Electrical generator or motor structure patents - Monitor Patents
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Electrical generator or motor structure February patent applications/inventions, industry category 02/12

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
02/23/2012 > 32 patent applications in 21 patent subcategories.

20120043832 - Compact linear actuator with rotary mechanism: Methods and apparatus for a compact linear actuator having an improved rotary mechanism are disclosed herein. In one embodiment, the linear actuator comprises a spline bearing for guiding the shaft of the actuator as it is linearly actuated. A rotor positioned around the spline bearing rotatably engages the spline bearing... Agent:

20120043834 - Dc motor: The invention relates to a DC motor 1 comprising a cylindrical coil carrier 7; 17 comprising wire guide element 9; 10, 12 for guiding a first winding wire 80; 180 and a second winding wire 81; 181 of an air-gap winding on both side end sections, wherein the first winding... Agent: Robert Bosch Gmbh

20120043833 - Motor for washing machine and washing machine having the same: A motor include a rotor to rotate a drum of the washing machine, and the rotor includes a base, a ring-shaped rib formed at the edge of the base, and a back yoke ring connected to the ring-shaped rib. The back yoke ring is inserted into the ring-shaped rib while... Agent: Samsung Electronics Co., Ltd.

20120043836 - Disk style centrifugal pump: An electric machine system includes an electric motor and an oil pump disposed within a housing. The oil pump is configured to disperse oil in a pattern about a rotational axis within the electric motor. A method for operating the electric machine system is also disclosed.... Agent: Remy Technologies, L.L.C.

20120043835 - Material matrix for cooling media enhancement: An electric machine includes: a stator having stator windings; a rotor configured to interact electromagnetically with the stator; and a housing configured to house the stator and the rotor. A material matrix is disposed within the housing and in contact with the stator windings. The material matrix defines a plurality... Agent: Remy Technologies, L.L.C.

20120043837 - Stator system with a cooling arrangement: A stator system for a generator is provided. The stator system includes a housing element, a conductor, a cooling box and a cooling arrangement. The conductor forms at least one winding of the stator system. The winding includes two central sections and an end section. The end section connects the... Agent:

20120043862 - Motor: A motor includes a shaft, a bearing arranged to support the shaft such that the shaft is rotatable about a central axis, a rotating body fixed to the shaft and including a rotor magnet arranged in an outer circumference thereof, a stator arranged radially outward of the rotor magnet, a... Agent: Nidec Corporation

20120043863 - Electrical machinery and apparatus: In an electrical machinery and apparatus, a storage space is formed along an extension direction of a strand, and a temperature sensor is installed in the storage space of the strand, so that temperature of the strand can be immediately measured, and no pressure is applied to the temperature sensor... Agent: Hitachi, Ltd.

20120043839 - Connecting structure for relay terminal: A connecting structure for relay terminals (10) made of enameled wires and adapted to electrically connect motor side terminals (51) provided on a motor (50) and inverter side terminals (61) provided on an inverter (60) includes motor side annular connecting portions (11) to be connected to the motor side terminals... Agent: Sumitomo Wiring Systems, Ltd.

20120043838 - Electrical connector for a motor: An electrical contact is provided. The contact includes a positioning body configured to position the contact in a connector housing, wherein the connector housing is mounted to a housing of the motor. A wire end extends from the positioning body and is configured to be positioned within the housing of... Agent: Tyco Electronics Corporation

20120043840 - Electric motor and motor with a reduction gear: In an electric motor, permanent magnets are disposed on flat sections of a peripheral wall of the yoke, which is formed to be polygonal seen in plan view in the axial direction, a first bearing section which rotatably supports one end of the rotary shaft is integrally formed on a... Agent:

20120043841 - Electromotive drives: A transmission having a plurality of tilting balls and opposing input and output discs provides an infinite number of speed combinations over its transmission ratio range. The transmission provides multiple powerpaths and can be combined with electrical components to provide motor/generator functionality, which reduces the overall size and complexity of... Agent: Fallbrook Technologies Inc.

20120043842 - Hydrodynamic bearing assembly and motor including the same: Disclosed are a hydrodynamic bearing assembly and a motor including the same. The hydrodynamic bearing assembly may include a sleeve supporting a shaft to allow a top portion of the shaft to be protruded upwardly in an axial direction and including a coupling part of which a bottom end is... Agent: Samsung Electro-mechanics Co., Ltd.

20120043844 - Direct drive rotor with metal coupler: An overmolded-type rotor for an outer rotor-type electric motor, wherein, in addition to a backing ring and magnets, a metallic coupler that comprises an inner axial surface configured to interface with a shaft to be driven by the rotor and an outer axial surface that corresponds to a multiplicity of... Agent: Emerson Electric Co.

20120043843 - Motor rotor and motor having the motor rotor: A motor rotor includes an annular body and a positioning protrusion installed on an inner lateral surface of the annular body. A magnetic body may be positioned by propping its lateral surface against the positioning protrusion, without the use of additional jigs. Therefore, the time needed to assemble the magnetic... Agent: System General Corporation

20120043847 - Electric motor: An alternator comprising a rotor having plural magnetic poles in the circumferential direction; and a stator whose teeth are disposed opposite to the periphery of the rotor, with an air gap interposed between the rotor and the stator, wherein the coil conductors are wound on the stator so that two... Agent: Hitachi, Ltd.

20120043846 - Motor with impedance balanced winding: A three-phase electric motor assembly is configured to include phase windings that are substantially equally distributed between radially inner portions and radially outer portions within axial slots of a stator core. At least two of the phase windings each include radial inner portions within selected slots and radial outer portions... Agent: Emerson Electric Co

20120043845 - Sensorless three-phased bldc motor and stator thereof: A sensorless three-phased brushless direct current (BLDC) motor comprises a stator, a rotor and a driving unit. The stator has a first-phased coil, a second-phased coil and a third-phased coil. Each of the first-phased, second-phased and third-phased coils has a varying inductance value. The varying inductance value has an inductance... Agent:

20120043848 - Continuously formed annular laminated article and method for its manufacture: An apparatus and method for the production of relatively large diameter annular components, such as stator cores for electric motors, without excessive waste of material. In one embodiment, a first progressive die assembly forms a plurality of identical pole pieces each made of a plurality of individual stacked and interlocked... Agent: L.h. Carbide Corporation

20120043849 - Stator for electric rotating machine and method for manufacturing the same: The stator for the electric rotating machine includes a stator core that has slots, a stator coil, and an impregnant applied to the inner surface of the stator core. The stator core has a plurality of teeth that divide the slots. The teeth with chamfered surfaces and ones without chamfered... Agent: Denso Corporation

20120043850 - Electrical rotary joint: A simple planetary or epicyclic gear mechanism consists of a sun gear in the center, an internal or ring gear with a common axis with sun gear, and at least one planet gear. The planet gear is located between the sun gear and ring gear, and meshes with both the... Agent:

20120043851 - Electrostatic induction generation device and electrostatic induction generation apparatus: An electrostatic induction generation device comprising a first fixed electrode substrate having a first electret electrode, a second fixed electrode substrate having a second electret electrode, a movable electrode substrate having a movable electrode, a holding frame formed separately from the movable electrode, a first pair of electrode support beams... Agent: Seiko Epson Corporation

20120043852 - Flooring systems and methods of making and using same: The various embodiments of the present invention are directed to floating floor systems and to methods of making and using the floor systems. The floating floor systems generally include a floating flooring unit (704) and a mechanical-energy-harvesting device (710). The mechanical-energy-harvesting device can be incorporated into the flooring unit component... Agent: Mohawk Carpet Corporation

20120043854 - Ceramic electronic component and method for manufacturing the same: A ceramic electronic component has a ceramic element assembly, external electrodes, and metal terminals. The external electrodes are arranged on the surface of the ceramic element assembly. The external electrodes contain a sintered metal. The metal terminals are electrically connected to the external electrodes, respectively. The external electrode and the... Agent: Murata Manufacturing Co., Ltd.

20120043853 - Compound having piezoelectric property, piezoelectric device, liquid discharge head using the piezoelectric device, and ultrasonic motor using the piezoelectric device: c

20120043855 - Inertial sensor: Disclosed herein is an inertial sensor of the present invention. An inertial sensor 100 according to a preferred embodiment of the present invention includes a plate-shaped membrane 110, a mass body 120 disposed under a central portion 113 of the membrane 110, a post 130 disposed under an edge 115... Agent: Samsung Electro-mechanics Co., Ltd.

20120043857 - Actuator and method for driving actuator: s

20120043856 - Piezoelectric power generator: A piezoelectric power generator having a first elastic body which deforms along a first direction when subject to a stress, and a power-generating element. The power-generating element includes a second elastic body and a piezoelectric element. The second elastic body includes a fixing portion and an abutting portion. The fixing... Agent: Murata Manufacturing Co., Ltd.

20120043858 - Energy harvesting devices using carbon nanotube (cnt)-based electrodes: Energy harvesting elements or membranes are provided that use a layer of electrodes with a mixture of carbon nanotubes (CNT). The energy harvesting device of this type can be used as in sensor-based system in which on application of a bending load, the energy harvesting device produces a voltage across... Agent: Indian Institute Of Science

20120043859 - Method of manufacturing the piezoelectric device and the same: To provide a piezoelectric device prevented from overflowing of sealing materials. The piezoelectric device (100) stores a piezoelectric vibrating piece (30) having a pair of excitation electrodes. The piezoelectric device comprises: a package lid (10), including a first bonding surface (M1) formed in periphery of the package lid in a... Agent: Nihon Dempa Kogyo Co., Ltd.

20120043860 - Piezoelectric vibrating devices and methods for manufacturing same: Piezoelectric vibrating devices are disclosed that lack base through-holes and that can be manufactured on a wafer scale. Also disclosed are methods for making same. An exemplary piezoelectric device has a package base having first and second opposing main surfaces. On the second (outer) first main surface is formed a... Agent: Nihon Dempa Kogyo Co., Ltd

20120043861 - Methods and apparatuses for attaching a stator core to a generator frame: A generator including a generator frame (2, FIG. 1), frame rings (4) extending from an inside surface of the frame (2), stacked laminations forming a stator core (88) disposed within the generator frame (2), a spring bar (40, FIG. 2) spanning a distance between at least two frame rings (4),... Agent:

02/16/2012 > 24 patent applications in 22 patent subcategories.

20120038228 - Linear motor with reduced force ripple: To further reduce force ripple of a linear motor, a primary part has a plurality of windings sequentially arranged in an axial direction and subdivided in the axial direction into groups having an identical number of windings. The sequence of the association of the windings with the phases of a... Agent: Siemens Aktiengesellschaft

20120038229 - Motor and electrical equipment equipped with same: A motor includes a stator having a stator iron-core on which a winding is wound, a rotor having a rotary body holding a permanent magnet opposed to the stator along a circumferential direction and a shaft joined to the rotary body such that it extends through the rotary body at... Agent: Panasonic Corporation

20120038230 - Rotating electric machine and production method for rotating electric machine: A rotating electric machine includes: a stator in which a stator coil is mounted to a plurality of slots formed on a stator core; and a rotor that is rotatably disposed inside the stator. A slot groove, having a predetermined depth and a predetermined width from an end face of... Agent:

20120038231 - Motor device: Provided is a motor device in which the entire length of a motor can be shortened as much as possible while the positional deviation of a shaft in a thrust direction is prevented and a shaft length sufficient to suppress the inclination of the shaft can be ensured. A motor... Agent: Nidec Sankyo Corporation

20120038232 - Axial magnetic suspension: The present invention generally relates to an apparatus and method for axially supporting a shaft. In one aspect, a magnetic suspension system for supporting a shaft in a housing is provided. The magnetic suspension system includes an array of magnet members disposed between the shaft and the housing. The array... Agent:

20120038233 - Magnetic bearing, a rotary stage, and a reflective electron beam lithography apparatus: A magnetic bearing (108) with an axis of rotation (106), wherein the magnetic bearing comprises: a cylindrical rotor (116) comprising a ferromagnetic material (118, 338, 440) wherein the cylindrical rotor has an axis of symmetry (114), wherein the cylindrical rotor has an inner radius (124), wherein the cylindrical rotor has... Agent: Koninklijke Philips Electronics N.v.

20120038234 - Compact high power alternator: An apparatus for converting between mechanical and electrical energy, particularly suited for use as a compact high power alternator for automotive use and “remove and replace” retrofitting of existing vehicles. Various aspects of the invention provide a means of significantly increasing the output of permanent magnet alternators while addressing the... Agent: Magnetic Applications, Inc.

20120038235 - Spindle motor: Disclosed herein is a spindle motor including: a rotating part including a hub coupled to a rotating shaft and a magnet coupled to the hub; and a fixing part including a sleeve supporting the rotating shaft and an armature facing the magnet, wherein the magnet has a contact part formed... Agent: Samsung Electro-mechanics Co., Ltd.

20120038236 - Permanent magnet rotating electric machine and electric car using the same: A permanent magnet rotating electric machine comprises a stator having stator windings wound round a stator iron core and a permanent magnet rotor having a plurality of inserted permanent magnets in which the polarity is alternately arranged in the peripheral direction in the rotor iron core. The rotor iron core... Agent: Hitachi, Ltd.

20120038237 - Brushless motor: A brushless motor has a stator and a rotor. The stator has a stator core and stator windings. The stator core has a stator yoke and teeth extending radially inwardly from the stator yoke. The stator windings are formed by concentrated coils wound on the teeth. The rotor has a... Agent:

20120038238 - Ac generator for vehicle: A vehicular AC generator includes: a rotor (1) with a plurality of magnetic poles (113), assuming a shape for suppressing bias magnetism, and disposed along a circumferential direction, which includes a field winding (12); a stator (2) disposed so as to leave a gap between the rotor (1) and the... Agent: Hitachi, Ltd.

20120038239 - Dry mica tape and insulation coils manufactured therewith: A dry mica tape includes a base material, a binder resin layer A formed on the base material and including an epoxy resin and an accelerator, a mica paper layer formed in contact with the binder resin layer A, and a binder resin layer B formed in contact with the... Agent: Hitachi, Ltd.

20120038240 - Fuel pump and method of making the same: A fuel pump includes a pump part, a motor part, two brushes, two pigtails, and an urging member. Each pigtail is made of a linear conductive member and includes one end portion electrically and mechanically connected to its corresponding brush. The urging member includes one end engaged with a motor... Agent: Denso Corporation

20120038241 - Device for axial tensioning of a stator coil of an electrical machine: An apparatus axial stresses a stator winding of an electrical machine, the winding including a plurality of winding bars, the ends of the winding bars passing axially out of a core of a stator and forming a widened end winding at least one axial end face of the core. A... Agent: Alstom Technology Ltd

20120038242 - Ultrasonic probe and ultrasonic imaging apparatus: Artifacts due to lateral wave that occurs in a substrate of a Capacitive Micro-machined Ultrasonic Transducer is reduced. The substrate thickness of the ultrasonic transducer is set in an optimum range to efficiently radiate the energy of lateral wave in the sensitive band 91 of the ultrasonic transducer to the... Agent: Hitachi Medical Corporation

20120038243 - High efficiency 4-pi negatron beta-3 particle emission source fabrication and its use as an electrode in a self-charged high-voltage capacitor: The present invention is directed to an encapsulated β− particle emitter that comprises a sol-gel derived core that comprises a β−-emitting radioisotope and an encapsulant enclosing the core through which at least some of the β− emissions from the β−-emitting radioisotope pass, wherein the encapsulant comprises a substrate and a... Agent: Trace Photonics, Inc.

20120038244 - Piezoelectric vibration device, method of manufacturing the same, and method of adjusting resonant frequency: A method of manufacturing a piezoelectric vibration device having a surface acoustic wave element includes a step of forming a functional film adapted to increase a velocity of a wave on a surface of the surface acoustic wave element. Further, the Young's modulus of the functional film is higher than... Agent: Seiko Epson Corporation

20120038245 - Smart material actuator adapted for resonant operation: A smart material actuator having a fixed supporting member, mechanical web, actuating arm, and piezoelectric or smart material stack is disclosed, together with a sensor adapted to indicate the degree of motion of the actuating arms and controller adapted to allow safe operation of the actuator in resonant conditions. Methods... Agent: Viking At, LLC

20120038246 - Ultrasonic motor: An ultrasonic motor includes a transducer configured to be assembled as one unit by a piezoelectric device, a holding member, and a friction contact member, a hollow rotor configured to contact the friction contact member, the rotor rotating around a shaft in a direction perpendicular to a plane direction of... Agent: Olympus Corporation

20120038247 - Ultrasonic motor: An ultrasonic motor includes a transducer configured to be assembled as one unit by a piezoelectric device, a holding member, and a friction contact member, a hollow rotor configured to contact the friction contact member, a first driving force transmitting member, a press member and a support mechanism. The support... Agent: Olympus Corporation

20120038248 - Ultrasonic transducer for use in a fluid medium: An ultrasonic transducer for use in a fluid medium includes at least one piezoelectric transducer element, at least one matching body for the promotion of a vibrational coupling between the piezoelectric transducer element and the fluid medium, and at least one compensating body situated between the piezoelectric transducer element and... Agent:

20120038249 - Novel responsive polymer system and nanohybrid thin films: This disclosure discloses novel responsive polymers that comprise a rod segment and (or) a coil segment. This disclosure also discloses nanomaterial-polymer composite comprising the responsive polymers that are covalently linked with nanomaterials. Also disclosed are polymeric transducer materials and sensor systems that comprise the nanomaterial-polymer composite.... Agent: The Regents Of The University Of California

20120038250 - Wind energy generator using piezoelectric material and auxiliary mechanism thereof: A wind energy generator using a piezoelectric material and an auxiliary mechanism thereof are disclosed. The wind energy generator comprises the auxiliary mechanism and the piezoelectric material. The auxiliary mechanism comprises a wind collecting device and a wind driving device. The wind collecting device is used for collecting a wind... Agent:

20120038251 - Flexural vibration element and electronic component: A flexural vibration element includes: a plurality of vibrating arms provided in parallel with each other; a connecting part connecting the vibrating arms; and one central supporting arm extending between the vibrating arms from the connecting part in parallel with the vibrating arms at equal distance from the arms. In... Agent: Seiko Epson Corporation

02/09/2012 > 31 patent applications in 25 patent subcategories.

20120032534 - Linear vibrator: Disclosed herein is a linear vibrator, including: a stator including a coil; and a vibrator including a magnet opposite to the coil, wherein the linear vibrator is linearly vibrated due to electromagnetic induction of the coil and the magnet, the magnet is formed in a disc shape in which a... Agent: Samsung Electro-mechanics Co., Ltd.

20120032535 - Linear vibrator: A linear vibrator is disclosed, characterized by: a housing; a stator fixed inside the housing; a vibrating unit formed with an opening for surrounding the stator and vibrating inside the housing by being interactive with the stator; and an elastic member elastically supporting the vibrator inside the housing, whereby the... Agent: Lg Innotek Co., Ltd.

20120032536 - Electric motor and electric equipment with same: A motor includes a stator integrally molded together with a stator member, which includes a stator iron-core wound with a winding, by insulating resin, a rotor mounted on a shaft as a center and confronting the stator, two bearings supporting the shaft rotatably, brackets fixing the bearings, and a drive... Agent: Panasonic Corporation

20120032537 - Radial anisotropic magnet manufacturing method, permanent magnet motor using radial anisotropic magnet, and iron core-equipped permanent magnet motor: To improve tranquility and controllability of an iron core-equipped permanent magnet motor with an improved maximum energy product (BH)max by improving shape compatibility of a radial anisotropic magnet, there is provided a radial anisotropic magnet manufacturing method of fixing magnet powder in a net shape so as to maintain a... Agent:

20120032538 - Rotational electrical machine and vehicle drive device: A rotating electrical machine configured with a rotor and stator. The rotor is rotatably supported radially inside of a stator that has coil end portions on both sides in an axial direction, and which is structured so that oil is supplied from an axial first direction side to the coil... Agent: Aisin Aw Co., Ltd.

20120032539 - Permanent magnet rotating machine: A permanent magnet rotating machine has a stator, in which armature windings are formed in a plurality of slots formed in a stator iron core, and also has a rotor, in which two magnet insertion slots are formed for each pole in a rotor iron core in a V shape... Agent: Hitachi, Ltd.

20120032540 - Phase lead connection for parallel path electric machine: A stator for an electric machine includes a stator winding located at a stator core. The stator winding has one or more phases, each phase including a single unitary conductor having at least two conductor segments arranged in an electrically parallel relationship. A connection portion is formed in the single... Agent: Remy Technologies, L.L.C.

20120032541 - Brush dc motor with reduction mechanism: A brush DC motor with reduction mechanism includes: a brush DC motor including a motor case, a stator section and a rotor section having a substantially cylindrical core, the stator section and the rotor section being received in the motor case; and a first reducing section drivable by the motor.... Agent:

20120032542 - Water-proof dust-proof and salty-mist-proof cooling fan: A water-proof dust-proof and salty-mist proof cooling fan, comprising: a fan frame, which is provided with a fixing round stage inside, and a fixing sleeve is disposed in a center of said fixing round stage; a ring-shaped U slot is provided in a bottom end surface of said round stage,... Agent: Rotechnic Company Limited

20120032543 - Oil composition comprising functionalized nanoparticles: An improved oil composition is disclosed. The oil composition includes a base oil comprising a hydrocarbon, the base oil having a base thermal conductivity. The oil composition also includes a first additive comprising a plurality of derivatized first additive nanoparticles dispersed within the base oil to form a modified oil... Agent: Baker Hughes Incorporated

20120032544 - Vehicle drive device: In a rotating electrical machine configured with a rotor and stator, a lubricant supply portion is configured to supply a lubricant from within. A communication passage is provided in either the rotor support member or the sensor rotor, and is configured so as to provide a passage from a first... Agent: Aisin Aw Co., Ltd.

20120032545 - Magnetic-controlled actuator with auto-locking function for joints of manipulation arm: A magnetic-controlled actuator (100) with an auto-locking function for joints of a manipulation arm mainly includes an inner-layer stator (10), an inner-layer mover (20), an outer-layer mover (30), an outer-layer stator (40), and a fixing shaft (50). The inner-layer mover (20), the outer-layer mover (30), and the outer-layer stator (40)... Agent:

20120032547 - Magnet ring of a multi-pole generator for a wind turbine: In the case of a magnet system (1) of a multipole generator, in particular for a wind energy installation or wind power installation, comprising a magnet ring (2, 2′, 2a′-2c′, 2a-2j) having a support (5) on whose external circumference or internal circumference individual permanent magnets (4, 4′) are arranged in... Agent: Avantis Ltd.

20120032546 - Wind turbine generator and maintainance method thereof: A wind turbine generator includes: a main shaft; a generator having a rotor and a stator; and a sleeve coupled to the rotor and inserted onto the main shaft. The stator includes: stator magnetic poles arrayed circumferentially of the main shaft; and first and second stator plates rotatably coupled to... Agent: Mitsubishi Heavy Industries, Ltd.

20120032548 - Device for fixing magnets: The invention relates to an electric machine (10), in particular a generator for a motor vehicle, comprising an exciter system composed of a plurality of electrically excited salient poles. The salient poles can be designed within the stator (16) or rotor (20) in the form of electromagnetically excited poles (22,... Agent:

20120032549 - Permanent magnet machine: A permanent magnet electric machine with optimum motoring efficiency is disclosed. It is adapted for use in a hybrid electric vehicle powertrain. An asymmetric magnetic flux distribution pattern in the rotor of the machine is established by asymmetrically positioning rotor openings relative to rotor magnets to improve operating efficiency of... Agent: Ford Global Technologies, LLC

20120032550 - Electric connection of conductor ends arranged in pairs and method for establishing the connection: The invention relates to the electric connection of conductor ends (26b), which are arranged in pairs and are positioned on top of each other, of a winding comprising individual conductors and to a method for establishing the connection, wherein a plurality of the conductor ends in pairs are arranged next... Agent: Robert Bosch Gmbh

20120032551 - Stator for rotary electric machine and method of manufacturing the same: A stator includes a ring-shaped stator core having a plurality of slots arranged in a circumferential direction and a stator coil wound around the slots. The stator coil disposed within the slots is fixed by an impregnating material applied from an inner peripheral side of the stator core. An innermost-diameter... Agent: Denso Corporation

20120032552 - Rotor and process for producing the same: The invention relates to a rotor that exhibits a rotor shaft, by which a rotor axis is defined, and also a core stack that is arranged around the rotor shaft along a longitudinal portion of the rotor axis. Along the longitudinal portion the rotor shaft exhibits a first surface region,... Agent: Hirschvogel Umformtechnik Gmbh

20120032553 - Actuator: An expansion and contraction actuator has a first long actuator portion and a second long actuator portion that face each other and connection members that connect the long sides of each of the first long actuator portion and the second long actuator portion to each other, in which a part... Agent: Canon Kabushiki Kaisha

20120032554 - Transducer having natural unidirectionality for surface acoustic waves: The invention relates to a transducer having natural unidirectionality for surface acoustic waves, wherein an interdigital electrode structure is arranged on a piezoelectric crystal substrate and is constructed with interdigital transducers comprising collecting electrodes and fingers, wherein at least two of the fingers form a transducer cell, which comprises at... Agent: Vectron International Gmbh & Co. Kg

20120032555 - Circuit for compensating influence of temperature on a resonator: The invention relates to a device for compensating influence of temperature on a resonator circuit. The device comprises a resonator circuit and a supply unit for supplying an electric bias signal to the resonator circuit, wherein the supply unit is adapted for adjusting the electric bias signal for compensating influence... Agent: Nxp B.v.

20120032556 - Method for operating an output stage for at least one piezoactuator: A method for operating an output stage for a piezoactuator includes checking, during an operating phase, in response to the undershooting of a current for the piezoactuator below a setpoint current, whether a point in time for the undershooting lies outside or within a time window. A subsequent current pulse... Agent:

20120032557 - Vibration generating device, driving method therefor, foreign substance removing device, and optical device: Provided is a vibration generating device in which more improvement of drive efficiency can be realized than conventional ones. The vibration generating device includes: a piezoelectric element including a piezoelectric material interposed between electrodes; a vibration member; a power source for applying an alternating voltage to the piezoelectric element; and... Agent: Canon Kabushiki Kaisha

20120032558 - Ultrasonic motor: In an ultrasonic motor, an elliptical vibration is generated by combining a longitudinal primary resonance vibration, resulting from an expansion and a contraction of a vibrator in a direction of a central axis, and a torsional secondary resonance vibration or a torsional tertiary resonance vibration resulting from twisting of the... Agent: Olympus Corporation

20120032559 - Actuator and actuator structure: An actuator includes a first bending portion having a first electrode layer, a first electrolyte layer on a first surface of the first electrode layer, and a second electrode layer in contact with the first electrolyte layer; and a second bending portion having the first electrode layer, a second electrolyte... Agent: Canon Kabushiki Kaisha

20120032560 - Apparatus and method for downhole energy conversion: An apparatus for generating electrical energy in downhole tool is disclosed. In one exemplary embodiment, such apparatus includes a tubular configured to flow a fluid within the tubular and an energy conversion device at a selected location inside the tubular, wherein the energy conversion device comprises an active material configured... Agent: Baker Hughes Incorporated

20120032562 - At-cut quartz-crystal device and methods for manufacturing same: The present disclosure provides a manufacturing method of a quartz-crystal device, in which its lid and base is manufactured with smaller thermal expansion coefficient between AT-cut quartz-crystal wafer. The method for manufacturing a quartz-crystal device comprises the steps of: preparing an AT-cut quartz-crystal wafer (70) having a plurality of frames,... Agent: Nihon Dempa Kogyo Co., Ltd.

20120032563 - Mesa-type at-cut quartz-crystal vibrating piece and the quartz-crystal device: The present disclosure provides a mesa-type AT-cut quartz-crystal vibrating piece, in which amount of the vibrating unit is adjusted to appropriate amount, in order to inhibit unnecessary vibration and to prevent degradation. The mesa-type AT-cut quartz-crystal vibrating piece (30) for vibrating piece vibrates at 38.400 MHz comprises a rectangular excitation... Agent: Nihon Dempa Kogyo Co., Ltd.

20120032561 - Piezoelectric device with tuning-fork type piezoelectric vibrating piece: To provide the piezoelectric device and the manufacturing method thereof, in which the quartz-crystal side surface electrodes and the base side surface electrodes are ensured to be electrically connected without disconnection. The piezoelectric device (100) comprises: a piezoelectric vibrating piece (21), an outer frame (22), a piezoelectric frame (20) for... Agent: Nihon Dempa Kogyo Co., Ltd.

20120032564 - Polymer actuator device: A polymer actuator device includes an electrolyte layer, a pair of electrode layers that are provided on both surfaces of the electrolyte layer in a thickness direction of the electrolyte layer, a polymer actuator that is bent when a voltage is applied between the pair of electrode layers, and terminal... Agent: Alps Electric Co., Ltd.

02/02/2012 > 45 patent applications in 37 patent subcategories.

20120025633 - Voice coil motor: A VCM (voice coil motor) is disclosed, the VCM including: a rotor including a lens-accommodating, both ends opened cylindrical bobbin and a coil block including a coil wound on a periphery of the bobbin; a stator including a cylindrical yoke formed with a lens-exposing opening, a plurality of magnets disposed... Agent: Lg Innotek Co., Ltd.

20120025634 - Electric machine: An electrical machine is provided, comprising a stator (8) and a rotor (9). The stator comprises slots (1, 2) for receiving a coil of an electrical winding. The coil has a first number of turns (n1) in a first slot (1) and a second number of turns (n2) in a... Agent: Feaam Gmbh

20120025635 - Linear motor actuator: Provided is a linear motor actuator capable of oscillating a mover without using mechanical resilience of an elastic body. A first permanent magnet 3a and a second permanent magnet 3b magnetized in an axis direction are disposed in a mover 4 in the direction of the axis. A first coil... Agent: Thk Co., Ltd.

20120025636 - Motor for high temperature applications: A high temperature motor has a stator with poles formed by wire windings, and a rotor with magnetic poles on a rotor shaft positioned coaxially within the stator. The stator and rotor are built up from stacks of magnetic-alloy laminations. The stator windings are made of high temperature magnet wire... Agent:

20120025637 - Transverse and/or commutated flux systems configured to provide reduced flux leakage, hysteresis loss reduction, and phase matching: Electrical machines, for example transverse flux machines and/or commutated flux machines, may be configured to achieve increased efficiency, increased output torque, and/or reduced operating losses via use of extended magnets, overhung rotors, and/or stator tooth overlap. Extended magnets may reduce flux leakage between adjacent flux concentrators. Overhung rotors may reduce... Agent: Motor Excellence LLC

20120025638 - Apparatus for cooling an electric machine: Provided is an apparatus, for example, for use with a rotating electric machine, that includes a housing. The housing can include a housing main portion and a housing end portion. The housing main portion can be configured to be disposed proximal to a body portion of a stator section of... Agent: General Electric Company

20120025639 - Apparatus for a high speed sleeveless rotor: A high-speed sleeveless rotor for an electric machine is provided. The rotor includes a shaft rotatable about a longitudinal axis, and a rotor core circumscribing at least a portion of the shaft wherein the rotor core includes an axially oriented slot. The slot includes a radially outer slot opening, a... Agent:

20120025641 - Method and device for cooling an electric machine: In a slowly-running electric machine, such as a bulb turbine generator, air circulation for cooling is supplied by externally driven fans. A cooling device is mounted on the pressure or the suction side of the fan and the rotor and the stator are mounted on the suction side of the... Agent: Va Tech Hydro Gmbh

20120025640 - Motor: A motor including a housing, a stator assembly, a rotor assembly, a controller, and a top end cover. The housing includes a cavity. The stator assembly includes a stator core and a stator winding and is housed in the cavity. The top end cover is disposed on the top of... Agent: Zhongshan Broad-ocean Motor Manufacturing Co., Ltd.

20120025642 - Rotating electric machine: A rotating electric machine that can be improved in cooling performance is provided. An end plate includes an annular plate portion arranged to be spaced from a rotor in an axial direction and secured to a rotation shaft, and a tubular portion protruding from an outer edge of the annular... Agent: Nippon Soken, Inc

20120025677 - Direct-current motor and hub unit: In a motor, a motor case includes a first case and a second case separable from each other in a direction of an axis of a rotation shaft of a rotor. The first case and the second case each have cut-away portions extending parallel to the axis from a separation... Agent: Sanyo Electric Co., Ltd.

20120025676 - Fan embedded power generator: A power generator, such as a permanent magnet alternator (“PMA”) or a permanent magnet generator (“PMG”), may be used to provide electric power to a deicing system, for example. The power generator is embedded within a spinner, and may be in communication with a locally mounted electronic control unit (“ECU”).... Agent:

20120025643 - Motor with speed reduction mechanism: A power supply terminal 76a and a ground terminal 76b are respectively disposed on both sides of a connector junction 72 in longitudinal direction, and the control terminals 77a to 77f are disposed between the power supply terminal 76a and the ground terminal 76b, arranged in two rows in longitudinal... Agent: Mitsuba Corporation

20120025644 - Electric motor having speed change function: An electric motor having a speed change function is configured to differentiate a rotational speed of a rotor from a rotational speed of an output shaft outputting a torque transmitted from the rotor. The electric motor includes: a stator coil arranged on an inner circumferential face of a cylindrical outer... Agent: Toyota Jidosha Kabushiki Kaisha

20120025645 - Electric starter motor: An electric starter motor for an internal combustion engine includes a rotatable output axle, a driving member mounted around the output axle, an output gear rotatably mounted around the output axle, and a friction member sandwiched between the output gear and the driving portion of the driving member. The output... Agent:

20120025646 - Cooling tower motor having improved moisture protection: An electrical motor has been developed having an epoxy, which encapsulates a stator winding to protect the stator winding from the humid and damp atmosphere associated with a cooling tower. The electrical motor includes a stator core, a stator winding configured about the stator core, and an epoxy encapsulating at... Agent: Emerson Electric Co.

20120025647 - Spindle motor: Disclosed herein is a spindle motor. The spindle motor includes a rotor and a stator. The rotor includes a rotating shaft and a rotor casing which is provided with a magnet. The stator rotatably supports the rotor. The stator includes an armature facing the magnet. When the rotor casing rotates... Agent: Samsung Electro-mechanics Co., Ltd.

20120025648 - Axially-adjustable magnetic bearing and a method of mounting it: The axially adjustable magnetic bearing comprises an annular body secured to a support, a magnetic bearing stator structure having an annular sheath for supporting electromagnet windings placed concentrically relative to said body, and an annular rotor armature placed concentrically relative to the stator structure, leaving an airgap relative thereto. The... Agent:

20120025649 - Motor mounting plate: A motor mounting plate, composed of a metallic plate, includes: a disc-shaped plate body having a mounting portion to which a motor is mounted, and at least three flanges formed at a circumferential edge of the plate body, the flanges mounted at predetermined locations, an angle between adjacent flanges around... Agent: Minebea Co., Ltd.

20120025650 - System and method for power purifying: A system and method for power purification is provided. The system contains a power source. A motor is connected to the power source. A plurality of rotating elements is provided, each rotatable about a primary axis, wherein each of the plurality of rotating elements supports at least one magnet, wherein... Agent:

20120025651 - Sintered magnet and rotating electric machine using same: A sintered magnet according to the present invention is a sintered magnet configured from a magnetic powder grain having Nd2Fe14B as a main component, in which: fluorine, a heavy rare earth element, oxygen, and carbon are segregated in part of grain-boundary regions of said sintered magnetic powder grain; concentration of... Agent:

20120025652 - Generator: The generator comprises a stator (10) having a plurality of protruding portions for stator pole (12) on the outer peripheral surface of the stator main unit (11), and a rotor (20) having a plurality of protruding portions for rotor (22) mounted around the stator (10) in a rotatable state. Since... Agent: Tohoku University

20120025653 - Aggregate magnetization skew in a permanent magnet assembly: A permanent magnet for use in an electro-dynamic machine. The permanent magnet has a longitudinal axis and a plurality of ferromagnetic ring members arranged in a co-axial stack. Each ring member has a plurality of arcuate magnetic poles arranged around a circumference of the ring members. The ring members are... Agent:

20120025654 - Rotor of a permanent magnet synchronous machine: A rotor for a permanent magnet synchronous machine includes a basic body defining a center. Permanent magnets are arranged on a circumferential surface of the basic body to thereby form magnetic poles. Each magnetic pole is formed in a circumferential direction by at least two permanent magnets and defined by... Agent: Siemens Aktiengesellschaft

20120025655 - Motor rotor and motor having the motor rotor: A motor rotor includes an annular body and a magnetic body installed on an inner lateral surface of the annular body. The magnetic body has a first curved surface and a second curved surface opposing the first curved surface. The magnetic body props against the inner lateral surface of the... Agent: System General Corporation

20120025656 - Universal motor: A universal motor includes a wound rotor and a stator. The stator has stator windings and a stator core. The stator core has at least two poles with the stator windings wound thereon and a yoke connecting the poles. Each pole has a neck and a pole shoe forming a... Agent:

20120025657 - Vehicle ac generator: In order to provide a vehicle AC generator capable of easily setting an attachment direction of a battery terminal and reducing the total shaft length of the generator, in the vehicle AC generator including a case composed of a front bracket and a rear bracket, and a rotor and a... Agent: Mitsubishi Electric Corporation

20120025658 - Stator: To provide a stator capable of achieving downsizing and high output power and a stator manufacturing method, a stator comprises a split stator core including teeth and slots formed between the teeth, and protrusion-formed coils each being made of a flat rectangular conductor and placed in the slots. Each protrusion-formed... Agent: Toyota Jidosha Kabushiki Kaisha

20120025659 - Armature winding of rotating electrical machine: According to one embodiment, there is provided a 3-phase 2-pole 2-layer armature winding, housed in 72 slots provided in a laminated iron core, a winding of each phase including six parallel circuits separated into two phase belts. Upper coil pieces of first and fourth parallel circuits are placed at 3rd,... Agent: Kabushiki Kaisha Toshiba

20120025660 - Multiple conductor winding in stator: An electric machine includes a stator disposed about an axis in register with the rotor. The stator has a plurality of slots parallel to the axis. A plurality of windings with generally rectangular cross sections is provided with each winding having a first portion disposed radially inward of a second... Agent:

20120025662 - Outer rotor motor: An outer rotor motor includes a stator and a rotor. The stator includes a stator core having a plurality of teeth, coils and insulators retaining the coils. The insulators are connected to each other in an annular configuration such that the teeth are inserted into the insulators. Each of the... Agent: Honda Motor Co., Ltd.

20120025661 - Outer-rotor salient-pole concentrated winding motor: An outer-rotor salient-pole concentrated winding motor includes a salient-pole concentrated winding stator and a rotor. The salient-pole concentrated winding stator includes stator core, coils and insulators. The stator core has a plurality of teeth that extend outward in a radial direction of the stator. Each of the insulators includes a... Agent: Honda Motor Co., Ltd.

20120025663 - Rotating electric machine: A rotating electric machine includes a rotor, a stator and a load side bracket. The rotor has an outer rotor surface around a rotational axis. The stator is provided to surround the outer rotor surface. The stator includes a stator core and a stator coil. The stator core has teeth.... Agent: Kabushiki Kaisha Yaskawa Denki

20120025664 - Magnetic circuit structure: A magnetic circuit structure, such as a motor, is provided with: a rotor having rotor-side magnetic poles formed on the outer surface; and a stator having stator-side magnetic poles formed on the inner surface. The magnetic circuit structure has an air gap between the outer surface of a rotor-side magnetic... Agent: Osaka Prefecture University Public Corporation

20120025665 - Single-phase brushless motor: A single-phase brushless motor, includes: a rotor including plural magnetic poles; a stator disposed facing the rotor via a gap and including the same number of salient poles as that of the magnetic poles; a driving coil wound around the plural salient poles; a salient pole surface having a bevel-shape... Agent: Minebea Co., Ltd.

20120025666 - Brush device having a litz wire for an electric machine: A brush device for an electric machine is described, having a brush mount that has a brush which is accommodated in it and having a first integrated litz wire, having a first spring, which prestresses the brush against a commutator. In order to create an E machine having an improved... Agent:

20120025667 - Method for manufacturing a piezoelectric film wafer, piezoelectric film element, and piezoelectric film device: A method for manufacturing a piezoelectric film wafer includes a first processing step for carrying out an ion etching on a KNN piezoelectric film formed on a substrate by using a gas containing Ar, and a second processing step for carrying out a reactive ion etching by using a mixed... Agent: Hitachi Cable, Ltd.

20120025668 - Piezoelectric thin film element: A piezoelectric thin film element includes a bottom electrode, a piezoelectric layer, and a top electrode on a substrate. The piezoelectric layer includes, as a main phase, a perovskite-type oxide. The bottom electrode has a surface roughness of not more than 0.86 nm in arithmetic mean roughness Ra or not... Agent: Hitachi Cable, Ltd.

20120025669 - Drive apparatus: A drive apparatus according to an embodiment includes: a movable unit configured to include a first sliding surface, and slide along the first sliding surface; a vibration generating unit configured to generate vibrations; a vibration transmitting unit configured to include a second sliding surface in contact with the first sliding... Agent: Kabushiki Kaisha Toshiba

20120025670 - Piezo drive: The invention relates to a piezo drive, in particular for use in geodesic devices, having at least one piezoelectric motor element that includes an advancing component, a running surface component, and a receptacle for the running surface component, wherein said receptacle is to be connected to a component to be... Agent: Leica Geosystems Ag

20120025671 - Electrochemical methods, devices, and structures: The present invention provides devices and structures and methods of use thereof in electrochemical actuation. This invention provides electrochemical actuators, which are based, inter-alia, on an electric field-driven intercalation or alloying of high-modulus inorganic compounds, which can produce large and reversible volume changes, providing high actuation energy density, high actuation... Agent: Massachusetts Institute Of Technology

20120025672 - Piezoelectric vibrating devices having controlled internal environment, and methods for manufacturing same: Methods are disclosed for manufacturing piezoelectric vibrating devices that do not acquire unwanted gas or water vapor inside their respective packages during manufacture and that attain such end by methods suitable for mass-production. An exemplary manufacturing method includes preparing a piezoelectric wafer having multiple piezoelectric frames; on the piezoelectric wafer... Agent: Nihon Dempa Kogyo Co., Ltd.

20120025673 - Quartz crystal device and method for sealing the same: A quartz crystal device includes a crystal resonator element and a package including a plurality of components. The plurality of components are bonded using a metal paste sealing material containing a metallic particle having an average particle size from 0.1 to 1.0 μm, an organic solvent, and a resin material... Agent: Seiko Epson Corporation

20120025674 - Piezoelectric polymer material, process for producing same, and piezoelectric element: The invention provides a piezoelectric polymer material including a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and having optical activity, the piezoelectric polymer material having a piezoelectric constant d14 at 25° C. of 10 pC/N or more, a degree of crystallinity obtained by... Agent: Mitsui Chemicals, Inc.

20120025675 - Piezoelectric vibrator element and method of manufacturing the same: A piezoelectric vibrator element provided by performing wet etching on a piezoelectric substrate includes: a thin-wall section including a vibrating section; a thick-wall section thicker than the thin-wall section; and a slit section penetrating in a thickness direction, wherein the slit section is disposed in an area intervening between the... Agent: Seiko Epson Corporation

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