Electrical generator or motor structure patents - Monitor Patents
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Electrical generator or motor structure October categorized by USPTO classification 10/12

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.
10/25/2012 > 22 patent applications in 21 patent subcategories.

20120267967 - Environmentally protected housingless generator/motor: A stator arrangement particularly suitable for use in an air-cooled generator or other such electric machine includes a stator with an outer stator surface, an opening therein defining an inner stator surface, and longitudinally opposed stator end surfaces. Conductive coils are supported by the stator, and include end turns overlying... Agent: Kollmorgen Corporation

20120267968 - Motor: A motor may include a motor main body and an urging member. The urging member is provided with an end plate part having a plate spring part for urging the rotor and an engaging plate part which is extended along an outer peripheral face of a tube-like body part structuring... Agent: Nidec Sankyo Corporation

20120267970 - Coolant flow channel arrangement for a fluid cooled electric motor: An improved fluid cooling arrangement for an electric machine, such as an electric motor, a generator, or a motor/generator assembly, is provided. In its most general sense, the fluid-cooled electric machine includes a rotor disposed on a motor shaft, a stator surrounding the rotor, and a motor housing surrounding the... Agent: Kollmorgen Corporation

20120267969 - External cover-cooled rotary electric machine and casing used therein: A center frame is fastened to a first bracket and a second bracket such that a first mated protrusion and a second mated protrusion are fitted together with a first mated recess portion and a second mated recess portion so as to be mated. O rings are disposed annularly so... Agent: Mitsubishi Electric Corporation

20120267971 - Electrical machine, rotor for such machine and a method for its manufacturing: The purpose is to accommodate large axial channels in a slim electric machine without sacrificing its torque density and radial dimensions. This is possible with a rotor (11) provided with permanent magnets (12) and a stator (13) with slots (15) for coils (20A-c), where the slots (15) are separated by... Agent: Smartmotor As

20120267988 - Condition monitoring system for a motor: In order to enable simple, low-cost monitoring of a motor, a switch box cover for the motor, a condition monitoring system has a sensor unit for detecting a measured variable of the motor, a communication device, which is designed to provide a characteristic value that characterizes the measured variable to... Agent:

20120267972 - Motor end frame: An end-frame of an electro-dynamic machine includes a bearing housing defining an annular bearing cavity for rotatably supporting a rotor shaft about an axis. A support body is coupled to the bearing housing. The support body has a terminal end and a base end opposite the terminal end. The base... Agent:

20120267973 - Method of propulsion: One embodiment of the new method of propulsion is an electron magnetic drive with an array of rotor electromagnets (28A-28L) operating in the non inertial frame of reference produced by the rotation (33) of the rotor (26); linked by a magnetic field from the electromagnets (28A-28L) to the inertial frame... Agent:

20120267974 - Electromagnetic motor-generator unit: An electromagnetic motor-generator unit (MGU) includes a motor and a generator. The motor includes permanent magnets disposed on a rotor hub, a rotor shaft connected to the hub, and stator brackets arranged in a ring. Each of the brackets forms a generally U-shaped profile. The side walls and base of... Agent: Advantron Technologies LLC

20120267975 - Embedded permanent magnet electric motor: The embedded permanent magnet electric motor includes: a rotor having: a rotor core that has an outer circumferential surface that is constituted by a plurality of convex surfaces that are circular arc-shaped curved surfaces that are arranged continuously at a uniform angular pitch circumferentially; and a plurality of permanent magnets... Agent: Mitsubishi Electric Corporation

20120267976 - Brushless direct-current motor having currentless stoppage: The invention relates to a brushless direct-current motor (1), comprising a stator (2), a rotor cup (30) that revolves around the stator (2) and has a plurality of permanent-magnet poles (N, S), and a detent torque plate (4) that is connected to the stator (2) and has several pole shoes... Agent: Belimo Holding Ag

20120267977 - Electrical drive motor for a vehicle: An electric drive motor that is intended for a vehicle, in particular for a motor vehicle, includes a stator and a rotor with at least one pole pair, wherein each pole of a respective pole pair has a magnet arrangement having at least one buried magnetic layer. The drive motor... Agent: Bayerische Motoren Werke Aktiengesellschaft

20120267978 - Squirrel-cage rotor for asynchronous motors: A squirrel-cage rotor for asynchronous motors is provided with a lamination stack made of a magnetic material and a plurality of bars, the intermediate portions of which engage respective slots of the lamination stack; the end portions of the bars protrude with respect to the lamination stack at both axial... Agent: Ansaldobreda S.p.a.

20120267979 - Rotary electric machine and method of manufacturing same: A rotary electric machine includes a plurality of lead end holding grooves defined in insulators at an outer circumferential surface of a stator core, for guiding respective ends of coil leads therein. The lead end holding grooves are defined by ledges of the insulators. The ledges have respective lands which... Agent: Honda Motor Co., Ltd.

20120267980 - Cooling system for the bushings of an electric generator and method for cooling the bushings of an electric generator: A cooling system for bushings of an electric generator, which includes a casing housing a stator and a rotor connected to a rotor shaft activating at least a fan defining at least a high pressure zone and a low pressure zone. The generator has a plurality of phases electrically connected... Agent: Alstom Technology Ltd.

20120267981 - Modular array and circuits for ultrasound transducers: Modular electronics are provided for a multi-dimensional array. The electronics are positioned perpendicular to the array in modules. The modules include frames to support the electronics and provide for electrical connection between the array and the electronics. The frames include thermally conductive material to transfer heat away from the electronics... Agent: Siemens Medical Solutions Usa, Inc.

20120267982 - Non-contact mechanical energy harvesting device and method utilizing frequency rectification: An energy harvesting apparatus includes an inverse frequency rectifier structured to receive mechanical energy at a first frequency, and a solid state electromechanical transducer coupled to the inverse frequency rectifier to receive a force provided by the inverse frequency rectifier. The force, when provided by the inverse frequency rectifier, causes... Agent: The Regents Of The University Of California

20120267983 - Stator and ultrasonic motor using the same: An ultrasonic motor includes a stator. The stator includes a seat and a driving unit. The driving unit includes a generally semi-elliptical driving mechanism formed integrally with the seat, and two spaced-apart piezoelectric actuators disposed between the seat and the driving mechanism. Each of the piezoelectric actuators has a first... Agent: National Kaohsiung University Of Applied Sciences

20120267984 - Method and apparatus of extracting an immense electric energy from piezoelectric materials in a super-gain energy system: The aim of the present invention is the uses of a modified hydraulic press to generate electric power. The electric power is generated by two arrays of piezoelectric cells placed at the top and bottom of the larger unit. The new modification of the hydraulic press is based on the... Agent:

20120267985 - Flexural vibration piece and oscillator using the same: A flexural vibration piece includes a flexural vibrator that has a first region on which a compressive stress or a tensile stress acts due to vibration and a second region having a relationship in which a tensile stress acts thereon when a compressive stress acts on the first region and... Agent: Seiko Epson Corporation

20120267986 - Dual-frequency ultrasound transducer: A dual-frequency ultrasound transducer, comprising a piezo-electric element bonded to a substrate, has two resonant vibration modes: a low frequency mechanical bending resonance mode and a relatively high frequency thickness resonance mode. The low frequency bending resonance mode occurs when the piezo-electric element is excited, in use, by a voltage... Agent: Sonovia Holdings LLC

20120267987 - Electromechanical conversion element and drive device: A piezoelectric element 1 as an electromechanical conversion element 1 and a drive device S according to the present invention include step portions 21 which are formed on each of a pair of external electrodes 11, 11 formed on outer peripheral surfaces of a laminated body 10 including a plurality... Agent: Konica Minolta Advanced Layers, Inc.

10/18/2012 > 27 patent applications in 23 patent subcategories.

20120262010 - Rotor for permanent-magnet linear actuator: P

20120262011 - Rotor assembly using polar anisotropic ring magnet: The rotor assembly contains a number of polar anisotropic ring magnets sequentially stacked, a number of supporting rings within the stacked ring magnets, and an axle threading through the supporting rings. The ring magnets are of a same diameter and length. Each supporting ring contains three co-centric rings: an inner... Agent:

20120262012 - Electric machine module cooling system and method: Embodiments of the invention provide an electric machine module including a housing. The housing can include an inner surface that defines 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... Agent:

20120262013 - Electric machine module cooling system and method: Embodiments of the invention provide an electric machine module. The module can include a module housing, which can comprise a sleeve member. In some embodiments, the sleeve member can include an inner wall and an outer wall, and the module housing can at least partially define a machine cavity. In... Agent: Remy Technologies, LLC

20120262033 - Motor rotor and method for manufacturing motor rotor: A motor rotor and a method for manufacturing a motor rotor, enabling crimping of the resolver rotor at low cost with less influence on the detection accuracy. A motor rotor includes a resolver rotor and a rotor shaft to which the resolver rotor is affixed by crimping. The rotor shaft... Agent: Toyota Jidosha Kabushiki Kaisha

20120262032 - Shielding structure: A shielding structure disposed between a rotary motor and a resolver for resolving angular position thereof. The shielding structure includes a first shielding body made of a material with a permeability more than 4000. The first shielding body is sandwiched between the resolver and the rotary motor for shielding the... Agent:

20120262035 - Adaptor, assembly of battery pack and adaptor, and electric tool with the same: When a battery pack having an output voltage of 14.4 V that is connectable to an electric tool in a sliding manner is used as a power supply source for the electric tool that is connectable to a battery pack in an insertion manner and has a rated voltage of... Agent: Hitachi Koki Co., Ltd.

20120262034 - Spindle motor: Disclosed herein is spindle motor including a rotating part, including: a rotating shaft and a magnet; a fixing part including a bearing supporting the rotating shaft, an armature opposite to the magnet, a printed circuit board applying power to the armature, and a base plate coupled with the rotating part,... Agent: Samsung Electro-mechanics Co., Ltd.

20120262014 - Bus bar device, stator, motor and manufacturing method for stator: A bus bar device electrically connects a plurality of coils arranged along a circumferential direction of the bus bar device to form an annular shape in entirety. A plurality of bus bars is arranged so that a plurality of layers is formed in a radial direction of the bus bar... Agent: Asmo Co., Ltd.

20120262015 - Resolver of electric driving motor for vehicle: The present invention relates to a resolver of an electric driving motor for vehicle which comprises a rotor, a stator comprising a stator main body which encircles the rotor and teeth which extend from the stator main body to be wound by a coil, a terminal module comprising a terminal... Agent: Daesung Electric Co., Ltd.

20120262036 - Water wheel for generating power: It is provided to embody as a modularly constructed system, a waterwheel for power generation via generators with transversely extending water blades as hinged or folding blades. In this regard it is provided to arrange the water blades over a truss framework. The truss framework for each water blade is... Agent:

20120262016 - Electrical apparatus for vehicles: An electrical apparatus is provided. The electrical apparatus includes a first rotation device; a second rotation device co-axially disposed with the first rotation device for electromagnetically matching with each other; and a brake device connected to the second rotation device to constrain the second rotation device from a rotation.... Agent:

20120262017 - Magnetic clutch for the transmission of tightening torque: Magnetic clutch for the transmission of tightening torque that comprises a first shaft (2) integral to a casing (3) in whose interior there is a second shaft (4) coaxial to the first shaft (2) that is fixed to the casing (3). The shafts (2, 4) are engaged together by magnetic... Agent: Antonio Mengibar, S.a.

20120262018 - Self generating electrical system: A self generating electrical system includes in one embodiment a 96 volt DC power source made up of eight 12 volt rechargeable batteries connected in series, a first 28 HP DC motor and a controller for receiving the output from the DC power source and supplying the output so received... Agent:

20120262019 - Flux focusing arrangement for permanent magnets, methods of fabricating such arrangements, and machines including such arrangements: Numerous arrangements for permanent magnets are disclosed that can focus the flux produced by the magnets. Depending on the particular application in which the disclosed designs and techniques are used, efficiency and reliability may be increased by minimizing flux leakage, increasing peak flux density, and shaping the flux fields to... Agent: Boulder Wind Power,inc.

20120262020 - Flux focusing arrangement for permanent magnets, methods of fabricating such arrangements, and machines including such arrangements: Numerous arrangements for permanent magnets are disclosed that can focus the flux produced by the magnets. Depending on the particular application in which the disclosed designs and techniques are used, efficiency and reliability may be increased by minimizing flux leakage, increasing peak flux density, and shaping the flux fields to... Agent: Boulder Wind Power,inc.

20120262021 - 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. The apparatus comprises a rotor with permanent magnets, a stator with a winding, and a cooling system. Mechanisms to prevent... Agent: Magnetic Applications, Inc.

20120262022 - Axial gap motor: A solution to the problem is given by an axial gap motor 10, which has a rotor 11, and a pair of stators 21 arranged opposite to the rotor 11 so that the rotor 11 is sandwiched between the stators through a gap G in a direction of rotation axis... Agent: National University Corporation Hokkaido University

20120262023 - Axial air gap machine having stator and rotor discs formed of multiple detachable segments: Rotor and stator segments for a generator and motor apparatus are provided. The apparatus includes: a pair of parallel, spaced apart stator segments, each stator segment comprising a stator winding set; and a rotor segment slidably coupled to the pair of stator segments, the rotor segment comprising a magnet and... Agent:

20120262024 - Squirrel-cage rotor and method for producing such a squirrel-cage rotor: Squirrel cage rotor and method for the production thereof including a rotor shaft having a solid rotor portion formed of ferromagnetic material having a plurality of through-passages extending in an axial direction of the rotor shaft, a plurality of electrically conducting bar elements each received in a through-passage so that... Agent: Man Diesel & Turbo Se

20120262025 - Commutator for power transmission in an electric machine: A commutator for transmitting current in an electric machine is disclosed. The commutator includes an armature-side collector and at least one brush contacting the collector. At least one current-carrying component of the commutator is implemented as porous ceramic body having infiltrated metal.... Agent: Robert Bosch Gmbh

20120262026 - Mems device with central anchor for stress isolation: A MEMS device (20) includes a proof mass (32) coupled to and surrounding an immovable structure (30). The immovable structure (30) includes fixed fingers (36, 38) extending outwardly from a body (34) of the structure (30). The proof mass (32) includes movable fingers (60), each of which is disposed between... Agent: Freescale Semiconductor, Inc.

20120262027 - Nanoscale thermoelectric wave generators: In one aspect, the present invention provides nanosized systems for generating electrical energy based on the use of a chemically reactive composition to generate a thermoelectric wave. For example, the system can include at least one nanostructure (e.g., a carbon nanotube) extending along an axial direction between a proximal end... Agent: Massachusetts Institute Of Technology

20120262028 - Boundary acoustic wave device: In a boundary acoustic wave device, a silicon oxide layer and a dielectric layer exhibiting a higher acoustic velocity than the silicon oxide layer are stacked on a LiTaO3 piezoelectric substrate, and IDT electrodes are disposed in grooves in an upper surface of the piezoelectric substrate. Each of the IDT... Agent: Murata Manufacturing Co., Ltd.

20120262029 - Forming a membrane having curved features: Processes for making a membrane having a curved feature are disclosed. Recesses each in the shape of a reversed, truncated pyramid are formed in a planar substrate surface by KOH etching through a mask. An oxide layer is formed over the substrate surface. The oxide layer can be stripped leaving... Agent:

20120262030 - Sealing member for piezoelectric resonator device, and piezoelectric resonator device: A sealing member is for a piezoelectric resonator device that includes a piezoelectric resonator piece and a plurality of sealing members hermetically sealing a resonance region of the piezoelectric resonator piece. The sealing member includes a base material having one principal surface and includes a protruding portion on the one... Agent: Daishinku Corporation

20120262031 - Annular vibration wave actuator: Provided is an annular vibration wave actuator capable of distributing a contact surface pressure at a contacting portion over the entire contacting face and capable of reducing sliding in the direction orthogonal to the driving direction, thus improving durability.... Agent: Canon Kabushiki Kaisha

10/11/2012 > 27 patent applications in 20 patent subcategories.

20120256498 - Voice coil motor: A VCM is disclosed, the VCM including a base formed with an opening; a bobbin arranged on an upper surface of the base and mounted with a lens therein; a plurality of magnets secured on the base to face a periphery of the bobbin; a coil block encompassing each magnet... Agent: Lg Innotek Co., Ltd.

20120256499 - Brushless electric motor: The invention relates to a brushless electric motor—preferably for a vehicle fan—having an armature which is supported on both sides in a housing, wherein the housing consists substantially of a plastic-containing material and is provided with a preferably substantially tapered casing section as well as two cover sections onto or... Agent:

20120256500 - Electric motor: An electric motor, having a stator, on which a coil for generating a commutated magnetic rotating field, and a rotor having a permanent magnet element. The rotor is mounted rotatably on an axis. A force acts between the commutated magnetic rotating field and the magnetic field of the permanent magnet... Agent: Continental Automotive Gmbh

20120256501 - Oil cooled generator: An oil cooled generator may have stator windings with first portions in contact with a stator core and second non-contact portions. One or more nozzles may be configured to provide a spray pattern of oil which impinges on the non-contact portions even though the nozzles may have orifices oriented so... Agent: Honeywell International Inc.

20120256502 - Stator arrangement: A stator arrangement for an electrical machine includes a stator having a stator stack consisting of a plurality of axially adjacently disposed metal plates. The arrangement further includes a cooling device in the shape of at least one heat pipe. The at least one radial channel extends between respective axially... Agent:

20120256503 - Stator arrangement: A stator arrangement for an electrical machine is provided. The stator arrangement has a stator having a stator stack. The stator stack has a number of adjacently disposed metal plates. A number of radial channels are provided between respective groups of metal plates by spacers. At least one transition area... Agent:

20120256504 - Electric motor having fluid circulation system and methods for cooling an electric motor: An electric motor having a housing, a stator mounted in the housing, and a rotor mounted in the housing for rotation relative to the stator about a central axis. A plurality of fluid flow passages extend through the rotor between opposite ends. An electro-magnetic drive system is adapted for driving... Agent: Nidec Motor Corporation

20120256523 - Starter machine system and method: Embodiments of the invention provide a starter machine comprising a housing. A motor can be positioned within the housing and coupled to a gear train, which can be coupled to a shaft. A switched reluctance solenoid assembly can be positioned within the housing and capable of being coupled to inverters... Agent:

20120256524 - Starter machine system and method: Embodiments of the invention provide a starter machine control system including an electronic control unit. The control system can include a starter machine that is in communication with the electronic control unit. The starter machine can comprise a solenoid assembly that includes at least one biasing members and a coil... Agent:

20120256505 - Bobbin wound motor: A motor includes a rotor and a stator. The stator is operable to electromagnetically induce movement of the rotor and includes stator teeth and a motor-board. A stator tooth includes a core material, a plurality of winding segments, and a bobbin. The bobbin includes a core receptacle for mechanically engaging... Agent: Bison Gear & Engineering Corp.

20120256506 - Circuit arrangement for operating an electric motor: The invention relates to a circuit arrangement for operating an electric motor, in particular an electric motor for a windshield wiper. The electric motor has a first voltage connection, a ground connection, and a return connection. The ground connection is connected to a battery ground connection of a battery. Furthermore,... Agent: Robert Bosch Gmbh

20120256507 - Electric motor: A brush direct current motor has a stator with a plurality of coils that correspond to N phases, a rotor with 2P magnet poles and a current converting device for converting direct current power to N phases current and carrying the N phases of alternating current for the coils of... Agent:

20120256508 - Permanent magnet synchronous rotating electric machine and rotor core: A permanent magnet synchronous rotating electric machine includes a rotor and a stator. The rotor includes a first hole, a second hole, a first magnet, and a second magnet. The second hole is provided on an opposite side with respect to a center line extending along a radial direction of... Agent: Kabushiki Kaisha Yaskawa Denki

20120256509 - Motor and magnetizing apparatus and magnetizing method of motor: An apparatus for magnetizing magnets provided among a plurality of cores of a motor of a washing machine and a method thereof, is capable of fully magnetizing a magnet forming a rotor and including a plurality of teeth disposed around two cores of the plurality of cores, the two cores... Agent: Samsung Electronics Co., Ltd.

20120256510 - Rotary electric machine: A rotary electric machine includes a stator that creates a rotating magnetic field, and a rotor around which a rotor winding is wound so that induced electromotive force is created by a harmonic component of the rotating magnetic field, and in which a magnetic pole is created through the induced... Agent: Toyota Jidosha Kabushiki Kaisha

20120256511 - Stator: A stator includes a stator core that has at least one tooth which extends radially inward from the stator core and has a shape of a quadrangular prismoid, an insulator that is made of a resin, and a coil that is formed by winding a rectangular wire around the tooth... Agent: Toyota Jidosha Kabushiki Kaisha

20120256512 - Stator structure for rotary electric machine and method for assembling stator: A stator structure for a rotary electric machine includes a stator core having a cylindrical shape in which slots and pole pieces are formed on an inner peripheral side and alternately arranged in a circumferential direction, a conductor segment which is a conducting wire having a rectangular cross section inserted... Agent: Toyota Jidosha Kabushiki Kaisha

20120256513 - Stator for an electric motor and method for the production thereof: A stator for a motor contains a number of stator sheets stacked in a star-shaped laminated core. The stator sheets contain stator sheets closed in the circumferential direction and have single teeth connected to one another by pole shoe webs and stator sheets open in the circumferential direction and have... Agent: Brose Fahrzeugteile Gmbh & Co Kg, Wurzburg

20120256514 - Brushless synchronous motor: A brushless synchronous motor includes a rotor having a number n of embedded permanent magnets and being rotatable relative to a stator having a number of stator teeth provided with a three-phase stator winding, while forming an air gap. An angle between two adjacent permanent magnets is 360°/n where n>8,... Agent: Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft

20120256515 - Spindle motor: Disclosed herein is a spindle motor configured of a rotating part including a shaft and a magnet and a fixing part including a bearing supporting the shaft and an armature facing the magnet, the rotating part being rotated by electromagnetic force between the magnet and the armature, wherein the fixing... Agent: Samsung Electro-mechanics Co., Ltd.

20120256516 - Rotor: A rotor is provided with a rotor core, a shaft fastening hole provided at the center of the rotor core, and magnets provided to the outer circumferential portion of the rotor core. Circular arc slits are formed at intervals on double concentric circles, respectively, so as to be located around... Agent: Toyota Jidosha Kabushiki Kaisha

20120256518 - Electromechanical transducer and method of producing the same: A method of producing an electromechanical transducer includes forming an insulating film on a first electrode, forming a sacrificial layer on the insulating film, forming a first membrane on the sacrificial layer, forming a second electrode on the first membrane, forming an etching-hole in the first membrane and removing the... Agent: Canon Kabushiki Kaisha

20120256519 - Electromechanical transducer and method of producing the same: An electromechanical transducer includes a substrate, a first electrode disposed on the substrate, and a vibration film including a membrane disposed on the first electrode with a space therebetween and a second electrode disposed on the membrane so as to oppose the first electrode. The first electrode has a surface... Agent: Canon Kabushiki Kaisha

20120256520 - Electromechanical transducer and method of producing the same: An electromechanical transducer includes a first electrode; a silicon oxide film disposed on the first electrode; and a vibration film including a silicon nitride film disposed on the silicon oxide film with a space therebetween and a second electrode disposed on the silicon nitride film so as to oppose the... Agent: Canon Kabushiki Kaisha

20120256517 - Method for microfabrication of a capacitive micromachined ultrasonic transducer comprising a diamond membrane and a transducer thereof: This invention relates generally to capacitive micromachined ultrasonic transducers (CMUTs), particularly to those comprising diamond or diamond like carbon membranes and a method of microfabrication of such CMUTs, wherein the membrane of diamond or diamond like carbon is attached to the substrate by plasma-activated direct bonding of an interlayer of... Agent:

20120256521 - Laminated piezoelectric material, ultrasound probe, and ultrasound diagnostic apparatus: A laminated piezoelectric material has a four-layered piezoelectric material and electrode layers for applying a voltage to each layer of the four-layered piezoelectric material. Each piezoelectric material has an inorganic piezoelectric material with a remanent polarization in a thickness direction. The layers are laminated so that a direction of an... Agent: Konica Minolta Medical & Graphic, Inc.

20120256522 - Magnetic sensor device, method of manufacturing the same, and magnetic sensor apparatus: A magnetic sensor device includes a piezoelectric substrate and an IDT electrode disposed on the piezoelectric substrate. At least a portion of the IDT electrode is made of a ferromagnetic metal and the duty ratio of the IDT electrode is higher than about 0.5 and lower than or equal to... Agent: Murata Manufacturing Co., Ltd.

10/04/2012 > 49 patent applications in 40 patent subcategories.

20120248898 - Moving magnet actuator magnet carrier: A magnet carrier for a moving magnet actuator. The magnet carrier includes a single longitudinal beam extending in the direction of intended motion of magnet carrier and two pairs of transverse ribs, extending from opposite sides of the longitudinal beam. The longitudinal beam and the two pairs of transverse ribs... Agent:

20120248899 - Moving magnet actuator magnet carrier: A magnet carrier for a moving magnet actuator. The magnet carrier includes a single longitudinal beam extending in the direction of intended motion of magnet carrier and two pairs of transverse ribs, extending from opposite sides of the longitudinal beam. The longitudinal beam and the two pairs of transverse ribs... Agent:

20120248900 - Stator structure: A stator structure, including strip shaped stator cores and end insulators. The end insulators are injection molded with the strip shaped stator cores, as a whole. A wire duct is arranged on top of a yoke of each strip shaped stator core and at the bottom of each end insulator.... Agent: Zhongshan Broad-ocean Motor Manufacturing Co., Ltd.

20120248901 - Squirrel-cage rotor and production method thereof: A squirrel-cage rotor and a production method thereof, the rotor having conductors with sufficient strength. In the invention, conductor particles are sprayed onto a core and/or conductive bars in a solid-state. As a result, in the coating material, the enlargement of the crystal grain of the conductors is significantly restricted,... Agent: Fanuc Corporation

20120248902 - Power tool with motor having a multi-piece stator: A power tool has a motor having a stator made by separately forming pole pieces and field coils. The field coils are placed over necks of the pole path pieces. An armature has an outside diameter of at least 0.625 the outside diameter of the stator is placed in the... Agent: Black & Decker Inc.

20120248903 - Superconducting machines: The higher level of cooling in the first mode used during the start-up procedure can involve a colder cryogen, or a greater flow of coolant. One way of achieving the latter is to circulate the coolant in normally evacuated regions 16 during the cool-down phase, and then re-establishing the vacuum... Agent: Rolls-royce PLC

20120248905 - Electric drive unit: An electric drive unit for a motor vehicle has an electric machine and a lubrication and cooling circuit. The lubrication and cooling circuit includes an aqueous lubricant, which is passed at least through an internal area of the electric machine, in order to cool parts of the electric machine in... Agent: Magna Powertrain Ag & Co Kg

20120248904 - Uniform contained cooling for stator: A liquid-cooled stator and rotor assembly for use as an electric motor or generator includes a housing having a first end bell, a second end bell, and at least one fluid orifice in the first end bell. A stator is fixed within a stator cavity of the housing. The stator... Agent: Caterpillar Inc.

20120248907 - Centrifugal heat dissipation device and motor using same: A centrifugal heat dissipation device and a motor using same are disclosed. The centrifugal heat dissipation device includes a main body having a shaft hole, a heat-absorption zone and a heat-transfer zone. The heat-transfer zone has a radially outer side connected to the heat-absorption zone and a radially inner side... Agent: Asia Vital Components Co., Ltd.

20120248906 - Rotor assembly with cooling mechanism: A rotor assembly with a cooling mechanism having first and second channels is provided. The rotor assembly includes a shaft having a hollow portion and a rotor core having at least one rotor stack positioned at least partially around the shaft. The rotor core has a first end and a... Agent: Gm Global Technology Operations LLC

20120248908 - Cooled fan motor and method of operation: A cooled fan motor may include an elongate housing adapted to be attached to a tankhead, the housing having at least one longitudinally extending groove, a shaft rotatably attached to the housing, a hub attached to the shaft, the hub having at least one opening therethrough and shaped to form... Agent: Dayton-phoenix Group, Inc.

20120248909 - Inverter device: An inverter includes a plurality of switching elements that convert between DC and AC power. A base plate includes a surface on which the switching elements are placed. Heat dissipating fins are provided on the opposite side of the base plate. Power is input and output through AC power terminals... Agent: Aisin Aw Co., Ltd.

20120248946 - Partial discharge monitoring systems and methods: Systems and methods for monitoring partial discharge within a remotely located and inaccessible electric motor. One embodiment comprises a downhole electric motor of an electric submersible pump system positioned in a well. The motor includes a partial discharge monitoring system coupled to the motor's power terminals. The partial discharge monitoring... Agent:

20120248910 - Linear actuator: A linear actuator, especially for telescopic lifting columns (7) comprising a reversible electric motor (16) and a transmission (17) located in a box-shaped housing (14). A Linear movable activation element (18), preferably a spindle unit (19-21) connected to the transmission (17) is secured to the housing (14)). The activation element... Agent:

20120248911 - Molded motor: Provided is a molded motor that hardly causes electric corrosion in bearings and produces less noise and vibration. Electrical continuity between a bracket 51 on an output side and a bracket 52 on a counter output side is secured by a conductive plate 60 having elasticity. Therefore, since the conductive... Agent: Fujitsu General Limited

20120248913 - Ferrite sintered magnet, motor, and method for producing the ferrite sintered magnet: A ferrite sintered magnet has a surface roughness Rz of 3.5 μm or less. A method for producing a ferrite sintered magnet includes: mixing magnetic powders with at least a binder resin to obtain a magnetic powder mixture; injection molding the magnetic powder mixture inside of a mold having a... Agent: Tdk Corporation

20120248912 - Magnet energized rotor apparatus: A permanent magnet apparatus has coacting intercourse magnetic flux fields that cause rotation of an output shaft assembly. Permanent magnets on the output shaft assembly are located adjacent drive magnets that reciprocate to alter the magnetic flux fields. A power transmission connects the output shaft assembly to the drive magnets... Agent:

20120248914 - Spindle motor: There is provided a spindle motor including: a sleeve rotatably supporting a shaft; a sleeve holder supporting the sleeve and formed through a pressing process; a stator core fixedly mounted on an outer circumferential surface of the sleeve holder; and a pulling magnet fixedly mounted on an upper surface of... Agent: Samsung Electro-mechanics Co., Ltd.

20120248915 - Permanent magnet embedded rotor for rotating electric machine and rotating electric machine: An accommodating recess (21A, 21B) has a magnet accommodating portion (19A, 19B) for accommodating a permanent magnet (17A, 17B) and a cavity (20A, 20B), which is located at the q-axis side of the magnet accommodating portion. The cavity opens through a rotor outer circumferential surface (162). A starting point (Pa1,... Agent: Kabushiki Kaisha Toyota Jidoshokki

20120248916 - Magent retaining arrangements: The present invention provides a permanent magnet rotor arrangement for a rotating electrical machine including a rotor body having an outer rim. A circumferential array of magnet carriers is mounted to the rotor body by fixing members and support members and is spaced apart from the rotor body in the... Agent: Converteam Technology Ltd.

20120248917 - Stator and rotor-stator structures for electrodynamic machines: Embodiments of the invention relate generally to electric motors, alternators, generators and the like, and more particularly, to stator structures and rotor-stator structures for motors that can be configured to, for example, reduce detent.... Agent: Novatorque, Inc.

20120248918 - Rotor for electric rotating machine and method of manufacturing the same: A rotor includes a rotor core comprised of steel sheets that are laminated in the axial direction of the rotor core and a rotating component configured to rotate together with the rotor core. Each of the steel sheets has a positioning portion for circumferentially positioning the steel sheet with respect... Agent: Denso Corporation

20120248919 - Motor and electric pump: A motor in which drive current supplied to a winding is controlled in accordance with a rotational position of a rotor detected from a waveform of an induced voltage between phases. The motor is provided with a stator including 3×n teeth and windings for three phases. A rotor includes a... Agent: Asmo, Co., Ltd.

20120248920 - Rotor for electric rotating machine and method of manufacturing the same: A rotor includes a rotor core comprised of magnetic steel sheets laminated in the axial direction and a pair of end plates that are respectively provided on the axial end faces of the rotor core so as to together sandwich the rotor core in the axial direction. The rotor is... Agent: Denso Corporation

20120248921 - Rotary electric machine with armature magnetic reaction compensation: The machine of the invention includes an inductor (11), an armature (10) and means for compensating the armature magnetic reaction. According to the invention, the means for compensation the armature magnetic reaction includes at least one permanent magnet (AC) implanted in a pole of the inductor. According to one particular... Agent:

20120248924 - Electric rotating machine drivable with a single three-phase inverter: In an electric rotating machine, a stator coil is comprised of first and second winding groups. The stator coil is wound around a stator core in a concentrated winding manner so that the phase difference in electrical angle between each corresponding pair of windings of the first and second winding... Agent: Denso Corporation

20120248922 - Rotary electric machine: The stator winding includes: a first three-phase wye-delta hybrid winding that is configured by connecting phase windings of a first wye winding to respective output ends of a first delta winding; and a second three-phase wye-delta hybrid winding that is configured by connecting phase windings of a second wye winding... Agent: Mitsubishi Electric Corporation

20120248923 - Rotary electric machine: A stator winding is configured by connecting a first three-phase stator winding and a second three-phase stator winding in parallel. A U1-phase winding of the first three-phase stator winding is configured by connecting a U1-1-phase winding portion and a U1-2-phase winding portion in series, and a U2-phase winding of the... Agent: Mitsubishi Electric Corporation

20120248925 - Electric motor and motor-driven compressor using the same: An electric motor includes a rotary shaft, a rotor fixed on the rotary shaft, and a stator having plural slots in which coils of different phases are wound. Each of the coils has at least one pair of end wires. At least in the coil located closest to the rotor,... Agent: Kabushiki Kaisha Toyota Jidoshokki

20120248926 - Apparatus and method for making pre-shaped insulating sheets intended to be inserted into stator or rotor slots: Apparatus (30) for making pre-shaped insulating sheets (10) for use in a stator or in a rotor comprising shaping elements (40-44) such to produce, starting from a continuous strip (15) made of electrically insulating material having a flat or substantially flat cross section, a strip portion having a cross section... Agent:

20120248927 - Electric motor: An electric motor includes a stator and a rotor installed in the stator. The stator has a laminated stator core and at least two stator windings wound on the stator core. The stator core has at least two stator poles facing the rotor and at least two yokes connecting adjacent... Agent:

20120248928 - Rotary electric machine laminated core: In a rotary electric machine laminated core, a rotating shaft portion is disposed closer to an outer circumferential surface than an inner circumferential surface of a back yoke portion. A notch portion is disposed on at least one of first and second end portions of the back yoke portion so... Agent: Mitsubishi Electric Corporation

20120248929 - Brush wear detector system with wireless sensor: A brush wear detector system for a dynamoelectric machine is provided. The brush wear detector system includes a brush holder, and at least one brush located within the brush holder. At least one spring is in contact with the brush and the spring operates to force the brush against an... Agent: General Electric Company

20120248930 - Wound core, electromagnetic component and manufacturing method therefor, and electromagnetic equipment: A wound core formed of a magnetic thin band, an electromagnetic component and a manufacturing method therefor and electromagnetic equipment in which iron loss and cost reduction can be achieved are provided. The wound core is a wound core formed by winding a magnetic thin band in the axial direction.... Agent: Hitachi Metals, Ltd.

20120248931 - Micromechanical component and manufacturing method for a micromechanical component: A micromechanical component is described having a substrate which has at least one stator electrode fixedly mounted with respect to the substrate, a movable mass having at least one actuator electrode fixedly mounted with respect to the movable mass, and at least one spring via which the movable mass is... Agent:

20120248932 - Method of adjusting the resonance frequency of a micro-machined vibrating element: The present disclosure relates to a method of adjusting the resonance frequency of a vibrating element, comprising measuring the resonance frequency of the vibrating element, determining, using abacuses and as a function of the resonance frequency measured, a dimension and a position of at least one area of modified thickness... Agent: Stmicroelectronics Sa

20120248933 - Piezoelectric device and manufacturing method therefor: A manufacturing method, which realizes general versatility of an external connection terminal by reducing deterioration of characteristics and a decrease in yield rate of a piezoelectric device in an external connection terminal forming process, and a piezoelectric device manufactured by this method are provided. Before a piezoelectric device is sealed... Agent: Nihon Dempa Kogyo Co., Ltd.

20120248934 - Vibration wave driving apparatus: Provided is a vibration wave driving apparatus which can restrain increases in the number of components and in necessary space and which can maintain a stable contact state of frictional surfaces of a vibrator and a driven body.... Agent: Canon Kabushiki Kaisha

20120248935 - Haptic feedback apparatus: 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.

20120248937 - Electric apparatus provided with power generating function: A remote controller (1) provided with a power generating function is provided with: a main body (10); an operation board (11); operation buttons (12) provided on the operation board (11) so as to be exposed to the outside of the remote controller (1); and a power generating section (14) which... Agent: Soundpower Corporation

20120248936 - Passive alternating current sensor: A passive alternating current sensor for sensing a current-carrying conductor is disclosed. The passive alternating current sensor includes a substrate, a magnetic body, at least one coil and a first measuring circuit. The substrate has a flexible structure layer. The magnetic body is disposed correspondingly to the current-carrying conductor and... Agent:

20120248938 - Tuning-fork type quartz-crystal vibrating pieces and piezoelectric devices having low crystal impedance: Tuning-fork type quartz-crystal vibrating pieces are disclosed, of which the vibration frequency can be adjusted without increasing CI. An exemplary piezoelectric device has a pair of vibrating arms extending in a predetermined direction from a first edge of a base. Respective first grooves are defined in a first principal surface... Agent: Nihon Dempa Kogyo Co., Ltd.

20120248939 - Method of manufacturing piezoelectric vibrator, piezoelectric vibrator, oscillator, electronic device, and radio watch: The present invention reduces the value of a bonding width L of a base substrate and a lid substrate in each piezoelectric vibrator. A plurality of lid substrates 3 each including a recess portion 3a are formed and a bonding film is formed on a wafer for lid substrate 50.... Agent:

20120248940 - Piezoelectric device and manufacturing method of piezoelectric device: A piezoelectric device, in which one of a first plate, a second plate, and an adhesive agent is colored for confirming a bonding status of the adhesive agent, and a manufacturing method thereof, are provided. A piezoelectric device includes a piezoelectric vibrating piece that vibrates by applying a voltage; a... Agent: Nihon Dempa Kogyo Co., Ltd.

20120248942 - Electromechanical converter, method for its production and use thereof: An electromechanical converter comprises a dielectric elastomer layer (1) designed as one piece and having a first side and a second side opposite the first side. The first and the second side of the dielectric elastomer layer (1) are corrugated in the same direction as each other with the formation... Agent: Artificial Muscle, Inc.

20120248943 - Oscillator electrode material having excellent aging characteristics, piezoelectric oscillator using the material and sputtering target comprising the material: An electrode material capable of making more satisfactory the dispersion at the time of production and the aging property of a resonator than Au and capable of reducing the price as compared to Au. An resonator electrode material including a ternary alloy composed of Au and two metals M1 and... Agent:

20120248941 - Stacked bulk accoustic resonator and method of fabricating the same: A stacked bulk acoustic resonator includes a first piezoelectric layer stacked on a first electrode, a second electrode stacked on the first piezoelectric layer; a second piezoelectric layer stacked on the second electrode, and a third electrode stacked on the second piezoelectric layer. The stacked bulk acoustic resonator includes further... Agent: Avago Technologies WirelessIP(singapore) Pte. Lt

20120248944 - Piezoelectric resonator and electrode structure thereof: There are provided a piezoelectric resonator and an electrode structure thereof. The piezoelectric resonator includes: a piezoelectric body oscillated according to an electrical signal; and first and second electrodes each including first and second electrode layers stacked on respective both surfaces of the piezoelectric body, wherein the first electrode layer... Agent: Samsung Electro-mechanics Co., Ltd.

20120248945 - Polymer blend composition and tunable actuators using the same: The present invention relates to one of energy conversion devices, actuator and a dielectric layer used in the actuator. The present invention provides a polymer blend composition capable of easily controlling the ability of converting electrical energy to mechanical energy, which is prepared by blending a piezoelectric polymer with a... Agent: Korea Institute Of Science And Technology

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