, Dickey & Pierce, P.L.C

20070228896 - Piezoelectric single-crystal device and method of manufacturing the same: To provide a piezoelectric single-crystal device which can stably attain an electromechanical coupling factor k31 of 60% or more in the lateral vibration mode and a method of manufacturing the same. Specifically, the piezoelectric single-crystal device has the polarization direction 3 in the [110] axis of a pseudocubic system and... Agent: Oliff & Berridge, PLC

20070228897 - Quartz resonator, quartz resonator package, and quartz oscillator: To provide a tuning fork type quartz resonator having a low CI value and a quartz resonator package provided with the quartz resonator. A silicon material lower in specific gravity and stiffness than those of conventionally used gold (Au) is used as an electrode material for an electrode pattern such... Agent: Jordan And Hamburg LLP