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Electrical generator or motor structure November recently filed with US Patent Office 11/11

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.
  
11/24/2011 > 41 patent applications in 34 patent subcategories. recently filed with US Patent Office

20110285216 - Permanent magnet module for an electrical machine: A permanent magnet module for a rotor of a permanent magnet electrical machine is presented. The permanent magnet module comprises: a stack of ferromagnetic steel sheets (104) having a groove in the direction perpendicular to the ferromagnetic steel sheets, and a permanent magnet (105) located in the groove and arranged... Agent: The Switch Drive Systems Oy

20110285217 - Stepping motor: A claw-pole-type stepping motor includes a stator annularly disposed therein and having a coil, a rotor rotatably disposed inside the stator and having a multiply magnetized permanent magnet and a shaft, an outer yoke provided in the stator and having a cup shape opening toward an axially outside direction an... Agent: Minebea Co., Ltd.

20110285218 - Installation structure of a temperature sensor in a brush motor and an electric power tool including same: An installation structure of a temperature sensor in a brush motor includes a holding plate; a metal-made fixing base; and a brush holder arranged on the fixing base to hold a brush in place. The metal-made fixing base is provided on the holding plate, and the fixing base includes a... Agent: Panasonic Electric Works Power Tools Co., Ltd.

20110285219 - Electrical machine with superconducting armature coils and other components: The present application and the resultant patent provide a superconducting electrical machine. The superconducting electrical machine may include an armature coil made of a high temperature superconducting material, a cooling system, and a field coil. The cooling system may include a cryostat surrounding the armature coil and a foam insulation... Agent: General Electric Company

20110285220 - Motor generator for vehicle technical field: A rotating electrical machine (100) is driven by a three-phase AC current and is provided with a stator core (13), a molded resin (12) for covering a coil wound on the stator core, a rotor core (40), a shaft (11) provided to the rotor core (40), a terminal base (20)... Agent: Toyota Jidosha Kabushiki Kaisha

20110285221 - Stator winding assembly and method: An electrical device includes a plurality of stacked laminates that form a tubular stator portion, a cooling passage partially defined by orifices formed in the plurality of stacked laminates, a housing including a cavity further defining the cooling passage, the cooling passage defining a fluid flow path parallel to a... Agent: Remy Technologies, L.L.C.

20110285222 - Sleeve member for an electric machine: Embodiments of the invention provide an electric machine module including a module housing. The module housing can include a sleeve member coupled to at least one end cover and can define a machine cavity. In some embodiments, the sleeve member can include an inner perimeter and can be coupled to... Agent: Remy Technologies, LLC

20110285225 - Drive apparatus: A heat sink is provided on a motor. A power module is provided on the heat sink to switch current supply to motor coils. A control circuit substrate is arranged on the heat sink and connected electrically to the power module. A power circuit substrate is connected electrically to the... Agent: Denso Corporation

20110285223 - Electric drive apparatus: Two power modules, in which switching elements for switching over currents supplied to coils of a motor are resin-molded, are provided to face each other sandwiching a plane including a rotation axis of a shaft. A first smoothing capacitor, second smoothing capacitors and a choke coil are located between the... Agent: Denso Corporation

20110285224 - Stator coil assembly: There is provided a compact stator coil assembly that has heat radiation increased and a cooling performance improved. A stator coil assembly includes a first coil piece, a second coil piece, and an insulating member provided with a retaining portion that catches the first coil piece and the second coil... Agent: Honda Motor Co., Ltd.

20110285252 - Motor with rotor-mounted control circuitry: A rotating electromechanical machine has a rotor having at least one current-carrying winding and at least one rotor-mounted sensor configured to sense a machine property or parameter during machine operation. Rotor-mounted circuitry dynamically modifies at least one property of the current-carrying winding during machine operation in response to the sensed... Agent: Searete LLC

20110285253 - Motor with rotor-mounted control circuitry: A rotating electromechanical machine has a rotor having at least one current-carrying winding and at least one rotor-mounted sensor configured to sense a machine property or parameter during machine operation. Rotor-mounted circuitry dynamically modifies at least one property of the current-carrying winding during machine operation in response to the sensed... Agent: Searete LLC

20110285254 - Self-starting electromotor: A self-starting electromotor having a stator and a rotor, the stator including at least one stator module of N toroid shaped electromagnets, the electromagnets arranged along an arc a predetermined distance apart defining a stator arc length. Each of the electromagnets has at least one gap. The rotor includes a... Agent: Apex Drive Laboratories, Inc.

20110285255 - Alternator: An alternator is provided with a rectifier including a positive-side and a negative-side heatsink that cool rectifier elements corresponding to each heatsink and a circuit board that holds the positive-side and the negative-side heatsink, wherein one of either the positive-side and the negative-side heatsink or the circuit board is provided... Agent: Mitsubishi Electric Corporation

20110285256 - Motor with rotor-mounted control circuitry: A rotating electromechanical machine has a rotor having at least one current-carrying winding and at least one rotor-mounted sensor configured to sense a machine property or parameter during machine operation. Rotor-mounted circuitry dynamically modifies at least one property of the current-carrying winding during machine operation in response to the sensed... Agent: Searete LLC, A Limited Liability Corporation Of The State Of Delaware

20110285227 - Generator with compact single turn wave winding and wind turbine: A generator is provided that includes at least one pole set representing one phase. Each pole set includes a plurality of poles. Only one conductor is turned about the poles of a particular pole set such that only half a single turn is associated to each pole of the particular... Agent:

20110285226 - Semiconductor module device and driving apparatus having the same: An inverter input terminal, a coil terminal for a U-phase coil, and an inverter ground terminal are arranged in this order and neighboring to one another to form a U-phase terminal group. An inverter input terminal, a coil terminal for a V-phase coil, and the inverter ground terminal are arranged... Agent: Denso Corporation

20110285228 - Vibration motor holding structure and vibration motor: There is provided a holding structure to hold a vibration motor on a circuit board with a sufficient holding strength using an inexpensive and simple means such as caulking and bonding and a vibration motor held on a circuit board using the holding structure. The holding structure having a holder... Agent: Minebea Motor Manufacturing Corporation

20110285229 - Rotor, manufacturing method thereof and electric gear motor having the rotor: A bearing is positioned relative to a rotatable shaft by inserting the bearing over the rotatable shaft until the bearing contacts a flange of the rotatable shaft, which is cold-forged on the rotatable shaft. The bearing is fixed to the rotatable shaft such that a swaged portion is formed in... Agent: Asmo Co., Ltd.

20110285230 - Electrical machine, particularly alternating current generator: The invention relates to an electrical machine, particularly an alternating current generator, that can be designed as a three-phase alternator, for example, having—preferably electrical—components that are protected from access, wherein to this end there is a protective cap (47) fastened by means of at least one snap region (103), wherein... Agent: Robert Bosch Gmbh

20110285231 - Fluid dynamic bearing system and a spindle motor having this kind of bearing system: The invention relates to a fluid dynamic bearing system having a bearing bush and a shaft that are rotatable with respect to one another about a common rotational axis and form a bearing gap filled with bearing fluid between associated bearing surfaces. The bearing surfaces form at least one fluid... Agent:

20110285232 - Shock resistant fluid dynamic bearing motor: A system, method and means is provided for withstanding mechanical shock for use with fluid dynamic bearings. A sealing system is provided that withstands 1000 G shock events. In an aspect, a grooved pumping seal employed between a thrust plate and a shield, a thrust plate having spiral grooves, a... Agent: Segate Technology LLC

20110285233 - Induction machine bearing system: A bearing assembly for an induction machine, such as an alternating current motor, includes a magnetic bearing for supporting a rotating shaft. An auxiliary bearing, also supporting the shaft in the event of magnetic bearing failure, is aligned with the motor end shield and frame so that shaft loads supported... Agent: Siemens Industry, Inc.

20110285234 - Generator with improved generation efficiency and rotational force: Disclosed is a generator that can produce electric power using water power, wave power or wind power. The generator characterized in that a plurality of magnet plates and separately-arranged coil plates are constructed in such a way that they can rotate in mutually opposing directions, and these magnet plates and... Agent:

20110285235 - Electro magnetic pulse motor/generator: An apparatus and method of providing output power from electrical pulse current in a highly efficient configuration. The input pulse current passes through a series of configured and wound input coils specifically positioned in an alternating manner in respect to wound and “tapped” output coils. Current is induced in the... Agent:

20110285236 - Rotating machines using trapped field magnets and related methods: Rotors with trapped-field magnet (TFM) bulks, machines with TFM rotors, and methods of activating and/or using machines with TFM rotors.... Agent:

20110285237 - Axial gap motor and method of manufacturing rotor for same: There are provided an axial gap motor which can reduce the number of manufacturing steps due to permanent magnets not having to be fixed by an adhesive and which can prevent permanent magnets from being displaced or loosened so that the permanent magnets can be positioned within a rotor frame... Agent: Honda Motor Col, Ltd

20110285238 - Double-stator motor: In a double-stator motor has a rotary shaft, an annular rotor is coupled with a rotary shaft. First and second three-phase stators are arranged inside and outside to the rotor in the radial direction and formed to generate first and second rotating magnetic fields in response to three-phase currents, respectively.... Agent: Denso Corporation

20110285239 - Permanent magnet machine with offset pole spacing: An internal permanent magnet machine has multiple rotor sections, each section having multiple rotor laminations. Permanent magnets are placed asymmetrically in lamination openings to attenuate oscillations in torque caused by harmonic components of magnetic flux.... Agent: Ford Global Technologies, LLC

20110285240 - Stator, motor, and compressor: A stator includes a core and an insulator. The core has a plurality of annularly arranged tooth portions. The insulator is disposed on an end portion of the core, and has an annular wall portion extending in a direction departing from the core. A protrusion protrudes radially outward across an... Agent: Daikin Industries, Ltd.

20110285241 - Rotor lamination assembly: An electric machine includes a rotor lamination assembly having a lamination member formed from a material having a first yield strength. The lamination member includes a first bridge portion having a first width, and a first bridge zone having a first thickness. The rotor lamination assembly also includes at least... Agent: Remy Technologies, L.L.C.

20110285242 - Stress reduction in electrical machines: A rotating electrical machine has a rotor composed of laminations having salient poles. The poles have one or more holes which are positioned so as to reduce the peak stress experienced by the lamination when the rotor is rotating. The holes are chosen according to a disclosed design procedure which... Agent: Nidec Sr Drives Ltd.

20110285243 - Rotary electric machine with improved magnetic resistance: In a motor, an armature includes an annular yoke having an inner surface, and a plurality of teeth radially projecting individually from the inner surface of the annular yoke, and a rotor is rotatably provided inside the armature with a gap between the outer surface thereof and the inner surface... Agent: Denso Corporation

20110285244 - Ultrasound wave generating apparatus: In one embodiment, there is provided in an ultrasound wave generating apparatus a low output impedance transistor based driver circuit that has the ability to apply a drive signal at a frequency corresponding to an ultrasound transducer's resonant frequency. The low output impedance of the driver circuit allows for a... Agent: Cornell University

20110285245 - Anodic wafer bonding method, method of manufacturing packages, method of manufacturing piezoelectric vibrators, oscillator, electronic apparatus, and radio clock: An anodic wafer bonding method according to the present invention is an anodic wafer bonding method for bonding a first substrate formed of an insulating material or a dielectric material and a second substrate which can be anodically bonded by applying a voltage to a bonding film formed of a... Agent:

20110285246 - Mechanical temperature compensation methods and devices: The disclosure pertains to a device and a method for compensating for heat expansion effects in solid materials, as well as a method for manufacturing the device.... Agent: Mindray Medical Sweden Ab

20110285247 - Electroactive polymer transducers for sensory feedback applications: Electroactive polymer transducers for sensory feedback applications are disclosed.... Agent: Bayer Materialscience Ag

20110285248 - Methods, systems, and devices for mechanical motion amplification: A mechanical amplifier and method for converting a small motion amplitude to a larger motion amplitude are disclosed. The method includes using two or more beams which are connected in series at angles to each other. Undesirable movements arising in the structure are absorbed by the structure through torsion. Each... Agent: Mindray Medical Sweden Ab

20110285249 - Piezolelectric sound-generating device: Provided is a piezoelectric sound generating device capable of obtaining a stable connection state of lead-out conductors constituted of a conductive resin layer. A piezoelectric sound generating device 10, wherein lead-out conductors 18a, 18b are so flatly formed as to extend from surface electrodes 11a, 11b1 of a piezoelectric element... Agent: Taiyo Yuden Co., Ltd.

20110285250 - Piezoelectric vibrator, piezoelectric vibrator mounting body, and piezoelectric vibrator manufacturing method: This piezoelectric vibrator is provided with a package that is structured to include a first substrate and a second substrate that are bonded to each other such that a cavity is formed therebetween, an internal electrode portion that is formed on the first substrate and housed in the cavity, a... Agent:

20110285251 - Bearing rotational lock: A bearing assembly for an electric motor is provided that includes a bearing having an inner race and an outer race, and a bearing float sleeve having an outer race engaging member. The outer race engaging member includes an outer surface configured for engagement with a bearing seat formed in... Agent:

  
11/17/2011 > 39 patent applications in 30 patent subcategories. recently filed with US Patent Office

20110278958 - Mover and linear motor: A mover, in which at each outer surface of a cornered tubular inner yoke, a flat plate magnet magnetized from inside to outside in a direction perpendicular to the outer surface, a flat plate magnet magnetized in an axial direction of the inner yoke, a flat plate magnet magnetized from... Agent:

20110278959 - Linear vibrator: There is provided a linear vibrator including: a housing having an internal space formed therein; a magnetic field unit including a yoke disposed in the internal space and having a magnet and a magnet insertion part formed therein, and interacting with a coil to which power is applied to linearly... Agent: Samsung Electro-mechanics Co., Ltd.

20110278960 - Linear vibrator: There is provided a linear vibrator including: a housing having an internal space formed therein; a magnetic field unit including a yoke disposed in the internal space, a magnet mounted on a surface of the yoke, and a yoke plate formed on a surface opposite to a contact surface between... Agent: Samsung Electro-mechanics Co., Ltd.

20110278961 - Linear vibrator: There is provided a linear vibrator including: a housing having an internal space formed therein; a magnetic field unit including a yoke disposed in the internal space and a magnet mounted on a surface of the yoke, and interacting with a coil to which power is applied to thereby generate... Agent: Samsung Electro-mechanics Co., Ltd.

20110278962 - Linear vibrator: There is provided a linear vibrator including: a housing having an internal space formed therein; a magnetic field unit including a yoke disposed in the internal space and a magnet mounted on one surface of the yoke, and interacting with a coil to which power is applied to thereby generate... Agent: Samsung Electro-mechanics Co., Ltd.

20110278963 - Electrodynamic linear oscillating motor: The invention relates to an electrodynamic linear oscillating motor characterised by high power densities in the magnet gap, magnetic return of the oscillating system to the centre position and a comparatively low weight of the oscillating system. The linear oscillating motor comprises a stator system, which is provided with at... Agent: Institut Fuer Luft-und Kaeltetechnik Gemeinnuetzige Gmbh

20110278964 - Vehicle windshield wiper motor having multiple attachment points, and mounting structure for said motor: A vehicle windshield wiper motor including an output shaft and an attachment device for attaching a mounting structure onto a tube, the attachment device including an attachment base and a plate. The base includes at least five attachment members for attaching parallel rods therebetween, three attachment members forming a first... Agent: Renault S.a.s.

20110278966 - Motor with overmolded permanent magnets: A permanent magnet electric motor has a stator and a rotor. The stator has a stator housing with at least a North pole and a South pole. Each pole includes at least two permanent magnets arranged on an inner surface of the stator housing near the pole tips and an... Agent: Black & Decker Inc.

20110278965 - Stator core and spindle motor having the same: There is provided a stator core including a core back having an opening such that the core back is fixed to a stationary member by being pressed and fitted thereto; and a plurality of teeth portions being protruded from the core back in a radial direction, each teeth portion including... Agent: Samsung Electro-mechanics Co., Ltd.

20110278967 - Rotor for electric rotating machine: A rotor for an electric rotating machine includes a hollow cylindrical rotor core, a plurality of permanent magnets, at least one annular plate and a plurality of heat conductors. The rotor core has a pair of axial end faces that are opposite to each other in the axial direction of... Agent: Denso Corporation

20110278968 - Multi-path liquid cooling arrangement for electric machines: A multi-path liquid cooling arrangement for electric machines comprising a heat storing element provided with channels having a generally C-shaped cross-section and cooling tubes so configured and sized as to be insertable in the channels is described herein. The cooling tubes, once inserted in the channels are deformed to conform... Agent: Tm4 Inc.

20110278969 - Electrical machine with multiple cooling flows and cooling method: An electrical machine with a stator has a winding support, which has at least one radial cooling slot, and a rotor, which likewise has at least one radial cooling slot. The winding support of the stator has on its outer shell a number of axially running cooling ribs, along which... Agent: Siemens Aktiengesellschaft

20110278970 - Electric motor: An electric motor has a stator and a rotor rotatably mounted in the stator. The stator includes a stator core and stator windings. A heat dissipating device is mounted around an outer surface of the stator core and configured to absorb heat there from. The heat dissipating device includes a... Agent:

20110278971 - Rotary machine: A rotary machine including: a stator in the rotary machine; and a stator coil provided in the stator, a part or all of the stator and the stator coil being molded with resin to insulate the stator coil, wherein one or more materials having high thermal conductivity are provided on... Agent: Hitachi, Ltd.

20110278995 - Motor for an electric power steering apparatus: Provided is a motor for an electric power steering apparatus, in which vibrations and noises are suppressed. The motor for an electric power steering apparatus includes: a motor section (1) for outputting an assist torque to a handle of a vehicle; and a controller (2) for controlling driving of the... Agent: Mitsubishi Electric Corporation

20110278972 - Conductive connection for bar-wound stators: A bar-wound stator, which is connectable to a plurality of fixed terminal points, includes a plurality of stator teeth and a plurality of magnet wires. Each of the plurality of magnet wires has a winding portion wound about at least one of the plurality of stator teeth and a junction... Agent: Gm Global Technology Operations, Inc.

20110278974 - Electric power distribution member for stator and method of manufacturing the same: An electric power distribution member for stator is a member for connecting a plurality of coils to one another, each having coil opposing end portions located on an inner circumferential side and on an outer circumferential side in a radial direction of a stator, and it includes a plurality of... Agent:

20110278973 - Stator for electric rotating machine: A stator for an electric rotating machine is equipped with a stator winding made up of a plurality of conductor segments. Each of the conductor segments has a head and two legs. The legs are inserted through their respective slots formed in a stator core, so that each of the... Agent: Denso Corporation

20110278996 - Wind turbine generator: A wind turbine generator is provided with a generator which is provided with a stator and a stator casing accommodating a generator rotor and the stator; a main shaft having one end coupled to a wind turbine rotor and the other end coupled to the generator rotor; a first bearing... Agent: Mitsubishi Heavy Industries, Ltd.

20110278975 - Decreased drag high efficiency electric generator: A method, device and system is disclosed for decreased drag high efficiency electric generator by converting the vast majority of kinetic energy input into the electric generator, through the drive shaft, into usable electric power output by separating the destructive interactive forces between the stator magnetic poles and the rotor... Agent:

20110278976 - Permanent magnet and method of manufacturing the same, and motor and power generator using the same: In an embodiment, a permanent magnet includes a composition represented by R(Fep(TisM1-s)qCur(Co1-tAt)1-p-q-r)z (R is at least one element selected from rare earth elements, M is at least one element selected from Zr and Hf, A is at least one element selected from Ni, V, Cr, Mn, Al, Ga, Nb, Ta... Agent: Kabushiki Kaisha Toshiba

20110278977 - Rotor for electric rotating machine: A rotor includes a hollow cylindrical rotor core and permanent magnets embedded in the rotor core to form a plurality of magnetic poles on the radially outer periphery of the rotor core. The rotor core has a plurality of openings each of which extends in the axial direction of the... Agent: Denso Corporation

20110278978 - Consequent pole permanent magnet motor: In a motor, an armature is provided to be opposite to a rotor member for generating a rotating magnetic field. In the armature, plural sets of teeth are arranged in a direction of rotation of the rotor member such that each set of teeth in the plural sets of teeth... Agent: Denso Corporation

20110278979 - Electric motor comprising an inductor with a superconducting element incorporated between coils: An electric motor includes a magnetic field induction device and an induced field device, rotating relative to one another, wherein the induction device comprises a set of two conducting coils around an axis, through which currents travel in the same direction, and a central part, placed between the two coils,... Agent: Universite Henri Poincare Nancy 1

20110278980 - Stator coil production method and electric motor equipped with stator coil produced by the same: A stator coil production method using a plurality of shaping press pairs. A stator coil is made up of in-slot portions to be disposed in slots of a stator core and coil-end portions each of which extends every adjacent two of the in-slot portions. Each of the shaping press pairs... Agent: Denso Corporation

20110278981 - Rotor for electric rotating machine: A rotor for an electric rotating machine is provided. The rotor includes a shaft and a core which is fastened to an outer periphery surface of the shaft by shrink fitting. The shaft includes a fastening portion to which the core is fastened. A diameter of the fastening portion is... Agent: Denso Corporation

20110278982 - Press plate for tightening the metal sheets of a stator core of an electric machine: A press plate (5) for tightening the metal sheets (2) of a stator core of an electric machine has an annular element (16) with a plurality of holes (17) provided at a side wall (11) thereof. The holes (17) have an elongated recessed top portion (20) and a cylindrical recessed... Agent:

20110278983 - Segmented core motor stator: Stator core of motor stator is equipped with a segmented core connecting body which connects in an annular shape a segmented core having a structure whereby laminated core plates are connected and held in place in a laminated state. To connect and fix core laminated plates by clamping, first and... Agent: Harmonic Drive Systems Inc.

20110278984 - Beta energy extractor: The present disclosure is directed to an energy extraction device that employs a radioactive isotope, such as 90Sr, as a charged particle source. The decaying radioactive isotope emits energetic charged particles, such as beta particles, into a magnetic field. Because the magnetic field is substantially normal to the paths of... Agent: The Boeing Company

20110278985 - Surface acoustic wave resonator with an open circuit grating for high temperature environments: Surface acoustic wave resonators for use in high temperature applications including a piezoelectric substrate, at least one interdigital transducer supported by the piezoelectric substrate, and a grating reflector supported by the piezoelectric substrate, the grating reflector being fabricated of a heavy metal and comprising a plurality of electrodes, at least... Agent: University Of Maine System Board Of Trustees

20110278986 - Systems and apparatus for harvesting energy: A sensor assembly includes a transducer and a control module coupled with the transducer. The control module is configured to selectively switch the sensor assembly between a first mode of operation wherein the sensor assembly measures an amount of energy induced to the sensor assembly, and a second mode of... Agent:

20110278987 - Vibration wave actuator: Provided is a vibration wave actuator including: a vibrator including at least an electro-mechanical energy conversion element and an elastic body to which the electro-mechanical energy conversion element is joined, the elastic body including a contact portion formed therein, the vibrator being configured to provide elliptic motion to the contact... Agent: Canon Kabushiki Kaisha

20110278988 - Torsional mode ultrasonic generator: Apparatus (5,50) for generating torsional-mode ultrasonic vibrations comprises a stack of axially-polarised piezo-electric ceramic rings (10) having a torsional converter (1,51,53) mounted coaxially to either one face of the stack or to two opposite faces thereof. Each torsional converter (1,51,53) has a cross-sectional inhomogeneity comprising a plurality of helically-extending grooves... Agent:

20110278990 - Method and system for fluid wave energy conversion: A system for converting kinetic wave energy from a dynamic fluid into electrical power, the system including a structural housing containing a piezokinetic assembly having a plurality of electromechanical coupled elements, and a dynamic assembly, coupled to the piezokinetic assembly; and charge storage devices or power consumption devices in an... Agent: Qortek, Inc.

20110278991 - Piezoelectric power generating element, and method of generating electric power using the piezoelectric power generating element: Provided is a relatively easy-to-fabricate piezoelectric power generating element capable of generating a large amount of electric power while comprising a bridge-type vibration beam that is resistant to damage from external vibration. This element comprises a support member, a strip-shaped vibration beam, a piezoelectric layer, and electrodes. The first and... Agent: Panasonic Corporation

20110278989 - Power generation member, power generation device using same and power generation system.: A power generation member 1 includes: a piezoelectric element 2 in which electrodes 2a and 2c are formed on both main faces of a plate-shaped piezoelectric ceramic 2b; a pressing member to press one main face of the piezoelectric element 2; and a support member 4 to support the other... Agent: Jr East Consultants Company

20110278992 - Flexural resonator element and flexural resonator for reducing energy loss due to heat dissipation: A flexural resonator element includes a base body and a beam with a groove and a through-hole, the beam being extended in a Y direction from the base body and flexurally vibrating in an X direction orthogonal to the Y direction, the groove being formed on a surfaces of the... Agent: Epson Toyocom Corporation

20110278993 - Method for manufacturing composite piezoelectric substrate and piezoelectric device: A piezoelectric device is manufactured in which the material of a supporting substrate can be selected from various alternative materials. Ions are implanted into a piezoelectric substrate to form an ion-implanted portion. A temporary supporting substrate is formed on the ion-implanted surface of the piezoelectric substrate. The temporary supporting substrate... Agent: Murata Manufacturing Co., Ltd.

20110278994 - Rotor of rotating electrical machine: A rotating electrical machine is provided in which, even when torque from a water turbine is reduced and reverse torque is applied due to load cut off, a rotor core is not eccentric to spider arms. The rotor of a rotating machine includes a vertical rotating shaft, spider arms extending... Agent: Hitachi, Ltd.

  
11/10/2011 > 33 patent applications in 28 patent subcategories. recently filed with US Patent Office

20110273032 - Kaman vortex street generator: A Karman vortex street generator including a shell (1), permanent magnets (3, 6), a vortex generating body (4), and a metal winding (5). Both ends of the shell (1) are respectively provided with an inlet end (2) and an outlet end (7). The permanent magnets (3, 6) are respectively located... Agent:

20110273034 - Axial gap motor: A magnet pole portion 31 is made up of an integral magnet 44 into which are integrated a main permanent magnet piece 41 which is magnetized in the direction of a rotational axis, a pair of auxiliary permanent magnet pieces 42, 42 which are disposed at circumferential sides on one... Agent: Honda Motor Co., Ltd.

20110273033 - Rotary electric machine: A plurality of stator cores having a plurality of magnetic poles arranged at intervals in the circumferential direction are laminated in the axial direction with use of a heat-shrinkable tube having an appropriate compression retention force. The outer circumferences of these stator cores are covered collectively with another heat-shrinkable tube.... Agent:

20110273035 - Transverse and/or commutated flux system stator concepts: Disclosed are transverse and/or commutated flux machines and components thereof, and methods of making and using the same. Certain exemplary stators for use in transverse and commutated flux machines may be configured with gaps therebetween, for example in order to counteract tolerance stackup. Other exemplary stators may be configured as... Agent: Motor Excellence, LLC

20110273037 - Brushless dc motor: A brushless DC motor includes a rotor having a shaft and a column-shaped magnet in which a through hole is formed at a center of the magnet in the axial direction for allowing the shaft to be inserted and also allowing resin to be filled in a space between an... Agent: Makita Corporation

20110273036 - Power tool having a direct current motor and power electronics: A power tool has a direct current motor and power electronics including power components and logic components for operating the direct current motor. The power components are situated on the direct current motor as a power unit.... Agent:

20110273038 - Motor ring and splash shield arrangement for a fan assembly: A fan assembly includes a motor ring and an electric motor supported by the motor ring and including an output shaft defining a central axis, a brush assembly, and a motor end shield having at least one aperture and disposed adjacent the brush assembly. The fan assembly further includes a... Agent: Robert Bosch Gmbh

20110273039 - Electric machine cooling system and method: Embodiments of the invention provide an electric machine module including a module housing, which can at least partially define a machine cavity. In some embodiments, an electric machine can include a stator assembly and a rotor assembly and can be positioned in the machine cavity. In some embodiments, the module... Agent: Remy Technologies, LLC

20110273040 - Electric machine cooling system and method: Some embodiments of the invention provide an electric machine including a rotor assembly. In some embodiments, the rotor assembly can include a plurality of rotor laminations including at least one first aperture positioned through a portion of the rotor laminations. In some embodiments, the first apertures can form at least... Agent: Remy Technologies, LLC

20110273041 - Electricity-generating device: An electricity-generating device has a rotator unit has a rotator, multiple magnetic strips and a shaft and has a stator unit comprising multiple annular steel sheets, a positioning post, multiple dividing boards, multiple insulating sheets, an inner coil and an outer coil. The shaft is connected to a drive motor... Agent:

20110273042 - Automotive controlling apparatus-integrated dynamoelectric machine: A controlling apparatus-integrated dynamoelectric machine Includes: a metal housing that includes a front bracket and a rear bracket; a rotor that is rotatably disposed inside the housing by being fixed to a shaft that is rotatably supported by the front bracket and the rear bracket; a stator that includes: a... Agent: Mitsubishi Electric Corporation

20110273063 - Electromechanical device: An electromechanical device comprising a mechanical interface structure (101) for connecting to an external rotating element, an electrical machine (102-104, 117), and one or more gear stages (105-112) on a mechanical power transmission path between the mechanical interface structure and a rotor of the electrical machine, wherein the electromechanical device... Agent: Moventas Wind Oy

20110273064 - Electromechanical device: An electromechanical device comprising a mechanical interface structure (101) for connecting to an external rotating element, an electrical machine (102-104), and one or more gear stages (105-112) on a mechanical power transmission path between the mechanical interface structure and a rotor (103) of the electrical machine, wherein the rotor (103)... Agent: Moventas Wind Oy

20110273062 - Rotation assembly for motor: A rotation assembly for a motor comprises a hub, a shaft, a buckling member and a fixing plate. The hub has a through-hole and an assembling portion. The through-hole has a first opening and a second opening opposing to the first opening. The assembling portion is located surrounding the first... Agent:

20110273043 - High reliability generator with dual drive path: A generator arrangement is provided in which the functionality of two typically separate electrical power generators are combined together into a single generator that forms part of a three-in-one combined multi-generator which has a dual drive path with a shear section that immunizes one of the generators (e.g., the permanent... Agent: Oeco, LLC

20110273044 - Large gap horizontal field magnetic levitator: The invention is a magnetic levitation device that has a pair of permanent magnets or electromagnets, which are used to create a large constant magnetic field on a horizontal plane between two magnetic poles. An object is levitated between the two magnets and is kept within the horizontal magnetic field... Agent:

20110273045 - Electrical machine and a method for assembling it: A method for installing a rotor of an electrical machine is disclosed. The method comprises using axially directed guide bars (107-109) for keeping the rotor (102) centered with respect to a bore of a stator (101) during the installation of the rotor. The rotor has sliding surfaces so that it... Agent: The Switch Drive System Oy

20110273046 - Electric motor: Provided is an electric motor which is simple to design and manufacture, and can be operated by a small current. The electric motor is comprised of a stator 55 having a first disk 45 and a second disk 50, a first ring core 10 having a first switching winding 15... Agent:

20110273047 - Rotor lamination assembly: An electric machine includes a stator, and a rotor lamination assembly configured to rotate relative to the stator. The rotor assembly includes at least one lamination member that includes a body having an inner diametric edge that extends to an outer diametric edge, and at least one magnet receiving member.... Agent: Remy Technologies, L.L.C.

20110273048 - Segmented stator for an axial field device: An axial rotary energy device including a segmented stator assembly having a plurality of segments arranged in an annular array. Each stator segment is constructed by stacking a plurality of PCB power conductor layers and a plurality of PCB series layers. Each layer having radial conductors extending from an inner... Agent:

20110273049 - Rotor lamination assembly: An electric machine includes a stator, and a rotor lamination assembly configured and disposed to rotate relative to the stator. The rotor lamination assembly includes at least one lamination member including a body member having an outer diametric edge, and at least one magnet receiving member. The at least one... Agent: Remy Technologies, L.L.C.

20110273050 - Adjustable axial-flux disc motor: An adjustable axial-flux disc motor, that is used in a flat space formed at a side or at the center of a wheel center for driving the wheel to rotate. The motor is activated to perform a rotation movement by the interactions of an electromagnetic field formed from the passing... Agent: Industrial Technology Research Institute

20110273051 - Stator core winding method for motor and structure thereof: The present invention provides a stator core winding method for a motor and a structure thereof. The method includes preparing a stator core including a plurality of core cavities; winding a pair of second-phase coils into the plurality of core cavities of the stator core; winding a pair of first-phase... Agent:

20110273052 - Dynamoelectric device: A device, including a rotor, a stator, a coil wound around the stator, wherein the stator has a coil support structure having at least one side edge arranged along a line which is not parallel to a line extending from an axis of the rotor through a center of the... Agent: Electric Gorilla, LLC

20110273053 - Armature of electric motor: An object of the invention is to provide an armature of an electric motor that provides a maximum of space for winding without causing an increase of the magnetic resistance and reduction of the coil space factor. The armature of the electric motor includes a stator yoke 5 of a... Agent: Mitsubishi Electric Corporation

20110273054 - Electrical steel, a motor, and a method for manufacture of electrical steel with high strength and low electrical losses: In a method for manufacture of electrical steel a liquid steel mixture is created with a specified mixture chemistry. A continuous casting is performed to convert the liquid steel mixture to a slab. Hot roll steel band is created from the slab which is then pickled and hot band annealed,... Agent:

20110273055 - Method and apparatus for retaining laminations of a stator of an electrical machine: A retainer in the stator of an electrical machine holds a plurality of stacked stator laminations in compression at an inner diameter of a stator core. The plurality of laminations have a central aperture and a plurality of teeth circumferentially spaced about the central aperture. The plurality of stacked laminations... Agent: Baldor Electric Company

20110273056 - Method for manufacturing ceramic electronic component and ceramic electronic component: A method for manufacturing a ceramic electronic component capable of preventing degradation of the self alignment property and product characteristics due to absorption of flux into pores of a ceramic element assembly during soldering in mounting and a ceramic electronic component. In the method, a ceramic element assembly is subjected... Agent: Murata Manufacturing Co., Ltd.

20110273057 - Device and method for controlling a resonant ultrasound piezoelectric injector: A device for controlling a resonant ultrasound piezoelectric stage, including: a first stage of increasing a DC voltage to an intermediate DC voltage, a second modulation stage including an inductor connected to the intermediate DC voltage and a first switching transistor for selectively controlling a phase of charging the inductor... Agent: Renault S.a.s

20110273058 - Rotary type vibration wave driving apparatus: A rotary type vibration wave driving apparatus which is capable of reducing local wear of a contacting member and of reducing performance deterioration due to long term operation is provided. The apparatus includes a electro-mechanical energy conversion element, an vibration member fixed to the electro-mechanical energy conversion element and vibrated... Agent: Canon Kabushiki Kaisha

20110273059 - High frequency piezocomposite and methods for manufacturing same: A transducer with triangular cross-sectional shaped pillars is described for suppressing lateral modes within a composite, and a method for producing the same. According to one aspect of the present application, a plurality of triangular cross-sectional shaped pillars extends outwardly from a substrate and form an array of pillars. The... Agent:

20110273060 - Hybrid piezoelectric generation: t

20110273061 - Method and apparatus for manufacturing a resonating structure: Mechanical resonating structures are described, as well as related devices and methods. The mechanical resonating structures may have a compensating structure for compensating environmental changes.... Agent: Sand9, Inc.

  
11/03/2011 > 37 patent applications in 31 patent subcategories. recently filed with US Patent Office

20110266892 - Vibration generating device: A vibration generating device includes a coil wound around an outer peripheral surface of a core, a vibrator vibrating due to a magnetic field generated by the coil, a magnetic field forming unit having a pair of magnets oppositely disposed at both surfaces of the vibrator so that the same... Agent: Alps Electric Co., Ltd.

20110266893 - Switched reluctance machine: A switched reluctance machine is provided. The switched reluctance machine has a rotor including a rotor core, where the rotor core includes multiple laminated sheets, each of the laminated sheets including multiple ferromagnetic regions and multiple non-ferromagnetic regions formed of a single material. The ferromagnetic and the non-ferromagnetic regions are... Agent: General Electric Company

20110266894 - Manufacturing method of laminated magnet film with self-bonding layer: There is provided the manufacturing method of a laminated magnet film, including the steps of: a first step of preparing a magnet film, 40 μm to 300 μm in thickness, provided with a nanocrystalline structure magnetically isotropic; a second step of applying a self-bonding resin composition with film formability on... Agent: Minebea Co., Ltd.

20110266895 - Rotating electrical machine: According to one embodiment, a rotating electrical machine has a vibrating-element. The vibrating-element has spring bars and circular members which cover spring bars while a part is connected to spring bars. The spring bars are connected to first stator core connection portions, which are formed so as to be spaced... Agent: Kabushiki Kaisha Toshiba

20110266896 - Rotating electric machine: A rotating electric machine is provided and includes a rotor rotating around an axis and a stator concentrically surrounding the rotor. The stator is made up of a plurality of packages of laminations and includes a plurality of axial slots distributed along the inner circumference of the stator for receiving... Agent: Alstom Hydro France

20110266898 - Cooling system for a motor and associated electronics: A cooling system is provided for an electric motor having control circuitry and including a motor housing surrounding the motor. The motor drives at least one radial fan at one end thereof for directing airflow through the motor housing across the motor. A fan housing encloses the cooling fan and... Agent: Nidec Motor Corporation

20110266897 - Electric machine: An electric machine is provided. The electric machine includes a stator, a rotor and a closed cooling channel through which a gaseous cooling medium circulates. The stator includes a stator lamination at least partially encasing several stator windings. The closed cooling channel is disposed in circumferential direction of the stator... Agent:

20110266928 - Motor control apparatus, power steering apparatus and brake control apparatus: A motor control apparatus including: a motor including a rotating member and a stator; a housing member including a motor housing portion and a power system substrate housing portion, the motor housing portion enclosing the motor and extending in an axial direction of the rotating member, the power system substrate... Agent:

20110266900 - Device for coupling an asynchronous motor with an electrical power cable, asynchronous motor and method for coupling an asynchronous motor with an electrical power cable: A device for coupling an asynchronous motor with an electrical power supply cable includes a socket (100) designed to be connected to the asynchronous motor so that each of the six wires (17, 18, 19, 20, 21, 22) of the asynchronous motor corresponds to a contact (103) of the three-phase... Agent: Souriau

20110266899 - Terminal lead insulator assembly for wound field synchronous machine: A terminal lead insulator assembly for use in a wound field synchronous machine has a generally cylindrical skirt extending in a first direction from a radially larger face. The radially larger face is formed with a plurality of radially outwardly extending ears. The ears include central openings for receiving electrical... Agent:

20110266901 - Flat type vibration motor: A flat type vibration motor realizing strong fastening of a rotor frame and an eccentric weight without welding, that is, a flat type vibration motor provided with a cover case having a tubular part with an opening closed by a stator structure and supporting one end of a shaft and... Agent: Sanyo Electric Co., Ltd.

20110266902 - Inherently torque limiting magnetically-coupled wheels: An apparatus having at least one rotatable driven object having an edge on which are disposed a series of adjacent magnets of alternating polarity and a driving object rotatable by an external motor torque and having a series of adjacent magnets of alternating polarity on a magnet supporting surface. The... Agent:

20110266903 - Coaxial inversion coreless generator: Provided is a space-saving coaxial inversion coreless generator of a simple structure wherein a high output can be obtained by utilizing the rotational force of a wind turbine, for example. The coaxial inversion coreless generator comprises a generator shaft supported fixedly, an outer rotor with a magnet supported rotatably by... Agent:

20110266905 - Flux-focused shaped permanent magnet, magnetic unit having the magnets, device having the magnetic units and method for asymmetrically focusing flux fields of permanent magnets: A flux-focused, shaped permanent magnet includes a body of magnetic material having multiple surface contouring to form a reduced flux side with convex surfaces and an increased flux side with concave surfaces. The surfaces develop high and low resistance external flux paths creating focused asymmetric flux fields. A magnetic unit... Agent:

20110266904 - Permanent magnet actuator for adaptive actuation: A magnetic actuator for adaptive type actuation comprising a set of permanent magnets (M) including at least one first set of magnets and one second set of magnets spatially arranged so as to be able to interact magnetically with one another; means (SM) for orienting the magnets of one set... Agent:

20110266906 - Small dc 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

20110266907 - Small dc 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

20110266908 - Rotating electric machine, especially synchronous permanent magnet machine: A rotating electric machine, especially synchronous permanent magnet machine, is provided. The machine includes a rotor with a given number of magnets distributed along the circumference and a given number of rotor pole pairs, and further comprising a stator with a given number of stator pole pairs and a given... Agent: Alstom Hydro France

20110266909 - Segmented rotor: The present application provides a segmented rotor. The segmented rotor may include a center wheel, a number of rotor support segments positioned about the center wheel, and a number of active rotor components positioned about each of the rotor support segments.... Agent: General Electric Company

20110266910 - Rotor, rotating electric machine, vehicle, elevator, fluid machine, and processing machine: A rotor includes a rotor core, a first magnet, a second magnet, a first pole partition line, and a second pole partition line. The first and second magnets are provided inside the rotor core and between the first and second pole partition line. The first magnet is closer to the... Agent: Kabushiki Kaisha Yaskawa Denki

20110266912 - Rotating electric machine with a stator winding comprising a plurality of coils and method for manufacturing same: A rotating electric machine is provided and includes a rotor rotating around an axis, and a stator concentrically surrounding the rotor, the stator being equipped with a stator winding, which includes a plurality of coils. Each of the coils is wound in a series of adjacent single coils around a... Agent: Alstom Hydro France

20110266911 - Winding arrangement: A winding arrangement for an armature of an electric machine is provided. The winding arrangement includes a plurality of coils and a plurality of distinct winding types, wherein the coils are arranged on the armature such that each coil comprises the same number of windings and the same number of... Agent:

20110266913 - Segmented stator assembly: A stator assembly includes a segmented stator having stator portions. Each stator portion includes a support structure and dovetails, each coupled to the support structure by adjustable elements. The stator portion also includes stator laminations, where each of the laminations has openings to engage with the dovetails. Connectors are provided... Agent: General Electric Company Global Research

20110266914 - Brush holder apparatus, brush assembly, and method: Devices and methods of use for brush holder assemblies are disclosed. Brush holder assemblies including a mounting block and a brush holder are disclosed. Also illustrated is a brush holder assembly including a first portion in sliding engagement with a second portion. In some embodiments the brush holder includes a... Agent: Cutsforth Products, Inc.

20110266915 - Power generating apparatus: A power generating apparatus (100) is provided with first substrates (2b, 2c) whereupon a first electrode (3) is arranged on one surface; a second substrate (1a) which includes a second electrode (6) arranged to face a first electrode on the one surface side of the first substrate; and sliding mechanisms... Agent: Sanyo Electric Co., Ltd.

20110266916 - Tritium battery: A Tritium battery of parallel and aligned thin plate anodes and cathodes separated by thin dielectric panels and enclosed in a vented case with an external dummy load, an integral internal DC-DC converter providing converted output power to external electrical contacts, and a fuse. Logic switches power to the dummy... Agent:

20110266917 - Guided bulk acoustic wave device having reduced height and method for manufacturing: Guided bulk acoustic wave devices and method for manufacturing guided bulk acoustic wave devices are provided. A guided bulk acoustic wave device includes a resonator structure with a piezoelectric layer, an electrode layer for exciting guided bulk acoustic waves and a wave guide layer. The thickness of the piezoelectric layer... Agent:

20110266918 - Piezoelectric device and method for manufacturing piezoelectric device: A piezoelectric device includes IDT electrodes and solves various problems resulting from the IDT electrodes. The piezoelectric device has a configuration in which a piezoelectric thin-film and a support are bonded together such that the piezoelectric thin-film is supported by the support. IDT electrodes and interconnect electrodes are provided on... Agent: Murata Manufacturing Co., Ltd.

20110266919 - Detection sensor and resonator of detection sensor: A detection sensor (10) includes: plural beam-like resonators (30A, 30B), a vibration characteristic of which changes according to adsorption or sticking of a substance having a mass and one end of each of which is fixed; a driving unit (40) that vibrates the resonators; and a detecting unit (40) that... Agent: National Institute Of Advanced Industrial Science And Technology

20110266920 - Electromechanical motor, especially a piezoelectric microstepper drive: A motor which includes two drive elements, especially piezoelectric bending actuators, having effective directions that are perpendicular to each other. These actuators act upon a drive ring to thereby rotate a shaft. Diagonally opposite securing elements are provided on the drive ring and are used to flexibly suspend the drive... Agent: Continental Automotive Gmbh

20110266921 - Ultrasonic actuator: An ultrasonic actuator may be provided in which generation of a stress is prevented in the connection face of the piezoelectric element between the electrodes and the conductive members. The ultrasonic actuator includes a piezoelectric element (P1) and flexible cables (F1). The piezoelectric element (P1) includes: a piezoelectric layer (1);... Agent: Panasonic Corporation

20110266922 - Electronic device: An electronic device 10 includes a layered piezoelectric element 20 and a driven member 30. The driven member 30 is bonded to the top surface 20a of the layered piezoelectric element 20 by means of an epoxy resin adhesive S. The piezoelectric element 20 includes a side electrode 24 on... Agent: Ngk Insulators, Ltd.

20110266923 - Flexible piezoelectric tactile sensor: A flexible piezoelectric tactile sensor having a piezoelectric thin film, a first flexible substrate, a second flexible substrate, and at least one elastic body is revealed. The piezoelectric thin film includes an upper surface and a lower surface while the first flexible substrate is disposed on the upper surface of... Agent: Southern Taiwan University Of Technology

20110266924 - Crystal microbalance holder: A piezoelectric element holder allows a piezoelectric crystal to be mounted with a single exposed surface. This permits more accurate estimates of applied coating weights and thicknesses to be obtained. The piezoelectric element is mounted via a removable cap and malleable seal that permit the element to be removed and... Agent:

20110266925 - Resonator device including electrode with buried temperature compensating layer: An acoustic resonator device includes a composite first electrode on a substrate, a piezoelectric layer on the composite electrode, and a second electrode on the piezoelectric layer. The first electrode includes a buried temperature compensating layer having a positive temperature coefficient. The piezoelectric layer has a negative temperature coefficient, and... Agent: Avago Technologies WirelessIP(singapore) Pte. Ltd.

20110266926 - Device utilizing piezoelectric element: A device using a piezoelectric element includes a layered piezoelectric element and a driven member. The layered piezoelectric element includes an active portion formed of stacked piezoelectric layers each being sandwiched between a first internal electrode layer and a second internal electrode layer, and an inactive portion (first end inactive... Agent: Ngk Insulators, Ltd.

20110266927 - Carbon nanotube based electrostrictive composite and electrostrictive element using the same: An electrostrictive composite includes two electrostrictive layers spaced with each other. The electrostrictive layers extend from a first side to a second side. The first side is spaced with and correspond to the second side. The electrostrictive layers are electrically connected with each other at the first side. The electrostrictive... Agent: Tsinghua University

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