Electrical generator or motor structure inventions 12/08

20080315691 - Rotor of brushless motor: Some embodiments of the present disclosure provide a rotor of an electric brushless motor configured to be light weight and prevent vibrations generated during an operation of the motor to be transferred to the shaft of the rotor. The rotor includes a shaft elongated in a rotational axis, a single... Agent: Knobbe Martens Olson & Bear LLP

20080315692 - Electric motor: The present invention relates to an electric motor (1) for driving an inertia separator (26), comprising a stator (3), which is arranged in a stator housing (2), and a rotor (4), which is arranged concentrically with respect to the stator (3) and is drive-connected to a rotor (27) of the... Agent: Rader, Fishman & Grauer PLLC

20080315729 - Electric actuator: An electric actuator comprised of an electric motor and a wave gear speed reducer connected to the electric motor efficiently air-cools the electric motor and a wave generator of the speed reducer and obviates the need for increasing the axial length of the actuator. The wave generator has a plurality... Agent: Rankin, Hill & Clark LLP

20080315728 - Linear actuator: An actuator. In one embodiment, the actuator comprises a reversible electric motor having a stator having a housing, a rotor housed in the housing of the stator, and a shaft having a forward portion and a rearward portion extending oppositely and coaxially from the rotor, respectively; a fan member coaxially... Agent: Morris Manning Martin LLP

20080315693 - Cordless power tool: To provide a cordless power tool which can suppress heat generation of a protection unit and prevent the erroneous operation. A cordless power tool 1 includes a body casing 10; a battery 20 which is detachably attached to the body casing 10 and can supply electric power; a motor 30... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080315694 - Brushless type of vehicular ac generator: A brushless alternating current generator for vehicles comprises a stator, rotor, field winding, rectifier, housing, cover, and extension member. The rectifier has plural rectifying elements to rectify a voltage from the stator winding and output the rectified voltage and a radiating fin to which the rectifying elements are attached. The... Agent: Oliff & Berridge, PLC

20080315730 - High speed generator rotor field coil lead retention system: A high speed aircraft generator utilizes a resistor bobbin to constrain field leads from radial displacement during operation of the generator. The resistor bobbin is provided with passages through which the field leads are passed. The passages are parallel to an axis of the generator. The resistor bobbin thus serves... Agent: Honeywell International Inc.

20080315695 - Printed circuit board for a brushless motor and a brushless motor using the same: A printed circuit board includes a connection portion connectable to a control unit for driving a brushless motor; position detection element connection wiring lines respectively extending from a plurality of installation places of position detection elements to the connection portion, the position detection elements detecting a magnetic pole position of... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080315696 - Lift magnet mechanism for flywheel power storage systems: Electric power is stored in a flywheel assembly, from a dc power buss, and supplied to the buss, through electronics associated with a motor/generator, its rotor integral with a flywheel supported by magnetic bearings. Upon operation, the flywheel assembly is released by mechanical backup bearings which then normally remain disengaged... Agent: Lambert & Associates, P.l.l.c.

20080315697 - Gear integrated generator for wind turbine: A gear integrated generator for a wind turbine having a tower, a nacelle, and a hub is described. The gear integrated generator includes: a stator supporting frame having a stator supporting portion, a radially extending portion and a rotor frame supporting portion, wherein the stator supporting frame is stationarily mountable... Agent: General Electric Company Ge Global Patent Operation

20080315698 - Motor apparatus and method: An apparatus includes a first motor and a second motor. The first motor includes a first rotor configured to provide mechanical power to a vehicle, and a first plurality of stator coils having a core and coupled to the first rotor. The second motor includes a second rotor configured to... Agent: General Electric Company Global Research

20080315699 - Pm stepping motor: A PM stepping motor includes: a stator assembly composed of two stator units which are axially coupled to each other with a molding resin material, and each of which includes: inner and outer yokes each having a plurality of pole teeth; a bobbin including inner and outer flanges; and a... Agent: Mcdermott, Will & Emery LLP

20080315700 - Rotating electrical machine: Stator claw poles are disposed at a stator core at a position facing opposite a rotor so as to alternately range from the two sides along the axial direction. With a plurality of magnetic poles thus formed, the distance by which the gap between the front end portions of the... Agent: Crowell & Moring LLP Intellectual Property Group

20080315701 - Dynamoelectric machine and manufacturing method therefor: A dynamoelectric machine includes: a permanent magnet holding portion that is disposed integrally so as to project from the yoke portion on a portion of the pair of yoke portions that faces an inner circumferential surface near a tip end of the plurality of claw-shaped magnetic pole portions; an arc-shaped... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080315702 - Alternator for vehicle and rotating electrical machine: An alternator for vehicle includes a stator that outputs an AC voltage and a rotor that includes a field coil and a rotor core. The stator includes a plurality of phase stators that are disposed side-by-side along the rotational axis and individually output AC voltages. The phase stators include an... Agent: Crowell & Moring LLP Intellectual Property Group

20080315703 - Stator core for alternator and motor: Disclosed is a stator core for a generator and a motor comprising a frame formed in a shape of a straight plate; and a plurality of coil winding portions spacedly formed in one side of the frame and projected from the one side thereof. The stator core forms a stator... Agent: Keusey, Tutunjian & Bitetto, P.C.

20080315705 - Rotating electric machine, winding machine, and rotating electric machine system: A rotating electric machine includes a stator core of a cylindrical shape, a rotor core coaxially rotating inside the stator core, and a plurality of coils each formed by winding magnet wires using a slot formed axially in either the stator core or the rotor core, or both: it is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080315704 - Synchronous machine: The invention relates to a permanently excited synchronous machine (51) comprising a stator (53) and a rotor (55). Preferably, the stator (53) comprises a three-phase current winding and the rotor (55) comprises permanent magnets. The stator (53) comprises 42 slots (27) and 42 teeth (29). Each second tooth (29) is... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20080315706 - Current limiting means for a generator: The invention provides means of limiting maximum current conducted through windings of an electric machine having a rotor and a stator. By encouraging an appropriate leakage flux around a winding, a leak impedance can be achieved which may be used, according to the invention, to limit the maximum current in... Agent: Ogilvy Renault LLP (pwc)

20080315707 - Wind power installation with ring generator having a stator with grooves to receive a stator winding: A synchronous machine has a stator in which grooves are provided at the inner or outer periphery in mutually spaced relationship to receive a stator winding. The synchronous machine may be in the form of a ring generator used in a wind power installation, for example. In order to provide... Agent: Seed Intellectual Property Law Group PLLC

20080315708 - Foil coil structures and methods for winding the same for axial-based electrodynamic machines: Disclosed are foil coil structures and methods for winding the same for stators in electrodynamic machines, as well as electrodynamic machines that implement such coil structures. In one embodiment, a foil coil structure is configured for implementation with a field pole member having pole faces that confront, for example, conical... Agent: Kokka & Backus, PC

20080315709 - Wind power generation system, arrangement of permanent magnets, and electrical power-mechanical force converter: A wind power generation system 10 comprising a frame, an impeller 12 rotatably supported by the frame, plural permanent magnets 31 aligned at equal intervals from the rotation center, and coils 32 aligned annularly on the frame. The relative motion of the permanent magnets 31 and the coils 32 in... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20080315710 - Stator and motor, to which the stator is applied, and method of manufacturing the stator: There is provided a stator in which a plurality of divided stators are annularly combined with each other, and each divided stator includes: a divided lamination iron core having teeth portion and a yoke portion, and constructed by laminating electromagnetic steel sheets divided by the teeth unit; insulating bodies provided... Agent: Ratnerprestia

20080315711 - Brush holder component with ground contact plate: Electric motor, as well as a brush mount component (34) for positioning of carbon brushes with respect to a commutator (30) of an electric motor (12), having at least one attachment means (55) for fixing the brush mount component (34) on a printed circuit board (28), with an earth contact... Agent: Michael J. Striker

20080315712 - Brush assembly including biasing member for applying force: A brush assembly may include a support member, a conductive arm having a first end portion and a second end portion, where the first end portion is coupled to the support member, a brush coupled to the second end portion of the conductive arm, and a biasing member configured to... Agent: Harness Dickey & Pierce, P.L.C

20080315713 - Group of laminations for ferromagnetic cores, production process and respective electric machine: The invention concerns a group of laminations (100), advantageously but not exclusively for making a ferromagnetic core, which comprises two or more laminations, one or more polar expansions (P1, P2, P3, P4) and a connecting element (5, 5a, 5b, 5c) belonging to one of the laminations (4, 4a, 4b, 4c,... Agent: Connolly Bove Lodge & Hutz LLP

20080315714 - Electrical rotating machine comprising an intermediate sleeve interposed between the shaft and the polar wheels and method for making the rotor: An electrical rotating machine rotor, in particular for a motor vehicle, comprising a central shaft, an annular core coaxial with the shaft and two polar wheels which are axially arranged on either side of the core, of the type wherein the shaft includes at least one drive section which is... Agent: Matthew R. Jenkins, Esq.

20080315715 - Rotor core assembly for electric motor: A rotor core assembly for an electric motor includes a stack of laminations and first and second end plates disposed at opposite ends of the stack of laminations. A plurality of concentric fastener holes extend through the laminations and the end plates for receiving stainless steel pins. Each pin has... Agent: Senniger Powers LLP (emer)

20080315716 - Rotor for automotive alternator having mechanism for positioning magnetic pole cores: A rotor for an automotive alternator includes a rotary shaft, first and second magnetic pole cores each having a plurality of magnetic pole claws, a bobbin, a field coil, a plurality of permanent magnets, and a positioning mechanism. The magnetic pole claws of the first magnetic pole core are interleaved... Agent: Oliff & Berridge, PLC

20080315717 - Piezoelectric actuator and method for producing the same: A method for producing a piezoelectric actuator has the following steps: providing a plurality of piezoelectric material layers (2) which can be assembled into a stack; applying electrode layers (3) each having a recess (4, 4′) to the plurality of piezoelectric material layers, such that an alternating sequence of piezoelectric... Agent: Baker Botts L.L.P. Patent Department

20080315719 - Fuel injector having encased piezo electric actuator: An actuator for a fuel injector is disclosed. The actuator has a piezo element, a casing, and at least one end plate. The casing is fabricated through a deep draw process, has bellows, and is configured to house the piezo element. The at least one end plate is hermetically connected... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20080315718 - Sensing systems utilizing acoustic wave devices: A sensing system includes an acoustic wave device comprising a body of piezoelectric material, and a first electrode assembly mounted on the piezoelectric body whereby an appropriate input applied to the electrode assembly produces an acoustic wave in the piezoelectric body and a first frequency response. The acoustic wave device... Agent: Gowling, Lafleur Henderson LLP

20080315720 - Ultrasonic mechanical emulsifier: A tubular piezoelectric transducer comprising a tube of piezoelectric material and having a plurality of external electrodes for inducing in a first end of the tube at least one movement of a plurality of possible movements; at least two spokes attached to and extending radially inwardly of the tube for... Agent: Dickstein Shapiro LLP

20080315721 - Driving device: There is provided a driving device 1 in which an electromechanical transducer is used and which has a high drive efficiency, having an electromechanical transducer 4 that is extended and contracted by application thereto of voltages, a drive shaft 6 having one end fixed by adhesive 5 to the electromechanical... Agent: Sidley Austin LLP

20080315722 - Non-linear piezoelectric mechanical-to-electrical generator system and method: A non-linear power generator system that may include a flexible beam for receiving a mechanical input, the flexible beam being supported in a bowed configuration; an electrically responsive member supported adjacent one end of the flexible beam so as to be under a compressive force exerted by the flexible beam;... Agent: Harness Dickey & Pierce, PLC

20080315724 - Curved two-dimensional array transducer: A curved two-dimensional array transducer includes a layer of piezoelectric material overlaying a layer of ASICs which is attached to a backing wing. The piezoelectric material is diced in orthogonal azimuth and elevation directions to form a two-dimensional array of transducer elements, with the dicing cuts in the elevation direction... Agent: Philips Medical Systems Philips Intellectual Property & Standards

20080315723 - Transducer array with non-uniform kerfs: A multi-dimensional transducer array is provided. The multi-dimensional transducer array includes a plurality of elements. First and second kerfs acoustically separate the elements. A first width of the first kerf is larger than a second width of the second kerf.... Agent: Siemens Corporation Intellectual Property Department

20080315725 - Force generator: A force generator is configured for attachment to a structure in order to controllably introduce vibrational forces into the structure in order to influence the vibration thereof. The force generator encompasses a flexural arm that is fastenable at least at one end to the structure; and an inertial mass that... Agent: Darby & Darby P.C.

20080315726 - Receiving sleeve for an actuator body: The invention relates to a receiving sleeve (1) for an actuator body, in particular for holding a piezoelectric stack of a piezoelectric actuator that is used to drive an injector of an injection system for an internal combustion engine. According to the invention, the sleeve is equipped with at least... Agent: Baker Botts L.L.P. Patent Department

20080315727 - Piezoelectric resonator, manufacturing method thereof and lid for piezoelectric resonator: A piezoelectric resonator includes a piezoelectric resonator element having a resonating arm and a metal film that is formed on the resonating arm; a package including a bottom part on which the piezoelectric resonator element is fixed and a frame wall that surrounds the bottom part, and having an opening... Agent: Harness, Dickey & Pierce, P.L.C

20080309171 - Linear transverse flux machine: A transverse flux linear machine including a first interacting part including an electric winding and a second interacting part including a plurality of magnetic poles. The first and second interacting parts are movable relative to each other and defining between them an airgap.... Agent: Venable LLP

20080309172 - Module electric tool: A module electric tool comprises a lower cover including receiving compartments and a receiving cavity formed therein, an upper cover engaged with the lower cover, an gear box module received in the receiving compartment and including a rotary stem disposed at the front end thereof and an input sleeve mounted... Agent: Pro-techtor International Services

20080309173 - Motor: In a motor, an insulator covering an armature core has a lid covering an end surface of the armature core. The lid has an inner ring disposed radially inside slots of the armature core and an outer ring disposed radially outside the slots. Each of a plurality of slot insulators... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080309174 - Electric motor with permanent magnet excitation and rotor cooling: The invention relates to an electric motor (1) with permanent magnet excitation, comprising a stator (2), a rotor (8), comprising a hollow shaft (13) on which the permanent magnets (9) are positioned. The hollow shaft (13) is sealed tight against an output shaft (7) at least at the end faces... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20080309175 - Electric motor cooling: An electric motor cooling system is provided that includes a housing and first and second cooling sources that are different from one another respectively to provide first and second cooling flows. A stator is mounted in the housing and receives the first cooling flow. A rotor is rotatable relative to... Agent: Carlson, Gaskey & Olds, P.C.

20080309176 - Method and apparatus for cooling generators: A baffle for guiding cooling fluids in a power generator cooled by a cooling fluid and having a flange, a stator, and an end stator has an inclined surface configured to direct a first portion of the cooling fluid flow towards the flange, a second portion of the cooling fluid... Agent: Hoffman Warnick LLC

20080309177 - Gas-cooled electrical device: The invention relates to a gas-cooled electrical device (13), especially a gas-cooled generator, which comprises at least a rotor (1), a stator (2) and also a stator casing (3) which encloses this stator, and an end-winding space (5). In this case, passages for a cooling gas are provided both in... Agent: Volpe And Koenig, P.C. Dept. Alstom

20080309204 - Circuit board and brushless motor using the same: A circuit board is used for allowing an electric current to conduct to a position detection unit and a stator having a winding for generating rotating magnetic fields for a brushless motor. The circuit board includes a winding connection portion that connects ends of the winding to the circuit board;... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080309205 - Clean engine: A clean engine for transportation, generators, and other applications. It comprises a series of alternating support wheel assemblies and magnet wheel assemblies that are propelled in a consistent pattern by battery powered electromagnets. The engine comprises at least one support wheel assembly and at least one magnet wheel assembly. The... Agent: Dowell Baker, P.C.

20080309178 - Geared motor: A geared motor, for driving an adjusting mechanism, that is drivingly coupled thereto. The geared motor comprises a driving motor and at least one gear stage for reducing the motor speed. A drive unit formed by said parts is disposed in a monolithic or multipiece housing. The drive unit includes... Agent: Barnes & Thornburg LLP

20080309179 - Electric machine: There is described an electric machine which is used, in particular as a drive mechanism for an injection moulding machine. The electric machine comprises a first electric motor for carrying out a linear displacement and a second electric motor for carrying out a rotational movement. A displaceable means can be... Agent: Siemens Corporation Intellectual Property Department

20080309180 - Surface mount type vibration motor and fixation structure: [Solution] To provide a surface mount type vibration motor, wherein the pedestals of a motor holder comprise the support plates that are in contact with stationary lands on a surface of a circuit board and extend in the axial direction of an output shaft, end portions of the support plates... Agent: Nixon Peabody, LLP

20080309181 - Vehicular alternating current generator: A vehicular alternating current generator comprises slip rings, an enclosure, a rear cover, and a sealing plate. The slip rings are provided on a rotary shaft of a rotor. The enclosure component encloses a peripheral space surrounding the slip rings and brushes, and the rear cover covers electrical components including... Agent: Oliff & Berridge, PLC

20080309182 - Motor: Disclosed is a motor which, even if the commutator is deformed, suppresses brush deformation to thereby prevent short-circuiting between the positive-pole-side brush and the motor housing. A motor (1) includes: a motor housing (10); a stator (11) fixed in position on an inner side of the motor housing (10); a... Agent: Sughrue Mion, PLLC

20080309183 - Dynamic bearing device: Disclosed is a dynamic bearing device which allows production of a smaller housing at low cost and which suppresses ion elution from the resin portion to thereby maintain cleanliness in the dynamic bearing device and exert a desired bearing performance. A dynamic bearing device 1 is equipped with a bearing... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080309185 - Permanent magnet motor having an axially magnetized pull magnet: A permanent magnet motor having an axially magnetized pull magnet consisting of a baseplate on which a stator lamination stack having stator windings is disposed, wherein a hub is disposed opposite the baseplate, the hub being connected to a shaft that is supported with respect to a bearing bush via... Agent: Cooper & Dunham, LLP

20080309184 - Support device for supporting a rotor for rotation: A support device for rotatably supporting a rotor (1) and including a support rotor (2; 2′) connectable with the rotor (1); a support stator (3; 3′) and a connection element (5; 5′) displaceably supported in a housing portion (4a, 4b) of the support device and connected with the support stator... Agent: Abelman, Frayne & Schwab

20080309186 - Magnetic belt and roller system: A belt and roller system comprising a roller having a permanent magnet sandwiched in between a pair of temporarily magnetic disks with the magnetism of the disks induced by the permanent magnet. For example, each temporarily magnetic disk may be steel. Each pole of the permanent magnet is disposed adjacent... Agent: Schneck & Schneck

20080309187 - Bearing surface layer for magnetic motor: A method for making a magnetic linear motor shaft including thermal treatment to temporarily change the dimensions of various shaft components to allow tight interference fit assembly. The magnetic motor includes a core piece, annular magnets and pole pieces.... Agent: Goodwin Procter L.l.p Attn: Patent Administrator

20080309188 - Electrical output generating devices and driven electrical devices with reduced flux leakage using permanent magnet components, and methods of making and using the same: A device for generating electrical or mechanical output, comprising a stator coil, a stator assembly, a rotor coil, a rotor assembly rotational about an axis, the rotor assembly at least partially surrounding the rotor coil, rotator extensions capable of induced magnetization and extending from the rotator, each rotator extension having... Agent: Arent Fox LLP

20080309189 - Generator/electric motor, in particular for wind power plants, cable controlled plants or for hydraulic plants: A segmented electric generator/motor, such as for a wind powered generator, in which the rotor and/or stator is subdivided in the circumferential direction into segments disposed adjacent to one another. Additionally, the stator segments are accessible via and the rotor segments can be installed and removed in the axial direction... Agent: Shlesinger & Fitzsimmons

20080309190 - Mems actuator with discretely controlled multiple motions: A MEMS (micro electro mechanical system) actuator with discretely controlled multiple motions comprises bottom layer, stepper plate, support, and motion plate. The multiple motion of the motion plate is generated by the electrostatically actuated stepper plates and geometrically predetermined supports. By introducing the MEMS actuator with discretely controlled multiple motions,... Agent: Stereo Display Inc.

20080309191 - Mems moving platform with lateral zipping actuators: A MEMS platform with four actuators and four corresponding actuation electrodes. Movement of the platform in the x-y lateral plane is controlled by voltages applied to the four actuation electrodes. Other embodiments are described and claimed.... Agent: Seth Kalson C/o Intellevate, LLC

20080309192 - Acoustic wave resonator: In an acoustic wave resonator, an IDT electrode is provided on a piezoelectric substrate. The IDT electrode is apodization-weighted such that a plurality of maximum values of cross widths are provided in acoustic wave propagation directions. Alternatively, in apodization weighting, weighting is applied such that at least one of a... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20080309193 - Electro-mechanical wave device: An electro-mechanical wave device which may be used for movement of a mechanical member, e.g. by friction, a motor comprising one or more wave devices, and a method of providing the electro-mechanical wave device. The electro-mechanical wave device comprises a substrate comprising a plurality of conductors, and a plurality of... Agent: Merchant & Gould PC

20080309194 - 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: Howard & Howard Attorneys, P.C. Basf Se

20080309195 - Method of detecting acceleration in vehicles: Piezomagnetic, magneto-strictive, or electro-strictive material particles may also be distributed throughout the structural material of the structural member, which serve to amplify and otherwise enhance the signals from the piezoelectric material particles. The piezoelectric, electro-strictive, magneto-strictive, and/or piezomagnetic material particles may allow the structural member to exhibit an electrical and/or... Agent: Jonathan A. Platt Renner, Otto, Boisselle & Sklar, LLP

20080309196 - Electrical generator: An electrical generator includes a passageway having an input port and at least one output port and at least one resonator for converting acoustic vibrations established in the passageway into mechanical vibrations of the resonator. The resonator is oriented adjacent at least one output port. A mechanical-to-electrical transducer is coupled... Agent: Barnes & Thornburg LLP

20080309197 - Piezoelectric actuator having a self-centering plug-in connection: The invention relates to a piezoelectric actuator used as a piezoelectric injector, comprising a holding body provided with an inner region, an upper part and a lower part, and a piezoelectric element which is arranged in the inner region against the upper part of the holding body and includes a... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080309198 - Acoustic transducer: An electroacoustic transducer having a tail mass, a head mass and at least two parallelepiped shaped piezoelectric material elements disposed between and attached to the tail mass and the head mass is provided. The tail mass has a body extending between a first end and a second end, the body... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20080309201 - Ultrasonic sensor and method for manufacturing the same: An ultrasonic sensor with stabilized transmitting/receiving characteristics capable of achieving a desired directivity easily and at low cost and a method for manufacturing the same are provided. The ultrasonic sensor includes a base composed of a synthetic resin. The base includes a cylindrical side portion and a ring-shaped bent portion... Agent: Dickstein Shapiro LLP

20080309199 - Ultrasonic sensor having a piezoelectric element: An ultrasonic sensor having a piezoelectric element including first and second electrodes is disclosed. The ultrasonic sensor includes an aluminum case having a bottom part electrically contacting the second electrode of the piezoelectric element, a first conductive part electrically connected to the first electrode of the piezoelectric element, and a... Agent: Ipusa, P.l.l.c

20080309200 - Ultrasonic transducer module comprising a transmitter layer and a receiver layer: Ultrasonic transducer module comprises at least one transmitter layer, at least one receiver layer and at least one ground plane. The transmitter layer and the receiver layer comprise a number of elongated transmitter and receiver electrodes, the electrodes being arranged in parallel within each layer, the transmitter layers and the... Agent: Christian D. Abel

20080309202 - Electronic component having a resonator element arranged in an hermetically closed housing and method for manufacturing such an electronic component: The electronic component includes at least one resonator element arranged in a housing of a case. The case includes a main part with a base and at least one lateral wall of annular shape, and a cover fixed onto the main part to hermetically seal the housing of the case.... Agent: Griffin & Szipl, PC

20080309203 - Piezoelectric element: A piezoelectric element includes an electrode disposed on at least one of the front and back surfaces of a piezoelectric material prepared by molding a mixture containing a Pb component, a Zr component, a Ti component, a Sr component, a Nb component, and a Zn component and then firing the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080303354 - Coil support unit, motor and exposure apparatus using the same, and device manufacturing method: A coil support unit which supports a coil used for generating a thrust to a movable portion. The coil is supported such that stable thrust characteristics can be obtained. The coil support unit constrains the coil in a thrust direction, and slidably supports the coil in a direction perpendicular to... Agent: Fitzpatrick Cella Harper & Scinto

20080303355 - Rail motor system and method: A variable reluctance electric motor employs motor coils installed adjacent to or integral with railroad rails and uses the steel wheels of railroad locomotives and cars as its moving elements. This “rail motor” electrically propels unmodified conventional railroad trains or individual railroad cars, without the use of diesel engines and... Agent: Mark Rodgers

20080303357 - Device for producing electrical energy: A device for generating electrical energy has at least one pair of permanent magnets and at least one coil. They are moved about a pivot axis relative to one another by agitating or shaking. Each coil is disposed between the pole surfaces of the at least one pair of permanent... Agent: Lerner Greenberg Stemer LLP

20080303356 - Rod-type linear motor: By reviewing a material of a forcer housing and an assembly structure of a coil member with respect to the forcer housing, a thrust force is increased, an optimum shape can be easily given to the forcer housing depending on a purpose of use, and a linear motor can be... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080303358 - Electric power tool with a rotatable brush plate: The invention is based on an electrical power tool with an electrical machine, having a motor housing that receives the electrical machine and having a rotatable brush plate for reversing a direction of rotation of the electrical machine. The brush plate is covered in its cross section by a pivotable... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080303359 - Electrical machine having a cooling jacket: In order to improve the cooling of an electrical machine, the invention proposes an electrical machine having a stator (4) and a rotor, wherein the stator (4) has a cooling jacket (10) over at least part of the stator (4), wherein the cooling jacket (10) has a motor jacket (3)... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20080303360 - Insulated bearing motor assembly: A motor with improved bearing life has a shaft rotatably supported by a pair bearings. The motor further has a stator and a rotor, wherein one of the stator and the rotor is mounted to the shaft and the other of the stator and the rotor surrounds the shaft so... Agent: Hewlett Packard Company

20080303361 - Automotive alternator: A positive-side heatsink and a negative-side heatsink that constitute a rectifier are disposed inside a case at a rear end of a rotor so as to be separated axially such that front surfaces of a positive-side base portion and a negative-side base portion face each other. The negative-side heatsink is... Agent: Sughrue Mion, PLLC

20080303362 - Motor and motor system: A motor is basically provided with a rotor and a stator. The stator includes a plurality of stacked magnetic entities, a dielectric material disposed between adjacent ones of the magnetic entities, a positive electrode part provided on at least one of the magnetic entities and a negative electrode part provided... Agent: GlobalIPCounselors, LLP

20080303363 - Energy storage and gyroscopic stabilizing system: The disclosed energy storage and gyroscopic stabilizing system may be used in a marine vessel so as to supply energy, retrieve energy, and dampen the roll motion of the marine vessel. The system may comprise a rotating member configured to be rotatable and to dampen a roll motion of the... Agent: Foley And Lardner LLP Suite 500

20080303364 - Driving force transmission mechanism, image forming apparatus and assembling method thereof: To provide a driving force transmission mechanism in which the thickness can be reduced as well as the positioning between a driven shaft and driven, and a motor shaft of a motor is easy. The driving force transmission mechanism of the invention comprises a plate through which a reference hole... Agent: Banner & Witcoff, Ltd. Attorneys For Client Nos. 0166889, 006760

20080303365 - Magnetic propulsion motor: The present invention relates to a magnetic propulsion motor comprising a magnetic drive assembly comprising a drive magnet, a rotating hub, and a motion magnet attached to the rotating hub to rotate the motion magnet proximate to the magnetic drive assembly. A driving force is applied to the magnetic drive... Agent: Dorsey & Whitney LLP Intellectual Property Department

20080303366 - Electric fan and casing thereof: The present invention discloses an electric fan and a casing thereof, wherein the casing wall can be arbitrarily detached to from an air flow inlet. The four corner elements of the casing define an assembly space where the electric fan is accommodated. First fixing members and second fixing members matching... Agent: Joe Mckinney Muncy

20080303367 - Variable speed constant frequency motor: A variable speed isosychronized motor includes two annular stators conformed for variable angular alignment relative to each other and a common rotor extending a plurality of isolated loops to cross-induce power between stators once such are angularly displaced. In this form of losses, attendant to speed variation through stator phasing... Agent: Mcdermott, Will & Emery, LLP

20080303368 - Multi-layer magnet arrangement in a permanent magnet machine for a motorized vehicle: A permanent magnet machine includes a stator having a hollow core, a rotor rotatably disposed inside the hollow core, and a plurality of multilayered permanent magnets embedded in the rotor. Each multilayered permanent magnet has opposite first and second ends, and includes a first magnet disposed at the first end,... Agent: General Motors Corporation Legal Staff

20080303369 - Electric motor, stator for an electric motor and method of manufacturing same: An electric machine has a rotor and includes a first portion that is substantially rectangular and includes a rotor aperture configured to receive a portion of the rotor. A second portion is separate from and connected to the first portion. The second portion is substantially U-shaped and includes a first... Agent: Michael Best & Friedrich LLP

20080303370 - Permanent magnet motors with reduced torque ripple and methods for designing the same: Permanent magnet motors with improved torque ripple and methods for designing the same have been provided. The permanent magnet motor can include a stator having a hollow core and defining a plurality of slots; a winding disposed in each of the slots; a rotor rotatably disposed inside the hollow core... Agent: General Motors Corporation Legal Staff

20080303371 - Electrical rotary machine: An electric motor 1 comprises a rotator 20 rotating relative to a stator 10 and a plurality of teeth 11 winding an exciting coil 12 in the stator 10. The teeth 11 generate a magnetic field directed to the rotator 20 from tip faces 11a and comprise a radially extending... Agent: Squire, Sanders & Dempsey L.L.P.

20080303372 - Brush holder apparatus, brush assembly, and method: Devices and methods of use for brush holder assemblies are disclosed. Brush holder assemblies including a mounting block and a brush holder are disclosed. Also illustrated is a brush holder assembly including a first portion in sliding engagement with a second portion. In some embodiments the brush holder includes a... Agent: Crompton, Seager & Tufte, LLC

20080303373 - Carbon bruch: A carbon brush that can suppress a wear amount of a carbon commutator and is less swelling is provided. The carbon brush is one that slides in contact with a carbon commutator that is used in a fuel pump, the bulk density thereof being 1.85 g/cm3 or less, and the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080303374 - Motor with rotor shaft and rotor magnet: A motor may include a rotor, a first yoke and a second yoke which are disposed to face each other, and at least one coil which is disposed between the first yoke and the second yoke. The first yoke is provided with a fixing part on which the coil is... Agent: Cantor Colburn, LLP

20080303375 - Device and method for converting thermal energy into electrical energy: A device and method for using a field-responsive material that changes temperature when subjected to a respective field in combination with a thermal to electrical energy converter to accomplish the generation of electrical energy. The field-responsive material, such as an electrocaloric or magnetocaloric material, changes temperature when subjected to a... Agent: Greenberg Traurig LLP (la)

20080303376 - Devices and methods for energy conversion basedon the giant flexoelectric effect in non-calamitic liquid crystals: Devices and methods for energy conversion based on the giant flexoelectric effect in non-calamitic liquid crystals. By preparing a substance comprising at least one type of non-calamitic liquid crystal molecules and stabilizing the substance to form a mechanically flexible material, flexible conductive electrodes may be applied to the material to... Agent: Hahn Loeser & Parks, LLP

20080303377 - Piezoelectric substance and piezoelectric element: A piezoelectric substance has a substrate, an electrode formed on the substrate, and a piezoelectric film formed on the electrode. The piezoelectric film is formed of crystals having a main phase of (NaxKyLiz)NbO3 (0<x<1, 0<y<1, 0≦z≦0.1, x+y+z=1). The piezoelectric film is a polycrystalline thin film preferentially oriented to either or... Agent: Scully Scott Murphy & Presser, PC

20080303378 - Surface acoustic wave (saw) devices based on cubic boron nitride/diamond composite structures: A surface acoustic wave (SAW) device which is made of cBN/diamond composite structures and the fabrication method are disclosed. In the SAW device based on cubic boron nitride and diamond composite structures, the diamond hard layer includes randomly-oriented polycrystalline diamond (poly-D), oriented (heteroepitaxial) diamond, single-crystal diamond wafers and nanocrystalline diamond... Agent: Heslin Rothenberg Farley & Mesiti PC

20080303379 - Surface acoustic wave device: s

20080303380 - Piezoelectric actuator and method for driving the same: The piezoelectric actuator includes a piezoelectric element structure (100) which has at least one piezoelectric element (120), and a working edge (130) for directing driving force on a driven body (MB), wherein the working edge (130) oscillates in response to deformation of the piezoelectric element (120). The piezoelectric actuator further... Agent: Harness, Dickey & Pierce, P.L.C

20080303381 - Ultrasonic probe, backing material for ultrasonic probe, and method of manufacturing the same: A backing material that is advantageous in insulation property and can realize a desired acoustic impedance without making the cross-linking and curing reaction of elastomer or resin as a parent material unstable. The backing material is provided on a backside of vibrators for transmitting and/or receiving ultrasonic waves in an... Agent: Sughrue Mion, PLLC

20080303382 - Device and method for providing strain measurements of insulated pipes: This disclosure provides methods and apparatuses to monitor strain in a steel pipe with reduced or eliminated disruption of the insulative and anti-corrosive layers or coatings that cover the pipe. The methods and apparatuses can include an attachment scheme that is less intrusive and less sensitive to dilation of the... Agent: Knobbe Martens Olson & Bear LLP

20080303383 - Shock resistant and mode mixing resistant torsional hinged device: A shock resistant and mode mixing resistant assembly for oscillating a device such as a MEMS mirror around a pivot axis by means of two pairs of piezoelectric elements or towers is provided. The resistance to mechanical shock and mode mixing is accomplished by mounting the broad faces or width... Agent: Texas Instruments Incorporated

20080303384 - Ultrasonic motor: An ultrasonic motor is provided with an ultrasonic transducer having a piezoelectric element, a holding member fixed to the ultrasonic transducer and holding the ultrasonic transducer, a pressing member pressing the holding member, and a member to be driven which is driven by frictional force between the member to be... Agent: Scully Scott Murphy & Presser, PC

20080303385 - Multi-layer piezoelectric device: 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.

20080296983 - Ci-core actuator for long travel in a transverse direction: Methods and apparatus for providing relatively long travel in a transverse direction for a magnetic levitation stage apparatus are disclosed. According to one aspect of the present invention, a linear actuator includes a first core, a second core, and at least one coil wrapped around the first core. The first... Agent: Aka Chan LLP

20080296984 - Energy converter: This energy converter includes a first flat coil and a magnet opposed to the first flat coil at an interval, and the first flat coil and the magnet are so formed as to be relatively movable, for converting kinetic energy to electric energy by electromagnetic induction.... Agent: Ditthavong Mori & Steiner, P.C.

20080297009 - Stator member and motor: A stator member may include a coil bobbin provided with a through-hole and around which a coil is wound, and a yoke provided with a fixing part that is inserted into the through-hole of the coil bobbin. The through-hole of the coil bobbin is provided with at least a recessed... Agent: Cantor Colburn, LLP

20080296985 - Brushless motor: In a brushless motor, a stator includes an annular core member. A rotatable shaft is placed radially inward of the core member and extends in an axial direction. A rotor is supported by the rotatable shaft. A centerpiece supports the core member and includes a center portion, which is placed... Agent: Posz Law Group, PLC

20080296986 - Bushing and generator: In a bushing which has a terminal with a bend for connecting a conduit tube and a lead tube, the effect to cool the inner corner of the bend is enhanced. The bushing includes a conductive conduit tube, a conductive lead tube, and a terminal. The terminal has a bend... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080297010 - Brushless motor: A brushless motor has a stator, a rotor rotatably disposed in an inner circumferential portion of the stator, and a resolver configured to detect a rotational position of the rotor with respect to the stator. The resolver has a resolver stator disposed at a fixed circumferential position with respect to... Agent: Osha Liang L.L.P.

20080297011 - Integrated controller/motor with thermal overload sensor: An integrated controller/motor energized by a power supply includes a controller that has controller circuits and a pair of controller lead lines connectable in circuit between the power supply and the controller circuits. The integrated controller/motor also includes a motor that has a first motor winding and a second motor... Agent: General Electric Company Ge Global Patent Operation

20080296987 - Repulsive force conversion drive: The present invention is a repulsive force conversion drive. The repulsive force conversion drive includes at least two repulsive units to repulse each other. One unit is fixed, while the second is movably suspended. There is a motion inducing plate positioned between the two repulsive units and movable between the... Agent: John J. Elnitski, Jr.

20080296988 - Rotating electric machine and electrically driven vehicle: A rotating electric machine whose output characteristics can be easily and freely adjusted and varied even in operation. The rotating electric machine is received in a housing of an electrically driven two-wheeled vehicle. A rotating shaft is connected to a rotor so as to form an axle. A stator is... Agent: Knobbe Martens Olson & Bear LLP

20080296989 - Rotor of rotary electric machine, and rotary electronic machine: The depth from the open end of a rotor slot closest to a magnetic pole of a rotary core to a slot bottom or the bottom of a subslot provided as a coolant ventilation path on a rotor slot bottom is made less than the depth of slots at and... Agent: Foley And Lardner LLP Suite 500

20080296990 - Arrangement of rotor laminations of a permanently excited electrical machine: The invention is based on an electrical machine having a rotor rotatably mounted about an axis of rotation and a stator. The rotor has at least one permanent magnet. The rotor has alternating field-focusing and field-free regions in its rotor body which are parallel to the axis of rotation.... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080296991 - Synchronous reluctance motor: A synchronous reluctance motor is described. The synchronous reluctance motor includes a core configured to rotate about a central axis and having first and second groups of flux barriers formed therein. Each flux barrier is defined as an opening in the core. Each of the first and second groups includes... Agent: Fish & Richardson P.C.

20080296992 - Electrical drive machine: A three-phase electrical drive machine is described, comprising a static primary part (2) having a sequence of stator grooves (3), in which stator windings (4) of the three phases (U, V, W) are positioned in such a manner that an electric current through the stator windings (4) generates primary part... Agent: Walter A Hackler Patent Law Office

20080296993 - Rotor for an electric motor: The invention provides a method of making a squirrel cage rotor for an electrical motor, and to a rotor for such a motor. The rotor comprises a rotor stack of a magnetically conductive material and a squirrel cage of an electrically conductive material. At least one of the short circuit... Agent: Mccormick, Paulding & Huber LLP

20080296994 - Synchronous reluctance machine: A synchronous reluctance machine is provided. The synchronous reluctance machine includes a stator having a stator core, the stator core including a number of fractional-slot concentrated windings wound around multiple stator teeth. The synchronous reluctance machine also includes a rotor having a rotor core and disposed with an air gap... Agent: General Electric Company Global Research

20080296995 - Carbon brush holder: A carbon brush holder includes an insulated housing having a through hole with a first section, a second section and a stepped portion between the first and second sections. A carbon brush-holding member is inserted into the first section of the insulated housing and has a first end face, a... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20080296996 - End cap for segmented stator: A stator for an electromagnetic machine includes a plurality of discrete and individually wound stator segments having end caps positioned on the segments. The end caps have legs for positioning the end cap on the segments with an interference fit. The end caps have angled surfaces to facilitate winding of... Agent: Harness, Dickey, & Pierce, P.l.c

20080296997 - Rotor for rotating electrical machine: A rotor body for an electric motor is comprised of connecting outer peripheral portions of first and second flange members made of electrically conductive material to the opposite ends of a plurality of connection members made of electrically conductive material of weak magnetic material arranged at predetermined distances therebetween in... Agent: Squire, Sanders & Dempsey L.L.P.

20080296998 - Electrostatic actuator, liquid droplet discharging head, methods for manufacturing them, and liquid droplet discharging apparatus: [Solving Means] An electrostatic actuator including an individual electrode 5 formed on a substrate, a vibration plate 6 arranged opposite to the individual electrode 5 via a predetermined gap and a driving means for causing a displacement of the vibration plate 6 by generating an electrostatic force between the individual... Agent: Workman Nydegger

20080296999 - Acoustic wave device and method for fabricating the same: A surface acoustic wave device includes a piezoelectric substrate, at least one interdigital transducer (IDT) electrode provided on the piezoelectric substrate, and an insulator layer to improve a temperature characteristic arranged so as to cover the IDT electrode. When a surface of the insulator layer is classified into a first... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20080297000 - Driving device capable of improving a shock and vibration resistance thereof: A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a static member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion coupled to the second end portion of the electro-mechanical transducer, and a... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080297001 - Miniaturizable motor: The invention relates to a miniaturizable motor (1) comprising a rotor (12) that is driven by a hollow cylindrical piezo oscillator (2). Said rotor is effectively connected to a frictional face (13) of the piezo oscillator while a main electrode or counter electrode (3) and excitation electrodes (4, 5, 6)... Agent: Bodner & O'rourke, LLP

20080297002 - Friction drive actuator and hard disk device using such actuator: In a friction drive actuator 1 according to the invention, a rotor 2 and a stator 4 are held in contact at a plurality of positions by a plurality of vibrators 3, and at least one of the vibrators 3 vibrates to rotate the rotor 2 relative to the stator... Agent: Sidley Austin LLP

20080297003 - Ultrasonic motor: An ultrasonic motor includes a stator that includes a comb body with a plurality of circumferentially-arranged comb-like projections and a piezoelectric body integrally mounted on the comb body, a rotor rotatable with respect to the stator, the rotor having a contact surface that establishes pressure contact with the stator, and... Agent: Greenblum & Bernstein, P.L.C

20080297004 - Driving device capable of transferring vibrations generated by an electro-mechanical transducer to a vibration friction portion with a high degree of efficiency: A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a stationary member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion coupled to the second end portion of the electro-mechanical transducer, and a... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080297005 - Piezoelectric device, process for driving the piezoelectric device, and piezoelectric actuator: A piezoelectric device constituted by a piezoelectric body and electrodes. The piezoelectric body is a monocrystalline piezoelectric film formed, above a substrate, of an inorganic crystalline compound containing a first ferroelectric crystal when no electric field is applied to the piezoelectric film, and having a characteristic that phase transition of... Agent: Birch Stewart Kolasch & Birch

20080297006 - Piezoelectric actuator and method of producing the same: A piezoelectric actuator having a bottom electrode attached to a membrane, a piezoelectric layer on the bottom electrode, and a top electrode formed on the piezoelectric layer, wherein the bottom electrode extends substantially over the entire bottom surface of the piezoelectric layer, and at least a peripheral portion of a... Agent: Birch Stewart Kolasch & Birch

20080297007 - Piezoelectric vibrator and fabricating method thereof: The present invention relates to piezoelectric vibrators such as a resonator used as a timing element, discriminator, filter or the like, and fabricating methods thereof. The piezoelectric vibrators of the present invention may be fabricated by forming a piezoelectric body of piezoelectric sheets, of which the thickness is controlled, and... Agent: Marger Johnson & Mccollom, P.C.

20080297008 - Tuning fork resonator element and turning fork resonator: A tuning fork resonator element that has a base portion, first and second resonating arms extending from the base portion in a first direction, and a support frame sandwiching the first and second resonating arms and being connected to the base portion includes: a first excitation electrode, formed in an... Agent: Harness, Dickey & Pierce, P.L.C