Electrical generator or motor structure patents - Monitor Patents
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Electrical generator or motor structure November recently filed with US Patent Office 11/12

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.
11/29/2012 > 54 patent applications in 40 patent subcategories.

20120299398 - Motor, design method and manufacturing method of motor, stage device, and exposure apparatus: A distribution of an element to improve coercivity for each magnet is decided, based on analysis results of magnetic fields within a plurality of magnets (M26 and the like), and by structuring each of the plurality of magnets based on the distribution, it becomes possible to realize a permanent magnet... Agent: Nikon Corporation

20120299399 - Electro-magnetic engine: An electromagnetic engine including a plurality of pistons and a plurality of corresponding electromagnets. The pistons are each connected to a crankshaft and fabricated of a ferrous material. The electromagnets are spaced from the pistons in alignment therewith. An electrical power source is provided to power the electromagnets, and a... Agent:

20120299401 - Motor/generator structure: A radial gap motor/generator that may be air or liquid cooled. The motor/generator has a stator in radially spaced relation to at least one thin annular induction structure. The motor/generator has at least two spaced apart annular rings each having an inner surface and outer surface, the annular rings having... Agent:

20120299400 - Stator for an electric motor: The invention relates to a stator for an electric motor having a base body composed of stator laminates which are axially in layers with respect to a motor axis and having a number of frame-like coil formers which are fitted with stator windings, with the coil cross-sectional surfaces of said... Agent: Brose Fahrzeugteile Gmbh & Co. Kg, Wuerzburg

20120299402 - Electric power tool: There is disclosed an electric power tool in which magnetic saturation seldom occurs in a tooth of a stator without increasing the size of a motor. The electric power tool includes a motor having a stator with a plurality of teeth formed circumferentially at equal intervals and axially extending groove-like... Agent: Makita Corporation

20120299403 - Method and apparatus for cooling an electrical motor rotor: A vehicular device having a driven device and an electric motor coupled to and driving the driven device. The electric motor includes a rotor and a plurality of slots in the rotor. The rotor has a plurality of magnets. The plurality of slots includes a first slot associated with a... Agent:

20120299449 - Automotive alternator: To provide a high-quality, high-output, and low-cost automotive alternator by suppressing heat generation through the reduction of current loss in a heat dissipating plate of a rectifier without expanding a space for placing the heat dissipating plate and reducing the cooling performance of the heat dissipating plate. An automotive alternator... Agent: Hitachi Automotive Sytems, Ltd.

20120299404 - Rotor for rotating electric machine: In a rotor for the dynamo, the interior circumference face of a rotor core main body makes contact in a thermally transmissible manner with a rotor axle, and the rotor axle includes a cooling medium circulation space. The rotor is provided with a cooling medium supply member, which supplies the... Agent: Aisin Aw Co., Ltd.

20120299405 - Electric motor: An electric motor includes an inner stator including inner magnetic poles arranged circumferentially, an outer stator including outer magnets arranged circumferentially, and a rotor rotatably disposed between the inner and outer stators. The rotor includes a shaft, a rotor core fixed to the shaft and a winding wound on the... Agent:

20120299406 - Washing machine: A washing machine is disclosed. An object of the present invention is to provide a washing machine which can radiate the heat generated from the stator outside, regardless of a rotational direction of a rotor.... Agent:

20120299407 - Inverter-integrated driving module: A first inverter ventilation aperture is disposed so as to pass through a portion of a fin base that faces a bearing, a first rotor ventilation aperture is disposed so as to pass through a portion of a bottom surface portion that faces the bearing, and a first cooling airflow... Agent: Mitsubishi Electric Corporation

20120299408 - Permanent magnet rotating machine: Provided is a technology for enhancing the reliability of a permanent magnet rotating machine against thermal degradation of a permanent magnet. Specifically, provided is a permanent magnet rotating machine comprising a housing which houses a rotation shaft, a rotor connected to the rotation shaft and configured to rotate together with... Agent:

20120299409 - Electric motor and electric vehicle having the same: An electric motor disposed in an electric vehicle includes a stator, a first rotor located at an outer side of the stator, and a second rotor located at an inner side of the stator, wherein each of the first rotor and the second rotor includes a plurality of first permanent... Agent:

20120299450 - Electrical power supply device for electrically powering at least one item of equipment on a rotary rotor of an aircraft, and an aircraft: An electrical power supply device (10) for electrically powering equipment on a rotary rotor (2) of an aircraft (1), which rotor is driven by a shaft (5), said device (10) comprising a removable stick (11). The stick (11) includes an upper alternator (20) and an upper tube (12) secured to... Agent: Eurocopter

20120299451 - Stator assembly for motor and motor including the same: There are provided a stator assembly for a motor and a motor including the same. The stator assembly includes a base supporting a core having a coil wound therearound, the coil generating rotational driving force; a printed circuit board disposed between the core and the base and electrically connected to... Agent: Samsung Electro-mechanics Co., Ltd.

20120299411 - Actuator: An actuator includes a stator and a movable component movably mounted in the stator. The stator includes a yoke, a printed circuit board disposed at one axial end of the yoke, a bobbin mounted inside the yoke, windings wound about the bobbin; and multiple terminals mounted to the bobbin to... Agent: Johnson Electric S.a.

20120299413 - Electronically commutated electric motor having reduced interference emission: The invention relates to a stator assembly (7) for an electric motor (1), in particular for a rotatory claw pole motor, comprising:—an electrically conductive stator (8, 9) having a winding channel extending in the circumferential direction;—a stator winding (6) extending in the winding channel;—feed lines (5) for electrically contacting the... Agent: Robert Bosch Gmbh

20120299412 - Methods and systems for oil free low voltage conduits: A turbomachine is provided. The turbomachine comprises a compressor, at least two magnetic bearings provided at opposite ends of a compressor shaft, a motor having a motor shaft, a first electrical cable having a first end, a second end, an internal core section and an outer sheath section with the... Agent:

20120299410 - Rotary electric machine: The concentrated winding coil is mounted onto a tooth such that a coil end portion is housed inside a concave space that is formed by the trunk portion and first and second guide portions at two axial ends of the tooth. Third cover portions of an insulating sheet that is... Agent: Mitsubishi Electric Corporation

20120299414 - Tj power: TJ POWER is a process that follows the guideline mechanical energy is equal to the primary driving energy plus the secondary energy. The primary driving energy must be able to supply enough torque to drive the mechanical energy at its full output and the secondary driving energy must be able... Agent:

20120299415 - Device with integrated decoupler: An accessory that include a machine, an input shaft, a drive member and a decoupler. The machine has a housing and a rotor that is supported for rotation in the housing. The machine effects work in response to driving rotation of the rotor. The input shaft is at least partly... Agent:

20120299416 - Gear motor and gear generator: A high-torque motor device, comprising: a shaft, an electromagnetic unit with a stator and a rotor, and a single-stage planetary gear unit set onto the rotor. The single-stage planetary gear unit is provided with a planetary gear disk firmly sleeved onto the shaft, a plurality of planetary gears pivoted onto... Agent:

20120299417 - Noise-optimized starter device: The invention relates to a starter device (10) for cranking an internal combustion machine in a vehicle, having a pinion shaft (202) comprising a cranking pinion (22) at the front end and a pinion shaft (204) at the opposite end, slidingly guided and supported on a drive shaft (44) of... Agent: Robert Bosch Gmbh

20120299420 - Bearing arrangement for an electric engine: A bearing assembly for an electric machine with a stator (1) and a rotor (2) is proposed such that the rotor (2), with its rotor shaft (3), is mounted by bearings (4, 4A) on the housing. The mounting is such that the bearings (4, 4A) are thermally separated from the... Agent: Zf Friedrichshafen Ag

20120299418 - Bearing assembly and motor including the same: There is provided a bearing assembly and a motor including the same, bearing assembly including: a shaft including a first magnet provided thereon; a sleeve including a second magnet provided therein and disposed to face the first magnet so as to support the shaft; and a damping part disposed at... Agent: Samsung Electro-mechanics Co., Ltd.

20120299421 - Electrodynamic engine with a three-point suspended shaft and usage of a third bearing as an assisting shaft mount: The electro dynamic machine (1) has a rotatable supported shaft (4) and first and second axial main bearings (6, 7), spaced from one another, which facilitate rotation of the shaft (4). In addition, a third bearing (8) is provided which is designed to at least absorb radial forces created by... Agent: Zf Friedrichshafen Ag

20120299419 - Lubrication structure of power transmission apparatus: SOLUTION: A lubrication structure comprises an oil pipe 44 having discharge nozzles 44a, 44c positioned vertically above coil ends 20a, 20b and discharge nozzles 44d, 44e axially outwardly of the discharge nozzle 44c in juxtaposed relationship with each other at the other axial end portion of the oil pipe 44,... Agent:

20120299422 - Electromagnetic actuator: A body is equipped with magnetically connected radial and axial actuator targets. The radial actuator target features a cylindrical lateral surface. The axial actuator target features the first and the second end-facing surfaces. A radial pole is adapted to communicate a magnetic flux with the cylindrical lateral surface. Magnetically connected... Agent: Calnetix, Inc.

20120299423 - Assembly of driving device for brushless motor of air-conditioner: The present invention relates to an improved assembly of driving device for brushless motor of air-conditioner, which is a design providing a unitary and simple assembly of driving device of brushless motor, including a brushless motor body and a support rack. The support rack is made in the form of... Agent:

20120299425 - Closed energy combined cycle system and operation method thereof: A closed energy combined cycle system and an operation method. This includes a power supply mechanism, for providing a high voltage; a driving device, controlled by the high voltage of the power supply mechanism; and a power generation device, in which the driving device rotates the power generation device to... Agent: Shen Yang Technologies Enterprise Co., Ltd.

20120299424 - Transmission shaft having centrifugal device and transmission method thereof: A transmission shaft is disposed between a driving device and at least one driven device. At least one centrifugal device is disposed on the transmission shaft. The centrifugal device generates a centrifugal force and applies an inertia affect formed by the centrifugal force to the transmission shaft, so as to... Agent: Shen Yang Technologies Enterprise Co., Ltd.

20120299426 - Power generating structure with dual array of magnetic field: A power generating structure comprises a front magnetic disc, a rear magnetic disc, and a coil disc disposed between the front and the rear magnetic discs. The coil disc is provided with a plurality of coil units radially arranged. Each coil unit includes a plurality of coils each with a... Agent:

20120299427 - Permanent magnet motor: A permanent magnet motor has a rotor and a stator. The rotor has a shaft, a rotor core fixed to the shaft, a commutator fixed to the shaft adjacent to the rotor core, and rotor windings wound about poles of the rotor core and electrically connected to the commutator. The... Agent:

20120299428 - Swashplate-mounted permanent magnet alternator: A swashplate system includes a rotating outer ring and a non-rotating inner ring, the rotating outer ring being adapted to carry a coil of wire and the non-rotating inner ring being adapted to carry a first and a second magnet. The first and second magnets create a magnetic field and... Agent:

20120299429 - Rotor and motor: A rotor and a motor are provided in which the q-axis inductance is increased and the leakage of magnetic flux is prevented to ensure high power operation at high level driving speeds. The rotor includes a rotor core, which is formed at the center thereof with a hole coupled to... Agent: Samsung Electronics Co., Ltd.

20120299430 - Rotor for modulated pole machine: A rotor for a modulated pole machine, the rotor being configured to generate a rotor magnetic field for interaction with a stator magnetic field of a stator of the modulated pole machine, wherein said rotor includes: a tubular support structure defining a circumferential mounting surface, the tubular support structure including... Agent: Hoganas Ab (publ)

20120299431 - Interspersed multi-layer concentric wound stator: A stator includes a stator support having multiple axially extending circumferentially arranged slots. Multiple phases each include multiple coils. Each of the coils has first and second opposing sides of conductor provided in the slots. A conductor in a second side of a first phase first coil is interspersed with... Agent:

20120299432 - Motor core, stator, and method for manufacturing stator: An annular motor core has a plurality of split core pieces, each of which includes a yoke portion and a tooth. The split core pieces are circumferentially located and arranged in an annular shape such that the yoke portions of the core pieces form an annular shape as a whole... Agent: Asmo Co., Ltd.

20120299433 - Stator of a permanently excited rotating electric machine: The invention relates to a stator of a permanently excited rotating electric machine having first and second coil groups arranged directly sequentially in the circumferential direction, wherein a first central tooth having a first central tooth width MB is disposed at the center of the first coil group, wherein a... Agent: Siemens Aktiengesellschaft

20120299434 - Stator of a permanently excited rotating electric machine: A stator of a permanently excited rotating electric machine has a plurality of segments abutting each other at radially and axially extending segment boundaries. Each segment has a plurality of radially projecting teeth of uniform width and grooves extending in the axial direction and alternatingly arranged in a peripheral direction... Agent: Siemens Aktiengesellschaft

20120299435 - Method for applying a retaining system above a rotor core of an electric machine and rotor assembly: A method for applying a retaining system above a rotor core of an electric machine includes providing a rotor including a rotor core, a rotor shaft and a coupling, cutting an inner ring from the rotor, connecting a retaining ring above the rotor core with a portion thereof extending above... Agent: Alstom Technology Ltd

20120299436 - Stator for rotating electrical device and stator retaining ring: A stator for a rotating electrical device includes a stator retaining ring for the stator in a cylinder form that retains a plurality of cores. The stator retaining ring includes the cylinder portion where the cores are attached, and a plurality of fixing flanges where the stator retaining ring retains... Agent: Aisin Seiki Kabushiki Kaisha

20120299437 - Disk drive motor: A ring-shaped back yoke and a ring-shaped magnet are provided on a bottom surface of a ring-shaped opening part formed at a central portion of an alignment ring of a turntable part. The back yoke is provided with a protruding pawl which protrudes in a direction perpendicular to a plane... Agent: Minebea Motor Manufacturing Corporation

20120299438 - Thermionic generator: A thermionic generator for converting thermal energy to electric energy includes: an emitter electrode for emitting thermal electrons from a thermal electron emitting surface when heat is applied to the emitter electrode; a collector electrode facing the emitter electrode spaced apart from the emitter electrode by a predetermined distance, and... Agent: Denso Corporation

20120299439 - Micro-electro-mechanical transducers: Some examples include at least one capacitive micro-electro-mechanical transducer (cMUT). For instance, the cMUT may include a substrate, a plate, and a resilient structure therebetween. In some examples, an integrated circuit may be formed on or integrated with the plate or other portion of the cMUT. Furthermore, in some examples,... Agent: Kolo Technologies, Inc.

20120299440 - Devices comprising nanotubes or nanowires having alterable characteristics, and related methods: Devices usable as sensors, as transducers, or as both sensors and transducers include one or more nanotubes or nanowires. In some embodiments, the devices may each include a plurality of sensor/transducer devices carried by a common substrate. The sensor/transducer devices may be individually operable, and may exhibit a plurality of... Agent: Micron Technology, Inc.

20120299442 - Drive device: Disclosed is a drive device 1 which is adapted to move a driven member used on a speed difference between during extending and during contracting in a course of vibration of a vibrator. The vibrator, e.g., a piezoelectric element 4, 5, is formed in a structure which has two resonance... Agent: Konica Minolta Advanced Layers, Inc.

20120299441 - Process for producing electric circuits on a given surface: A compound (2), and a process to polarize it, are described able to form conductive or isolating tracks. The compound comprises a substrate of solvent, and a dispersion in the substrate. The dispersion comprises (i) a polymer (M) with double covalent conjugated bond, that is to say a heterocyclic compound... Agent:

20120299443 - Power generating apparatus and power generating method: When a rotating shaft member rotates, centrifugal force acts upon pressure members 152jk (j=1, . . ., J; k=1, . . . ,6) that are fixed to the rotating shaft member. When centrifugal force acts upon a pressure member 152jk, an other end portion of a second bar shaped member... Agent: Pioneer Corporation

20120299444 - Piezoelectric thin-film resonator, communication module and communication device: A piezoelectric thin-film resonator includes a substrate, a lower electrode provided on the substrate, a piezoelectric film provided on the lower electrode and an upper electrode that is located opposite the lower electrode across at least a part of the piezoelectric film. A mass load film is provided on the... Agent: Taiyo Yuden Co., Ltd.

20120299446 - Autonomous power generation unit for auxiliary system on an airborne platform: A power generation device that provides power to an auxiliary system on an airborne platform, includes a piezoelectric energy harvesting device and an energy storage unit, including a battery and a power conditioner. The device extracts energy generated by turbulent airflow around the platform and stores the energy to meet... Agent:

20120299445 - High energy density energy storage and discharge device: An electrically transductive device, including a substrate having an electrically conducting surface portion, a first film of semiconducting nanoparticles positioned on the electrically conducting portion and further including a first plurality of close packed first generally spherical particles defining a first plurality of interstices and a second plurality of second,... Agent:

20120299447 - Piezoelectric based energy supply using independent piezoelectric components: A piezoelectric based energy supply includes a multiplicity of mechanical actuators able to be displaced through operation by an operator from a first position and a second position. A multiplicity of independent piezoelectric components is disposed below the multiplicity of actuators. Each independent piezoelectric component within the multiplicity of independent... Agent: International Business Machines Corporation

20120299448 - Apparatus for providing haptic feedback: Disclosed is an apparatus used in an electronic device for providing haptic feedback. The apparatus includes a main board defining a mounting surface, a vibration unit mounted on the mounting surface of the main board, the vibration unit being capable of vibrating along a direction parallel to the mounting surface... Agent: Aac Acoustic Technologies (shenzhen) Co., Ltd.

11/22/2012 > 30 patent applications in 28 patent subcategories.

20120293022 - Linear vibrator: Disclosed is a linear vibrator, the linear vibrator including: a case including a lower case and an upper case coupled to the lower case to form a space; a stator including a circuit substrate arranged on the lower case and a coil block electrically connected to the circuit substrate; a... Agent: Lg Innotek Co., Ltd.

20120293023 - Voltage tuning of microwave magnetic devices using magnetoelectric transducers: Tunable microwave magnetic devices that provide increased performance with reduced size, weight, and cost. The disclosed microwave magnetic devices are voltage-tunable devices that include ferrite substrates. To tune the devices, the magnetic permeability of the respective ferrite substrates is varied by external, voltage-tuned, magnetic fringe fields created by one or... Agent: Northeastern University

20120293024 - Stator segment and motor: A stator segment arranged to define a portion of an annular stator includes a core segment including a core back portion arranged to extend in a circumferential direction of the stator, and a tooth portion arranged to extend from the core back portion in a radial direction of the stator;... Agent: Nidec Corporation

20120293025 - Electric motor with add-on unit, as well as a method for connecting an electric motor and an add-on unit: An electric motor with an add-on unit, such as a gearbox unit, encoder unit or controller unit, and disclosed whereby the electric motor and add-on unit can be firmly connected to each other. For a firm connection, a shrink ring is thermally shrunk on to the electric motor and add-on... Agent: Maxon Motor Ag

20120293050 - Solar powered wheel apparatus: A solar powered wheel apparatus comprising one or more photovoltaic cells housed on a rotatable element connected to a rotary object such as a wheel, an electric motor, and an axial shaft. The electric motor is in electric communication with the photovoltaic cells that power the electric motor and is... Agent:

20120293049 - Spindle motor: A spindle motor is disclosed, the spindle motor including a turntable coupled to the rotation shaft to rotate along with the rotation shaft and accommodating a disk, and a turntable fixing member coupled at an upper surface of the turntable to the rotation shaft to fix the turntable.... Agent: Lg Innotek Co., Ltd.

20120293051 - Rotary electromagnetic actuator: A rotary electromagnetic actuator is provided which is suitable for opening and closing a valve for example. The actuator comprises a rotor (10), a stator (16), and a biasing arrangement (20, 100, 102, 104, 106) for applying a torque to the rotor during at least part of its rotation. A... Agent: Camcon Oil Limited

20120293026 - Drive device and conveyance device: A drive device includes a frame and an actuator installed in the frame. The frame is formed by integral molding by casting. The frame includes a connecting portion connectable to a division wall of a conveyance chamber, a bottom plate portion serving as an opposed portion provided to be opposed... Agent: Ulvac, Inc.

20120293027 - Rotating electrical machine and housing for rotating electrical machine: A housing for a rotating electrical machine includes a first housing block, a second housing block, a seal member, and a positioning pin. The first and second housing blocks define a breathing passage to communicate an inner space defined by the first housing block and the second housing block with... Agent: Honda Motor Co., Ltd.

20120293028 - Bearing assembly and spindle motor including the same: Disclosed herein are a bearing assembly and a spindle motor including the same. The bearing assembly includes: a shaft having a first magnet formed on an outer circumferential surface thereof; and a sleeve having a second magnet formed on an inner circumferential surface thereof, and spaced apart from the first... Agent: Samsung Electro-mechanics Co., Ltd.

20120293029 - Locomotive starter motor: In accordance with the present invention, provided is starter motor including a robust end housing or casing for carrying a needle bearing arrangement. The needle bearing arrangement is generally elongated and includes a plurality of rotatable members or rollers which allows wear to spread amongst all its members, thus increasing... Agent: Src Electrical LLC

20120293030 - Electric machine having a plurality of torque-support elements: An electric machine for installation to a retaining device includes a stator having an axis, and a torque-support device for supporting the stator against the retaining device to prevent a turning movement around the axis. The torque-support device has an intermediate element, at least two holding support elements for providing... Agent: Siemens Aktiengesellschaft

20120293031 - Coupler: The invention relates to a coupling element for a magnetic gear having a coupling element for coupling magnetic flux between first and second movable members, each having an array of magnetic poles arranged thereon. The coupling element is formed from a sheet of magnetically permeable material and incorporates coupling portions... Agent: Ricardo Uk Limited

20120293032 - Permanent magnet arrangement for an electrical machine: A permanent magnet arrangement for an electrical machine comprises a support structure for carrying magnetic flux and a pole assembly fixed to the support structure. The pole assembly comprises a magnet pole comprising at least one piece of permanent magnet material and a magnet carrier on which the magnet pole... Agent: Converteam Technology Ltd.

20120293033 - Rotor for electric rotating machine: A rotor includes a rotor core with a circumferential surface facing a stator and permanent magnets each received in a corresponding slot of the rotor core. Each of the permanent magnets has a first corner portion positioned closest to the circumferential surface of the rotor core and a first side... Agent: Denso Corporation

20120293034 - Stator for an electric motor: A stator for an electric motor includes first and second rows of conductors arranged concentrically around an axis inside a steel core. Each conductor includes a linking end. The stator also includes a first dielectric shim ring arranged between the two rows of conductors. Each conductor of the first row... Agent: Gm Global Technology Operations LLC.

20120293035 - Coreless electric machine apparatus, moving body and robot: A coreless electric machine apparatus includes: a permanent magnet arranged on the first member; two-phase coreless electromagnetic coils arranged on the second member; a coil back yoke arranged on the second member, wherein the electromagnetic coils include effective coil areas for generating a force to move the first member relatively... Agent: Seiko Epson Corporation

20120293036 - Induction rotor assembly and method of manufacturing same: A method of manufacturing a rotor assembly includes placing a generally cylindrical rotor core in a die. The rotor core has axial grooves spaced about a perimeter of the rotor core. The grooves may be formed by stacked laminated disks. Material is cast around the annular rotor core in the... Agent: Gm Global Technology Operations LLC

20120293037 - Coil fixing member of rotating electrical machine, and rotating electrical machine: A coil fixing member of a rotating electrical machine, wherein the rotating electrical machine includes a ring-shaped stator core, a slot formed at inner peripheral section of the stator core, a coil arranged in the slot, and wall sections defining opening on an inner periphery of the slot in a... Agent: Toyota Jidosha Kabushiki Kaisha

20120293038 - Rotor disk and assembly method: A rotor disk for an electric motor including a shaft hole for receiving a shaft of the electric motor, a set of positioning holes around the shaft hole, each configured to receive a positioning pin. The shaft hole and the set of positioning holes are positioned in the rotor disk... Agent: Abb Oy

20120293039 - Brushless alternator: A brushless alternator of the present invention includes: a yoke whose inner circumferential surface is radially opposite via an air gap to a rotor revolvably supported by brackets; a stat or supported by the brackets, for forming a magnetic circuit along with the rotor and the yoke; a bobbin for... Agent: Mitsubishi Electric Corporation

20120293040 - Method for manufacturing piezoelectric element and piezoelectric element manufactured using same: A stress relaxing layer L22 composed of MgO is formed on the upper surface of a substrate layer L1 in order to alleviate stress acting on a piezoelectric layer L3, the stress relaxing layer L22 is removed while leaving behind a region D1 where the piezoelectric layer L3 is to... Agent:

20120293041 - Piezoelectric actuator driver circuit: In a piezoelectric actuator driver circuit, a resistor provided to detect current is inserted in a current path for a piezoelectric actuator. A signal of a decreased voltage of the resistor is subjected to positive feedback to an amplifier circuit via a band-pass filter. An output signal of the amplifier... Agent: Murata Manufacturing Co., Ltd.

20120293042 - Piezoelectric generator: A piezoelectric generator includes a fixing part; a cantilever formed at a front edge of the fixing part; a weight part formed at a front end of the cantilever; a centroid adjustment part by which a position of a centroid of the weight part is adjusted; and a piezoelectric generating... Agent: Fujitsu Limited

20120293043 - Transducer for ultrasonic motor: Electrodes (7, 8, 9), having curved sections in the shape of the outline thereof, are disposed in areas of a rectangular plate-shaped piezoelectric transducer element (1) in which the strain in the natural mode of vibration is large. The eletrodes (7, 8) which excite a bending vibration are disposed in... Agent: Sigma Koki Co., Ltd

20120293044 - Ultrasonic torsional mode and longitudinal-torsional mode transducer: The present invention relates to the design of piezoelectric transducer subassemblies and systems primarily intended for medical and dental applications. The invention also provides transducer subassemblies and systems with improved performance and a capability to operate more efficiently in torsional or a combined longitudinal-torsional mode of vibration. The invention enables... Agent: Piezo-innovations

20120293045 - High-power ultrasonic probe: Provided is an ultrasonic probe, which uses a composite piezo-electric element, which includes a piezo-electric wafer made of piezo-electric material and having a lattice shape, and a polymer filled between the lattices of the piezo-electric wafer. The ultrasonic probe has a high power and a wide band width simultaneously. In... Agent: Ge Healthcare Co., Ltd.

20120293046 - Interactive panel comprising a substrate and at least two piezoelectric transduction devices: An interactive panel including a substrate, wherein a seismic wave is intended to propagate, and at least two piezoelectric transduction devices each including two piezoelectric transducers. Each piezoelectric transducer includes two piezoelectric elements each with two surfaces each covered by an electrode. The four electrodes of each piezoelectric transducer are... Agent: Commissariat A L'energie Atomique Et Aux Energies Alternatives

20120293047 - Large-scale fabrication of vertically aligned zno nanowire arrays: A generator includes a substrate, a first electrode layer, a dense plurality of vertically-aligned piezoelectric elongated nanostructures, an insulating layer and a second electrode layer. The substrate has a top surface and the first electrode layer is disposed on the top surface of the substrate. The dense plurality of vertically-aligned... Agent: Georgia Tech Research Corporation

20120293048 - Piezoelectric device: A piezoelectric device including a tuning-fork piezoelectric vibrating element having a base and a pair of vibrating arms positioned parallel to each other and extending from the base at right angles. The piezoelectric device further including a pair of support arms extending from the base positioned parallel to each other... Agent: Nihon Dempa Kogyo Co., Ltd.

11/15/2012 > 39 patent applications in 28 patent subcategories.

20120286592 - Permanent magnet operating machine: A magnet machine may translate or rotate with one element stationary and another element moving. One element has mounted thereon a plurality of magnets arranged in a sequenced array extensive in the direction of operation, the magnets fixed with N-pole magnet faces opposing S-pole magnet faces across gaps between the... Agent:

20120286593 - Stator and motor: A stator is compatible with a variety of wiring configurations and possesses excellent versatility, while also preventing an increase in the size of a busbar unit. The stator includes a plurality of stator segments joined together to assume a cylindrical shape. Each stator segment includes a core segment including a... Agent: Nidec Corporation

20120286594 - Motor drive apparatus: An ECU attached to a motor assembly has a substrate and a heat sink. The substrate mounts thereon a microcomputer, which controls driving of a motor in accordance with a rotation angle of the motor. The substrate is fixed to the heat sink. The substrate has a first through hole... Agent: Denso Corporation

20120286595 - Enhanced dual liquid cooling system for electric motor: An electric machine includes a rotor within a cavity defined within a stator. A liquid coolant is utilized to cool the stator and rotor. The liquid coolant flows through a gap defined between the stator and the rotor. A second coolant is provided that is contained within a second cavity... Agent:

20120286596 - Cooling combinations for electric machines: Some embodiments of the invention provide an electric machine module comprising a housing including a sleeve member and at least one end cap. In some embodiments, the sleeve member can include a first coolant jacket and a second coolant jacket. Also, in some embodiments, the end cap can include an... Agent: Remy Technologies, LLC

20120286598 - Rotor of an electric generator for generating electricity in power plants: The invention relates to a rotor of an electric generator for generating electricity in power plants, comprising support elements (9) having spacers (10) between the conductors (6) in the area of the winding overhang (7). The spacers (10) are distributed over the surface of the support elements (9) as island-shaped... Agent: Sensoplan Gmbh

20120286597 - Stator arrangement: A stator arrangement for an electric machine is provided. The stator arrangement includes a stator having a stator yoke with a number of stator slots, with each stator slot accommodating at least one set of stator windings and at least one cooling device in the shape of a duct-like pipe.... Agent:

20120286628 - Axial gap electrical machine: An axial gap electrical machine employs unique architecture to (1) overcome critical limits in the air gap at high speeds, while maintaining high torque performance at low speeds, while synergistically providing a geometry that withstands meets critical force concentration within these machines, (2) provides arrangements for cooling said machines using... Agent:

20120286599 - Generator with integrated blower: An air-cooled generator may be provided with a centrifugal blower configured for rotation on a shaft of the generator. The centrifugal blower may have an axially oriented outlet. An impeller of the blower may have blades with trailing edges oriented at an angle between 80° to about 90° relative to... Agent: Honeywell International Inc.

20120286600 - Induction machine power connection box including power supply for auxiliary devices including auxiliary cooling fans: An alternating current (AC) induction machine, such as a medium voltage induction motor, includes an auxiliary electrical connection box that is incorporated in the terminal box or within separate auxiliary electrical connection boxes that, are coupled to the machine's incoming power source. The box includes power conversion transformers or bridges... Agent: Siemens Industry, Inc.

20120286629 - Modular rotational electric actuator: A modular rotational electric actuator includes an output housing and internal drive components that include integrated control electronics, a torque sensor, and a portion of a joint assembly. The joint assembly includes a joint connector coupled to the internal drive components, including integrated control electronics, e.g., by a resilient member.... Agent:

20120286630 - Drive unit: A drive unit includes a motor disposed in a motor case, a controller, disposed in a controller case, and a lever. The lever includes a supported portion that is fitted on a support of the controller case in a rotatable manner, a first action point at a first distance from... Agent: Denso Corporation

20120286603 - Drive unit: A drive unit has a motor, a control unit, and a fastener. The motor is housed in a motor case, and includes a stator, a rotor, and a shaft. The stator has winding wires that are wound therein and are electrically coupled to motor wires. The rotor is disposed inside... Agent: Denso Corporation

20120286604 - Drive unit: A motor includes a stator having a winding wire wound thereon, a rotor, and a shaft. The motor is housed in a motor case, where the motor case has a cylinder part and a bottom part. A first terminal is disposed on the motor case, and has one end coupled... Agent: Denso Corporation

20120286605 - Drive unit: A drive unit used in an electric power steering device has a motor and a control unit. A motor wire of the motor has a terminal, which is engaged with a power board side terminal of the control unit to electrically couple the motor and the control unit. In such... Agent: Denso Corporation

20120286602 - Motor drive apparatus: In an ECU attached to a motor assembly, inverter FETs, which generate outputs for driving a motor, are electrically connected to a substrate. A plurality of screw holes is formed in a heat sink thereby to fix the substrate. A resin member is provided between the heat sink and the... Agent: Denso Corporation

20120286601 - Pressure-resistant explosion-proof connector: A pressure-resistant explosion-proof connector that allows even a different type of sensor to be mounted via a common connector, and thereby eliminates the need for replacement of each sensor is provided. A canned motor pump includes a centrifugal pump, a stand that supports a body, a motor, a bearing holder... Agent:

20120286606 - Corrosion-resistant jacketed active magnetic bearing: In a jacketed active magnetic bearing for a rotary machine having a rotor in contact with a process gas, there is provided a magnetic bearing comprising a bearing armature of laminated magnetic material secured to said rotor, a bearing stator protected by a first jacket of magnetic anti-corrosion material that... Agent: Societe De Mecanique Magnetique

20120286608 - Rolling bearing for inverter-driven motor and inverter-driven motor therewith: A rolling bearing for an inverter-driven motor has the thickness of an oil film in a steady operation condition stably maintained in a specific range, by which the withstand voltage can be controlled, and the discharge due to the shaft voltage of the inverter-driven motor is prevented and electrolytic corrosion... Agent: Minebea Co., Ltd.

20120286607 - Vehicle drive device: A vehicle drive device including a rotating electrical machine; a through shaft extending through a rotor shaft of the electrical machine; a power transmission mechanism that transmits power between the rotor shaft and the through shaft; a lubricant supply that supplies lubricant inside of the rotor shaft by rotation of... Agent: Aisin Aw Co., Ltd.

20120286609 - Torque transmission device: The present invention solves the above-described problems, and is a torque transmission device including: a low-torque input means 8; output rotating means 11 configured to be magnetically coupled with the low-torque input means so as to generate a thrust force in response to a load; and high-torque input means 15... Agent:

20120286610 - Increased efficiency dual rotational electric motor/generator: An enhanced dual rotational electric motor/generator includes an armature that rotates about a central axis in one direction, a stator that rotates about the central axis in an opposite direction, an axle that extends along the central axis and is secured to the armature, an axle support, a rotational output... Agent: E-wish Technology, LLC

20120286611 - Motor: A small DC motor includes a motor frame having a cylindrical portion, the cylindrical portion having a constant thickness and having a cross section in a shape that comprises four sides and connecting portions, each of the connecting portions connecting adjacent two of the four sides and being located inward... Agent: Minebea Motor Manufacturing Corporation

20120286612 - Electric motor with permanent magnets in stator thereof: In an electric motor, each tooth of the stator has a radially extending pillar portion and the number of teeth per magnetic pole is k. When the number k is odd and a center line passing each pole agrees with a center of a circumferential width of one tooth, the... Agent: Denso Corporation

20120286613 - Asymmetric stator teeth in an electric motor: A permanent magnet motor includes a permanent magnet rotor, a stator surrounding the rotor having a plurality of teeth radially inwardly oriented toward a longitudinal axis of the stator wherein each tooth has a tooth length and a tooth tip surface geometry. An asymmetric air gap is defined by variations... Agent: Gm Global Technology Operations LLC

20120286614 - Method and kit for generator enhancement: In certain exemplary embodiments, a generator field upgrade kit includes a design modification package configured to be installed in a generator field of a generator as a retrofit to mitigate damage of the generator field due to high cyclic duty of the generator. The design modification package includes a plurality... Agent: General Electric Company

20120286616 - Motor: A clutch mechanism moving together with an actuator allows coupling or decoupling an inner rotor to or from a power shaft, thereby controlling a rotation angle. This structure allows a polarity of a magnetic pole of the inner rotor to be the same as that of an opposing magnetic pole... Agent: Panasonic Corporation

20120286615 - Permanent magnet motor with field weakening: A permanent-magnet electrical machine is disclosed in which the rotor or stator have at least one movable iron segment. A magnetic field of the electric machine is weakened when the movable iron segment is moved a position away from the rotor or stator, respectively. When the movable iron segment is... Agent: Current Motor Company, Inc.

20120286618 - Electric machine rotor bar and method of making same: A method, system, and apparatus including an electric machine having a plurality of rotor bars and a first coupling component configured to electrically couple the plurality of rotor bars together. Each rotor bar of the plurality of rotor bars includes a first metallic material having a first electrical resistivity and... Agent:

20120286617 - Superconducting electrical machine: A superconducting electrical machine 1 such as a ship's engine has a rotor 10 and a stator 30, the rotor having superconductive windings 15. The rotor 10 includes an additional normally-conducting winding 55 in parallel to the superconducting winding 15 but not normally connected. In the event of a fault... Agent: Rolls-royce PLC

20120286620 - Composite insulating film: Provided is a flexible and self-supporting insulating film including a base polymer layer and a partially cured poly(amide)imide layer applied to the base polymer layer. The composite insulating film may be used as slot liner to provide insulation to the components of the electric motor. The partially cured poly(amide)imide layer... Agent:

20120286619 - Rotary electric machine and method for manufacturing stator used therein: The rotary electric machine includes a rotor, and a stator including an stator core that is formed by laminating and integrating magnetic steel plates, and concentrated winding coils that are mounted to respective teeth, the stator being disposed so as to surround the rotor. Bobbins each including a trunk portion... Agent: Mitsubishi Electric Corporation

20120286621 - Lamination for stator core, stator core comprising said lamination and method for making said lamination: Modular element (1; 15) for a stator core (8; 18), comprising a plate-like body (7) in a ferromagnetic material provided with: a peripheral portion (2) extending for an angular width (α) of less than 360° along an arc of a circle with centre (X1); teeth (3; 16) projecting from the... Agent:

20120286622 - Spindle motor: There is provided a spindle motor including: a base member including a sleeve housing having a sleeve inserted thereinto and mounted therein; a stator core mounted in the sleeve housing; and support parts improving horizontality of the stator core when the stator core is mounted in the sleeve housing.... Agent: Samsung Electro-mechanics Co., Ltd.

20120286623 - Atmospheric energy collection: The subject matter described herein is an atmospheric energy collector. The atmospheric energy collector includes of a windsock arrangement that has a large up-wind opening on one side and that tapers from the larger up-wind opening on the one side to a small down-wind opening on the other side. The... Agent: Sefe, Inc.

20120286624 - Elastic wave device: An elastic wave device includes an elastic wave resonator which includes a comb-shaped electrode pair including a pair of com-shaped electrodes interdigitating with each other and provided on a piezoelectric substrate and which is configured to trap energy of the elastic wave therein. Each of the pair of comb-shaped electrodes... Agent: Panasonic Corporation

20120286625 - Peep1 piezo electric effect power 1: A number of devices are described which can be used to generate electric power from the action of wind or other sources of vibration. The devices comprise Piezo electric materials, which are built into the devices in a way that can capture the generated electric power, and can conduct it... Agent:

20120286626 - Ultrasonic vibration device: In an inner bottom surface of a case, a substantially oblong recess having a long axis and a short axis forms a vibration area. A piezoelectric element is bonded to the center of the recess. On the opposite sides of the vibration area, vibration suppression areas thicker than the vibration... Agent: Murata Manufacturing Co., Ltd.

20120286627 - Polymer blend composition and actuators using the same: The present invention relates to a polymer blend composition comprising a dielectric elastomer, an actuator film manufactured using the same, and an actuator comprising the film. The polymer blend composition according to the present invention comprises a block copolymer having excellent compatibility with the dielectric elastomer and excellent dielectric properties,... Agent: Korea Institute Of Science And Technology

11/08/2012 > 21 patent applications in 19 patent subcategories.

20120280579 - Linear moving magnet motor cogging force ripple reducing: A magnet structure for a linear motor. Magnet tiles of the magnet structure are arranged so that intra-pole tile gaps extend in a direction parallel to the direction of motion of the linear motor.... Agent: Bose Corporation

20120280580 - Cooled fractional-horsepower motor: Cooling apparatus and methods for a fractional-horsepower motor. Motor cooling apparatus includes a heat shoe, a heat diffuser, and a heat pipe coupled therebetween. The heat shoe is configured to partially cover a portion of, and to receive motor thermal energy from, the motor. The heat pipe is coupled to... Agent: Aurora Office Equipment Co., Ltd. Shanghai

20120280581 - Electric machine with power taps: Machines and motors with multiple three-phase AC power connections. A motor includes first, second, and third windings arranged to drive a rotator shaft. A first end of each winding is connected to a respective power input of a three-phase alternating current (AC) power source and a second end of each... Agent: Siemens Industry, Inc.

20120280582 - Method and arrangement for cooling claw-pole electric machines: An electric machine includes a stator and a rotor configured to rotate about an axis of rotation in a direction of angular rotation. The rotor includes a first claw-pole segment and an opposing second claw-pole segment. The first claw-pole segment includes a plurality of fingers extending from an end ring.... Agent: Remy Technologies, LLC

20120280583 - Dynamoelectric machine pressurizing apparatus: A dynamoelectric machine pressurization apparatus is disclosed. In one embodiment, the apparatus includes a dynamoelectric machine air shield including a channel configured to fluidly connect an outlet of a rotor fan with an ambient air source.... Agent: General Electric Company

20120280584 - Centrifugal switch actuator and motor comprising the same: A centrifugal switch actuator including a junction box, a cover, a first static and dynamic contact combination, a second static and dynamic contact combination, an outer swing arm, an inner swing arm, and a reset elastic element. The first static and dynamic contact combination, the second static and dynamic contact... Agent: Changzhou Xinya Electromotor Co., Ltd.

20120280585 - Tandem electric motor vehicle drive system: A vehicle drive system includes a first electric motor having a first motor housing and a first motor shaft, a second electric motor having a second motor housing and a second motor shaft, and a gear system operatively connecting the first motor shaft and the second motor shaft. The gear... Agent: Remy Technologies, L.L.C.

20120280586 - Permanent magnet coupling: The invention relates to a permanent magnet coupling for synchronously transmitting rotary motions, having a first rotor (1a) and a second rotor (1b), each covered by permanent magnets (2a, 2b) and forming an inner rotor and an outer rotor, wherein permanent magnets (2a, 2b) of the first rotor (1a) and... Agent:

20120280587 - Motor topology with exchangeable components to form different classes of motors: Exchangeable stator components are selected and exchangeable rotor components are selected to transform a motor from one motor class to another motor class. A motor class includes a switched reluctance (SR) motor class, a parallel path magnetic technology (PPMT) motor class, or an interior permanent magnet (IPM) motor class.... Agent: Qm Power, Inc.

20120280588 - Magnetic rotational device: A rotating device having a stator and rotor, in which paired arcs of staggered magnets are affixed to the rotor surface, such that the staggered magnets are off-set the center-line of the rotor. Stator magnets, located on the stator, are also affixed in an off-set manner. During rotation, the repulsive... Agent:

20120280589 - Multi-winding homopolar electric machine: A multi-winding homopolar electric machine and method for converting between mechanical energy and electrical energy. The electric machine includes a shaft defining an axis of rotation, first and second magnets, a shielding portion, and a conductor. First and second magnets are coaxial with the shaft and include a charged pole... Agent: Ut-battelle, LLC

20120280590 - Ac generator: AC generators are disclosed. Example generators may include a tubular air core, with high magnetic permeability and with a first and second end, the air core having a plurality of eddy current reducing slits passing from a radially outer surface of the air core to a radially inner surface of... Agent: G+ Powertec Ltd.

20120280591 - Mems device with impacting structure for enhanced resistance to stiction: A microelectromechanical systems (MEMS) device (20) includes a substrate (24) and a movable element (22) adapted for motion relative to the substrate (24). A secondary structure (58) extends from the movable element (22). The secondary structure (58) includes a secondary mass (70) and a spring (68) interconnected between the movable... Agent: Freescale Semiconductor, Inc.

20120280592 - Multiple degree of freedom actuator and method: Systems and methods for creating a multiple degree of freedom (DOF) actuated device having a single transducer source, wherein each DOF is individually actuated by a particular amplified response frequency and wherein simultaneous multiple DOF actuation is possible through superimposing multiple frequencies. Further included are several embodiments rectifying DOF(s) into... Agent:

20120280593 - Solder material for fastening an outer electrode on a piezoelectric component and piezoelectric component comprising a solder material: A solder material can be used for fastening an outer electrode on a piezoelectric component. The solder material contains tin as the main constituent and at least one addition from the group of cobalt, tungsten, osmium, titanium, vanadium, iron and rare earth metals. A piezoelectric component includes such a solder... Agent: Epcos Ag

20120280595 - Metallization having high power compatibility and high electrical conductivity: A metallization can be used for components working with acoustic waves. The metallization includes a base having a bottom layer comprising titanium, and an upper layer comprising copper. A top layer of the metallization disposed on the base comprises aluminum.... Agent: Epcos Ag

20120280594 - Microelectromechanical systems (mems) resonators and related apparatus and methods: Devices having piezoelectric material structures integrated with substrates are described. Fabrication techniques for forming such devices are also described. The fabrication may include bonding a piezoelectric material wafer to a substrate of a differing material. A structure, such as a resonator, may then be formed from the piezoelectric material wafer.... Agent: Sand 9, Inc.

20120280596 - Power generation unit, electronic apparatus, transportation unit, battery, method of controlling power generation unit: A power generation unit includes: a deformation member which is deformed by switching a deformation direction; a piezoelectric element which is installed to the deformation member; a pair of electrodes which are installed to the piezoelectric element; an inductor which is installed between the pair of the electrodes and which... Agent: Seiko Epson Corporation

20120280597 - Piezoelectric resonator device and manufacturing method therefor: A piezoelectric resonator device in which excitation electrodes of a piezoelectric resonator plate are hermetically sealed, includes a plurality of sealing members that hermetically seal the excitation electrodes of the piezoelectric resonator plate. The plurality of sealing members each have a bonding layer, and at least one of the plurality... Agent: Daishinku Corporation

20120280598 - Piezoelectric vibrating pieces and piezoelectric devices comprising same, and methods for manufacturing same: Exemplary piezoelectric vibrating pieces have an excitation electrode and an extraction electrode having uniform thickness in the vibrating region to prevent unnecessary vibrations and degradation of vibration characteristics. An exemplary piezoelectric vibrating piece includes a vibrating portion having an excitation electrode of a first thickness (d1), an outer frame surrounding... Agent: Nihon Dempa Kogyo Co., Ltd.

20120280599 - Piezoelectric film and method of manufacturing the same, ink jet head, method of forming image by the ink jet head, angular velocity sensor, method of measuring angular velocity by the angular velocity sensor, piezoelectric generating element, and method: e

11/01/2012 > 31 patent applications in 25 patent subcategories.

20120274156 - Electric machine module insulation system and method: Embodiments of the invention provide an electric machine module including a housing. The housing can include a machine cavity. In some embodiments, an electric machine can be at least partially positioned within the machine cavity and can include a stator assembly. The stator assembly includes a stator core with slots,... Agent:

20120274157 - Motor and electric device including the same: A motor includes a stator having a stator iron core wound with stator windings, a rotor rotatably mounted on a shaft, a bearing for supporting the shaft, and a conductive bracket for fixing the bearing. The rotor is formed of a rotary body that holds a permanent magnet and the... Agent: Panasonic Corporation

20120274158 - Electric motor and electric vehicle having the same: An electric motor includes a stator, a rotor disposed to be rotatable with respect to the stator, and a cooling unit including a cooling fluid and disposed between the stator and the inverter device to cool the stator and the inverter device. Weight can be reduced, and thus, power consumption... Agent:

20120274159 - Cooling arrangement for an electric machine: The electric machine includes a stator. The stator includes stacked lamination plates. The lamination plates form at least two lamination packages. The electric machine includes a first cooling circulation with a first cooling fluid. The stator of the electric machine includes a second cooling circulation with a second cooling fluid.... Agent:

20120274160 - Rotary electric machine with air gaps configured to cancel torque pulsations: A rotary electric machine includes a stator having stator windings; and a rotor rotatably disposed in the stator, said rotor having a rotor core provided with a plurality of magnets and a plurality of magnetic auxiliary salient poles formed between poles of the magnets. In this rotary electric machine: a... Agent: Hitachi, Ltd.

20120274161 - Rotor core and superconducting rotating machine with the rotor core: Provided are a rotor core, a method for cooling a rotor core, and a superconducting rotating machine, capable of effectively and uniformly cooling superconducting coils without causing cold brittleness in an extremely low temperature. The rotor core 10, which is made of a substantially hollow cylindrical member of nonmagnetic material,... Agent: Kawasaki Jukogyo Kabushiki Kaisha

20120274185 - Motor rotor and motor: A motor with rotation detector includes a rotary shaft, a core part placed around the shaft and provided with axially extending through holes, permanent magnets individually mounted in the through holes, a pair of end plates provided at both ends of the core part to close openings of the through... Agent: Aisan Kogyo Kabushiki Kaisha

20120274186 - Insulating cap for an end winding of an electrical machine working at high voltage and machine having such an insulating cap: An insulating cap is provided for an end winding of an electrical machine working at a high voltage, the end winding including a plurality of insulated winding bars protruding from respective winding slots and electrically conductively connected to one another in pairs at their ends so as to form a... Agent: Alstom Hydro France

20120274162 - Method and system for joining stator wires: A method and system is provided to join the wire ends of a stator by placing a crimpable element on a wire end pair such that the wire ends of the wire end pair are surrounded by the crimpable element, and deforming the crimpable element using a crimping tool to... Agent: Gm Global Technology Operations LLC

20120274163 - Power unit: A power unit includes a case, a first rotary electric machine arranged inside the case, a second rotary electric machine that is arranged parallel to the first rotary electric machine and that is arranged inside the case, a plurality of conductors that send electric power to the first rotary electric... Agent: Toyota Jidosha Kabushiki Kaisha

20120274164 - Synchronous brushless multipolar machine having immobile armature and field windings: A synchronous multipolar brushless machine includes an immobile stator armature and field windings, which are placed concentrically around a shaft and radially inwardly positioned relative to the stator armature, on a power unit carrying disc, so that the field windings and armature windings form a mechanically connected unit which generates... Agent:

20120274166 - Permanent-magnet synchronous machine and a method for manufacturing and installing it: An exemplary permanent-magnet synchronous machine is disclosed with a stator and a rotor located at the distance of the air gap (δ1) from the stator. The rotor is supported on the shaft in a rotating arrangement, and a maximum value has been determined for the eccentricity between the stator and... Agent: Abb Oy

20120274165 - Rotor magnet, rotor, and rotor manufacturing method: A purpose is to provide a rotor manufacturing method including a magnet assembly formed of divided permanent magnet pieces to enhance insulation and advance cost reduction. The rotor manufacturing method includes forming permanent magnet pieces by dividing a permanent magnet, arranging and resin-molding the permanent magnet pieces to form a... Agent: Toyota Jidosha Kabushiki Kaisha

20120274167 - Brushless dc motor having slotless stator: The present invention relates to a brushless DC motor having a slotless stator, more particularly to a brushless DC motor having a slotless stator in that a plurality of coil winding protrusion portions capable of winding coils in a bobbin is separated from each other at regular intervals along an... Agent:

20120274168 - Hybrid synchronous motors and current-energized synchronous motors suitable for vehicle drives: Laminated rotor (21) assemblies for rotating electric machines such as hybrid synchronous motors (HSM) of vehicle drives, the rotor plates (26) of which have one or several recesses (29) as a flux barrier or magnet pocket, which comprise radially innermost and outermost edge sections as rounded transition regions from and... Agent: Brusa Elektronik Ag

20120274169 - Rotating electric machine and automobile: A rotating electric machine includes a stator and a rotor. Each of magnetic poles of the rotor includes a magnet insertion hole, a permanent magnet that is inserted in the magnet insertion hole, and a nonmagnetic portion formed between the permanent magnet and an auxiliary salient pole. A portion of... Agent: Hitachi Automotive Systems Inc.

20120274170 - Electric motor: A brush direct current motor has a stator with a plurality of coils that correspond to a number of stator windings, a rotor with a number of poles, and a commutator. The commutator is connected to a first terminal of a direct current power source to convert the power into... Agent:

20120274171 - Rotating electric machine: An object is to provide a rotating electric machine offering a high output and high efficiency by balancing inductance of each phase even if a stator is used in which stator windings of different phases are disposed in a slot of a stator core in a three-phase winding. A stator... Agent: Hitachi Automotive Systems, Ltd.

20120274172 - Stator for rotating electrical machine: A stator for a rotating electrical machine includes a stator core with a plurality of slots; and coils attached to the stator core. The coils are each structured by winding a covered conductor wire bundle around the stator core. The covered conductor wire bundle is structured by covering an outer... Agent: Aisin Aw Co., Ltd.

20120274173 - Alignment of segmented stators for electric machines: A stator segment for a segmented stator of an electric machine includes insulative material configured for overlapping with insulative material of an adjacent stator segment to provide continuous insulation along a joint between the adjacent stator segments. Additionally, or alternatively, the stator segment can include one or more alignment tabs... Agent: Nidec Motor Corporation

20120274174 - Rotary electric machine stator: A stator includes annular segment assembly portions of phases wound on a stator core in a distributed winding manner. The annular segment assembly portion of each phase includes segment coils that are each formed in a coil shape by connecting conductor segments to each other. An annular protrusion-equipped electrical insulation... Agent: Toyota Jidosha Kabushiki Kaisha

20120274175 - Disk motor and electric power tool: A disk motor and an electric power tool in which positioning of a coil disk with respect to a commutator disk can be carried out while reliably ensuring insulating properties are provided. A disk motor having: an output shaft part; a coil disk that is provided with a coil pattern... Agent: Hitachi Koki Co., Ltd.

20120274177 - Electrostatic motor: An electrostatic motor has a disc-shaped stator and a disc-shaped rotor are opposed to each other in a vacuum container. In the stator, first and second electrodes, which are attached to electrode supports, and which are electrically insulated from each other by an insulator, are arranged alternately in the circumferential... Agent:

20120274176 - Micro-electro-mechanical systems (mems): The micro-electro-mechanical system is provided with at least two separate anchoring elements (F1, F2) designed to be bound to a support. A anchoring element (F1, F2) is solidly linked to at least one beam (P1, P2) that can be deformed in bending, and two beams (P1, P2) respectively linked to... Agent:

20120274178 - Composite piezoelectric body, method for producing said composite piezoelectric body, and composite piezoelectric element using said composite piezoelectric body: [Solution] A composite piezoelectric body of the present invention includes a piezoelectric ceramic and an organic polymer material containing air bubbles mixed therein, wherein among surfaces of the piezoelectric ceramic and the organic polymer material on which an electrode is to be formed, an insulating layer is formed on the... Agent: Tayca Corporation

20120274179 - Boundary acoustic wave device and method of manufacturing same: In the boundary acoustic wave device, an IDT electrode, a first dielectric layer, and a second dielectric layer are provided on a piezoelectric substrate. The first dielectric layer is made of a deposited film. A thickness of the IDT electrode is about 10% or more of λ. A difference between... Agent: Murata Manufacturing Co., Ltd.

20120274180 - Vibration wave driving apparatus and manufacturing method of vibration body: A vibration wave driving apparatus according to the present invention includes a vibrator having at least a vibration body formed with a projecting portion having spring characteristics and an electro-mechanical energy conversion element, the vibration wave driving apparatus using motion of the projecting portion to drive a driven body in... Agent: Canon Kabushiki Kaisha

20120274181 - Vibration wave driving apparatus: A vibration wave driving apparatus capable of matching the vibration direction of a projecting portion of a vibrator to the displacement direction of a contacting portion of a driven body so that the projecting portion of the vibrator and the contacting portion of the driven body can be brought into... Agent: Canon Kabushiki Kaisha

20120274182 - Ultrasonic sensor: An ultrasonic sensor includes a casing body and a piezoelectric element. The casing body has a base wall and a surrounding wall that cooperates with the base wall to define an interior space. The base wall has a top surface and a bottom surface. The top surface has a first... Agent: Tung Thih Electronic Co., Ltd.

20120274183 - Protected resonator: A bulk acoustic wave resonator structure that isolates the core resonator from both environmental effects and aging effects. The structure has a piezoelectric layer at least partially disposed between two electrodes. The structure is protected against contamination, package leaks, and changes to the piezoelectric material due to external effects while... Agent: Cymatics Laboratories Corp.

20120274184 - Piezoelectric resonator with two layers: A piezoelectric resonator device comprises five layers. A first layer and a fifth layer include one or more metal electrodes. A second layer and a fourth layer comprise a piezoelectric material. A third layer comprises a metal layer. In a first area of the first layer the first layer metal... Agent: Harmonic Devices Inc.

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