Electrical generator or motor structure patents - Monitor Patents
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Electrical generator or motor structure August inventions list 08/12

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.
08/30/2012 > 25 patent applications in 19 patent subcategories.

20120217826 - Cooling device: A cooling device includes an inner sleeve with an outer surface, an outer sleeve surrounding the inner sleeve, and two end portions extending between the inner sleeve and the outer sleeve at the ends. The inner sleeve, the outer sleeve and the end portions define a peripheral space. A flow... Agent:

20120217825 - Vehicle drive system: A vehicle drive system includes a rotor support that is more radially inward than the stator and supports the rotor; a supply that supplies oil to the rotor support bearing, the rotor support bearing includes a discharge that discharges oil supplied from the supply, the rotor support includes an opposing... Agent: Aisin Aw Co., Ltd.

20120217827 - Electromechanical device, movable body, and robot: An electromechanical device includes at least one magnetic coil formed of an electric wire coated with a first insulating material wound a plurality of times to have a ring-like shape, and an insulating section made of a second insulating material and disposed so as to cover at least apart of... Agent: Seiko Epson Corporation

20120217849 - Apparatus for calculating rotational position of rotary machine: In a system for driving an inverter, a superimposing element superimposes, on an output voltage of the inverter. The high-frequency voltage signal is correlated with a measured high-frequency component value of a current flowing in the rotary machine. A calculating element calculates a rotational angle of the rotary machine based... Agent: Denso Corporation

20120217829 - Electric machine: Electric machine (10), in particular an alternating current generator, comprising a rotor (20) having a rotational axis (26), a stator (16) made of a stator iron (17) and a stator winding (18) inserted therein, said winding having conductor ends (228), which are interconnected with a rectifier device (139), a controller... Agent: Robert Bosch Gmbh

20120217828 - Resolver, and resolver-bearing unit including the same: A resolver-bearing unit according to the invention includes a resolver sensor that detects the rotational position of a shaft. The resolver sensor includes an annular stator disposed around a rotor; and a case that is fitted to an outer periphery of the stator, and covers the rotor and the stator.... Agent: Jtekt Corporation

20120217830 - Vehicle drive device: A vehicle drive device includes an input member coupled to an internal combustion engine; an output member coupled to a wheel; a rotating electrical machine; a fluid coupling; and a case containing at least the rotating electrical machine and the fluid coupling. The fluid coupling includes an input and an... Agent: Aisin Aw Co., Ltd.

20120217832 - Hydrodynamic bearing assembly and motor including the same: Disclosed herein are a hydrodynamic bearing assembly and a motor including the same. The hydrodynamic bearing assembly includes: a sleeve supporting a shaft; and a sleeve housing combined with the sleeve to prevent the leakage of oil; and at least one stepped part formed on at least one of the... Agent: Samsung Electro-mechanics Co., Ltd.

20120217831 - Systems and methods for improved direct drive generators: Systems and methods for improved generators are described. One embodiment includes an assembly for an axial flux generator, the assembly comprising an arc-shaped rotor section that includes a rotor support configured to rotate around an axis of a generator, and an at least one rotor element for power generation that... Agent:

20120217833 - Permanent-magnet type electric rotating machine: According to one embodiment, a permanent-magnet type electric rotating machine has a stator, a magnetizing coil, a rotor and a case. The stator has an armature coil configured to form a magnetic circuit for driving. The magnetizing coil is configured to form a magnetic circuit for magnetizing. The rotor has... Agent: Kabushiki Kaisha Toshiba

20120217834 - Brushless pm machine construction enabling low coercivity magnets: The present disclosure provides a brushless permanent magnet machine which includes an essentially circular shaped rotor, and a pair of magnets arranged in the rotor. The magnets are each U-shaped and have a thickness direction extending along a contour of the corresponding magnet between the opposite poles of the corresponding... Agent: Uqm Technologies Inc.

20120217835 - Rotational vibration exciter: Provided is an rotational vibration exciter, and more particularly to an rotational vibration exciter which can accurately generate angular vibration of a printed circuit board including a moving coil for rotational excitation and angular vibration of a rotational shaft integrated with the printed circuit board including the moving coil by... Agent: Korea Research Institute Of Standards And Science

20120217836 - Motor: To provide a motor in which a cage coil formed of a wave winding conductor wire wound in plural turns and with bent portions is inserted in an integral type stator core. The motor including a stator provided with a wave winding coil using a flat conductor and a stator... Agent: Toyota Jidosha Kabushiki Kaisha

20120217838 - Method and apparatus for producing an induction rotor: A rotor for an induction motor includes a rotor core having first and second ends and a plurality of conductor bars. Each conductor bar has a respective first end extending beyond the first end of said rotor core. Each first exposed end has a respective enclosed opening. The rotor also... Agent: Gm Global Technology Operations LLC

20120217837 - Rotor for an induction motor and method for fabricating: A method for fabricating a rotor assembly for an induction motor includes assembling a shorting end ring onto the rotor assembly which includes a steel laminate stack and a plurality of conductor bars. The shorting end ring includes a plurality of grooves aligned with corresponding portions of the conductor bars... Agent: Gm Global Technology Operations LLC

20120217839 - Squirrel-cage rotor for induction motor: A squirrel-cage rotor includes a rotor core formed having a plurality of slots, a plurality of conductor bars inserted into the slots respectively and made of copper or copper alloy, two conductor end rings joined to the plurality of conductor bars on both end faces of the rotor core and... Agent: Fanuc Corporation

20120217840 - Slip ring device and rotary electric machine using the same: A first slip ring and a second slip ring are put from both ends of a slip ring shaft, respectively, and are attached by shrink-fitting, the slip ring shaft being provided separately from a rotor shaft; the shaft diameter of a lead connecting portion is formed larger than the shaft... Agent: Mitsubishi Electric Corporation

20120217841 - 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.

20120217842 - Electrostatic operation device: An electrostatic operation device in which a variation in the amount of electric charges accumulated in an electret film caused by physical impact can be suppressed. The electrostatic operation device (electrostatic induction power generating device (1)) comprises movable electrodes (8), an electret film (5) so formed as to face the... Agent: Sanyo Electric Co., Ltd.

20120217843 - Compact micromanipulator: A compact micromanipulator system has a micromanipulator element that cause movement of a tool attached to the micromanipulator element. The micromanipulator element is attached to a support structure, which in turn is attached to a sliding base in a hinged manner to allow sliding and/or tipping of the micromanipulator element... Agent: Sensapex Oy

20120217844 - Piezoelectric actuator and piezoelectric actuator array: An aspect of a piezoelectric actuator according to the present invention comprises: a plate-like piezoelectric element (20); a sheet (30); and a movable body (50). The piezoelectric element is provided to the sheet (30) in such a manner that the upper surface of the plate-like piezoelectric element is parallel to... Agent: Ngk Insulators, Ltd.

20120217845 - Transducer: A multistage flextensional transducer includes at least one inner elongate driver member within and mechanically coupled to an inner shell that is nested within an outer shell; the inner shell comprising a pair of contact portions abutting the driver member and a pair of transmission portions on opposite sides of... Agent: Qinetiq Limited

20120217846 - Crystal device: A surface-mount type crystal device is provided, having a rectangular crystal element including an excitation part and a frame surrounding the excitation part, wherein the frame has sides respectively along a first and a second directions intersected with each other; a rectangular base, bonded to a principal plane of the... Agent: Nihon Dempa Kogyo Co., Ltd.

20120217847 - Piezoelectric actuator including double pzt piezoelectric layers with different permitivities and its manufacturing method: In a piezoelectric actuator including a lower electrode layer, a first PZT piezoelectric layer having a first specific permittivity is formed on the lower electrode layer, and a second PZT piezoelectric layer having a second specific permittivity smaller than said first specific permittivity is formed on the first PZT piezoelectric... Agent: Stanley Electric Co., Ltd.

20120217848 - End shield for an electrical machine: In an arrangement in an electrical machine, the electrical machine includes a rotor rotating around its shaft, a stator located from the rotor at an air gap, and a frame around the outer surface of the stator. A stator opening is formed in the end of the frame, and the... Agent: Abb Oy

08/23/2012 > 32 patent applications in 27 patent subcategories.

20120212080 - Permanent magnet motor: A permanent magnet motor has a rotor and a stator. The rotor has a shaft, a rotor core and commutator fixed to the shaft, and rotor windings wound about poles of the rotor core and electrically connected to the commutator. The stator has an axially extending round housing, a ring... Agent:

20120212081 - Step motor and method of manufacturing thereof: Disclosed are a step motor and a manufacturing method thereof. The step motor includes a stator having a bobbin in which a coil is received to generate a magnetic field when power is supplied, and a yoke having a plurality of yoke teeth engaged with the bobbin, a casing covering... Agent:

20120212082 - Cooling of permanent magnet electric machine: A cooling system for a sealed permanent magnet electric machine includes a fan element configured to urge an airflow across a plurality of permanent magnets of a rotor of the electric machine to remove thermal energy therefrom. A plurality of cooling channels are located in a housing of the electric... Agent: Hamilton Sundstrand Corporation

20120212083 - Cooling of permanent magnet electric machine: A cooling system for a sealed permanent magnet electric machine includes one or more flow driving devices disposed at a rotor of the electric machine configured to urge an airflow across a plurality of permanent magnets of the rotor and across a plurality of stator end turns of the electric... Agent: Hamilton Sundstrand Corporation

20120212084 - High performance power generation apparatus: A high performance power generation apparatus includes a first rotary member and a second rotary member. The first rotary member has a spindle and a rotor fastened to the spindle. The spindle has a first gear coupled thereon. The rotor has a first electromagnetic portion. The second rotary member has... Agent:

20120212085 - Axial-flux electric machine: An axial-flux electric motor includes a stator having a plurality of stator windings and a plurality of stator pole-pairs, a first rotor configured to magnetically interact with the stator in an axial direction, the first rotor is positioned on one side of the stator, having a plurality of permanent magnets... Agent: The Hong Kong Polytechnic University

20120212086 - Electric motor: In one embodiment, an electric motor. A first bracket is fixed to the first side of a stator core in an axial direction, and is fixed to first bearing housing. A second bracket is fixed to the second side of the stator core, and is fixed to second bearing housing.... Agent:

20120212087 - Bldc motor for a hairdryer: Provided is a BLDC motor for a hair dryer, which includes high strength plastic parts integrated through injection molding. Thus, the number of parts is decreased to thereby decrease manufacturing costs and the weight of the BLDC motor. Furthermore, a sirocco fan installed in the BLDC motor is directly coupled... Agent: Jmw Co., Ltd.

20120212110 - Decoupling a drive motor: The invention relates to a drive module, particularly for a fan in a motor vehicle, comprising a drive motor having a stator, at least one vibration-dampening decoupling element, and a fastening flange connected to the stator of the drive motor by the decoupling element, wherein the decoupling element is arranged... Agent: Robert Bosch Gmbh

20120212111 - Electromagnetic damper for rotating machines: Electromagnetic damper (1) for rotating machines (100) having at least a stator (103) and a rotating shaft (100); the electromagnetic damper (1) is able to damper the vibrations of the rotating machine (100) during its functioning. The damper includes windings (2) of electrically conductor material, for generating a magnetic field;... Agent: Rolls-royce PLC

20120212090 - Control circuit for an electrical drive device and electrical drive device including such a control circuit: An electrical drive device (1) comprises a control circuit (3) according to the invention, which is connected to a voltage source (5) on the input side and to an electric drive motor (4) on the output side. The control circuit (3) comprises two separate return conductors (13, 35) which are... Agent: Conti Temic Microelectronic Gmbh

20120212088 - Dynamoelectric device and method of forming the same: A dynamoelectric device comprises a plurality of armatures arranged circumferentially about an axis, sets of electrically conductive winding members that extend axially through the stack of laminates and are positioned circumferentially between each adjacent pair of the armatures, and first and second layers of end-turn members. Each of the end-turn... Agent: Innovative Energy, Inc.

20120212089 - Unit housing for motor unit: A unit housing for a motor unit includes a substantially cylindrical housing body, an end housing, and connectors. The end housing has a peripheral wall and an end wall. The connectors include bolts to connect respectively 3-phase power lines to the lead wires led from the ring-shaped stator. The peripheral... Agent: Honda Motor Co., Ltd.

20120212091 - Electric machine: An electric machine in accordance with the principles of the present invention comprises a rotor having rotor coils, a stator having stator coils, and a rotatable shaft. The rotor rotor is circular and includes at least one torque transmitter in the form of at least one bevel gear contained thereon.... Agent:

20120212092 - Rotating device having a rotor and a stator: The rotating device comprises the rotor to which the magnetic recording disk is to be mounted and a stator rotatably supporting the rotor. The stator includes: a bearing unit rotatably supporting the rotor by generating dynamic pressure in lubricant that intervenes between the rotor and the stator; and a base... Agent: Alphana Technology Co., Ltd.

20120212093 - Laminated core for a magnetic bearing and method for constructing such a laminated core: The core of a combined radial-axial magnetic bearing is stacked with coated laminations each equipped with at least one radial cut (9). These cuts (9) prevent the induction of circulating currents caused by varying axial control fluxes through the central hole of the lamination stack. Magnetic symmetry is preserved by... Agent:

20120212094 - Multistage variable reluctance motor/generator: A compact, rugged, variable reluctance, variable speed, electric motor capable of producing high torque at high electrical energy conversion efficiencies is provided. The present invention provides for a multi-stage motor design having a number of discreet rotor and stator elements on a common shaft. This configuration provided the simplest of... Agent: Sunco Investments Limited

20120212095 - Rotor, rotating electric machine, vehicle, elevator, fluid machine, and processing machine: A rotor includes first and second permanent magnets provided in each magnetic pole inside a rotor core. The rotor is configured such that when a first end of the first permanent magnet located on the outer circumferential side of the rotor core and the second permanent magnet side is located... Agent: Kabushiki Kaisha Yaskawa Denki

20120212096 - Rotary electric machine: A bobbin is mounted to a rotor such that a rotation arresting portion is housed in a space that is formed by a rotation arresting portion housing recess portion and a stepped portion so as to restrict circumferential movement, and a permanent magnet is made into a quadrangular prism that... Agent: Mitsubishi Electric Corporation

20120212097 - electromechanical generator for converting mechanical vibrational energy into electrical energy: An electromechanical generator for converting mechanical vibrational energy into electrical energy, the electromechanical generator comprising a housing, an electrically conductive coil assembly fixedly mounted in the housing, a magnetic core assembly movably mounted in the housing for linear vibrational motion along an axis, a first biasing device, mounted between the... Agent: Perpetuum Ltd.

20120212098 - Electric machine, hydraulics unit: The invention relates to an electric machine (2), comprising at least one rotor shaft (3) that is rotatably mounted in a housing (4) by means of at least one rolling body bearing (5), wherein at least one commutator (14) is arranged in a rotationally 11 fixed manner on the rotor... Agent: Robert Bosch Gmbh

20120212099 - Device for driving a piezoelectric element: The disclosed invention provides a device for driving a piezoelectric element, making it possible to make an output voltage follow a control voltage during a discharging action. A charging circuit charges a piezo element through a first node. A discharging circuit discharges electric charge charged in the piezo element through... Agent: Renesas Electronics Corporation

20120212100 - Piezoelectric vibration device having structure including self-amplification function of vibration and electric/electronic device using same as vibrating means: A piezoelectric vibrator is disclosed. A piezoelectric vibration member vibrates according to the change of polarity of applied voltage while the edge portions or a central portion shows maximum displacement with the central portion or the edge portions as an acting point of vibration, respectively. Being combined integrally with the... Agent:

20120212101 - Power-generating apparatus: A power-generating apparatus includes: a deformation member that is provided with a first piezoelectric device and deformed while switching a deformation direction; an amount of deformation detection unit that detects an amount of deformation of the deformation member; a pair of electrodes provided on the first piezoelectric device; a switch... Agent: Seiko Epson Corporation

20120212102 - Resonant transducer and ultrasonic treatment device including resonant transducer: p

20120212103 - Provision of a normal force to electromechanical motor: An electromechanical motor assembly includes a stator, a body to be moved and a stator support. The stator has a plurality of electromechanical actuators for moving the body by repetition of steps ensuring that at least one of the electromechanical actuators is in non-sliding contact with the body at every... Agent: Piezomotor Uppsala Ab

20120212104 - Vibratory actuator and drive device using the same: An ultrasonic actuator (2) includes an actuator body (4) which performs a longitudinal vibration and a bending vibration, and a driver element (8a, 8b) which is provided on one of side surfaces of the actuator body (4) which is a mounting surface (40a), and performs an orbital motion in accordance... Agent: Panasonic Corporation

20120212105 - Pieozelectric devices and methods for manufacturing the same: The purpose of the present disclosure is to provide a piezoelectric device that is less likely to be damaged during the cutting process from a wafer into individual pieces, and can be measured at the wafer without being affected by adjacent piezoelectric devices. The piezoelectric device includes: a first plate... Agent: Nihon Dempa Kogyo Co., Ltd.

20120212106 - Metal paste for sealing, hermetic sealing method for piezoelectric element, and piezoelectric device: The present invention is a metal paste for sealing comprising a metal powder and an organic solvent characterized in that the metal powder is one or more kinds of metal powders selected from a gold powder, a silver powder, a platinum powder and a palladium powder which has a purity... Agent:

20120212107 - Gt-cut quartz crystal resonator: A GT-cut crystal resonator that can be provided with a support portion having a small and simple configuration without adverse effect on vibration characteristics includes: a crystal plate formed in an elliptical shape with a major axis and a minor axis respectively corresponding to vibration directions of two longitudinal vibration... Agent: Nihon Dempa Kogyo Co., Ltd.

20120212108 - Piezoelectric actuator including x-graded tiox adhesive layer and its manufacturing method: In a piezoelectric actuator including a substrate, an insulating layer formed on the substrate, an adhesive layer formed on the insulating layer, a Pt lower electrode layer formed on the adhesive layer, and a PZT piezoelectric layer formed on the Pt lower electrode layer, the adhesive layer is made of... Agent: Stanley Electric Co., Ltd.

20120212109 - Vibrating piece manufacturing method and vibrator manufacturing method: A vibrating piece manufacturing method includes: (a) preparing a supporting body having first and second surfaces, the first and second surfaces defining a thickness while being directed toward opposite directions, the supporting body including a base and a plurality of arms, the arms extending side-by-side in a direction orthogonal to... Agent: Seiko Epson Corporation

08/16/2012 > 34 patent applications in 28 patent subcategories.

20120205992 - Transverse flux electrical motor: A transverse flux electrical motor to produce motion from an input electric current, the electrical motor comprising: a static element having a plurality of magnets arranged in at least two rows and defining a path of movement; a magnetizable movable element having at least two openings, each opening being sized... Agent:

20120205993 - Automotive rotary electric machine: A voltage regulator negative electrode terminal is mounted to an axially outer end surface of a rear bracket so as to be in a state of electrical connection with the rear bracket by fastening a flange portion to a mounting pedestal of the rear bracket using a voltage regulator fixing... Agent: Mitsubishi Electric Corporation

20120205995 - Electric generator: v

20120205996 - Electrical machine: The invention relates to an electric machine (100) comprising a stator (107) and a rotor (101), wherein the rotor (101) comprises a hollow shaft (102), wherein a closed hollow space (103) is formed by means of the hollow shaft (102), wherein the closed hollow space (103) is provided for receiving... Agent: Siemens Aktiengesellschaft

20120205994 - Flooded variable speed electric machine with variable flow: An electric machine includes a rotor, a stator, and an air gap defined by a space between the rotor and a stator. A volume of cooling fluid is located in the air gap and in contact with both the rotor and the stator. A method for cooling the electric machine... Agent: Hamilton Sundstrand Corporation

20120205998 - Generator: A generator includes a stationary stator and a rotor disposed rotatably about an axis of rotation. The stator has a fan drawing air from the ambient air around the generator, wherein the inlet channel is disposed such that air drawn in by the fan is distributed at the core of... Agent: Siemens Aktiengesellschaft

20120205997 - Self-contained & propelled magnetic alternator & wheel directdrive vertical units. aka:maw-directdrives vertical model: MAW-DirectDrives Vertical Models are direct drive propulsion and electrical generating units for transportation vehicles utilizing wheels for motion, which connect onto the inside of wheels actuating rotation and braking electromagnetically while simultaneously utilizing the rotation to generate electricity to feed back into the supply for reducing the vehicle's requirement for... Agent:

20120206023 - Method for operating a building closure: A method for operating a building closure having the shape of an overhead sectional door or of a garage door including at least one spring-loaded counterweight device and an electrical drive device is disclosed. A control unit simultaneously monitors the position of the building closure and a motor current for... Agent:

20120206024 - Servo motor manufacturing method, servo motor manufacturing apparatus, servo motor, and encoder: This disclosure discloses a servo motor manufacturing method, includes a disk position adjusting that adjusts a position of a rotating disk with respect to a shaft, in a case where said rotating disk to which at least one concentric pattern is formed around a disk center is to be fixed... Agent: Kabushiki Kaisha Yaskawa Denki

20120206025 - Alternator for vehicle: It is configured in such a manner that a convex portion (15a) provided to an inner surface of a cover (15) protecting a rectifier device (13) and a voltage regulator (14) as components forming a vehicle AC alternator is fit in a concave portion (13a) provided to a component opposing... Agent: Mitsubishi Electric Corporation

20120205999 - Electric motor having an end frame: An end frame for an electro-dynamic machine. The end frame includes a radial bearing support surface disposed concentrically about the axis and an axial bearing support surface substantially perpendicular to the axis. A base wall is substantially perpendicular to the axis. A first annular wall is disposed concentrically about the... Agent:

20120206000 - Radiator module for motor vehicle: In a radiator module for a motor vehicle, a detachable connection is required between a housing of an electric motor and a retaining structure, which connection allows economic and secure assembly and cannot be loosened or detached by alternating reaction forces at the electric motor. To achieve this, an arrangement... Agent: Magna Electronics Europe Gmbh & Co Kg

20120206001 - Magnetic field focusing for actuator applications: A switched reluctance motor includes a stator and a rotor, the stator having stator poles supporting a magnetic field focusing device such as a near field plates on each stator pole tip. An example near field plate has a spatially modulated surface reactance configured so as to focus magnetic flux... Agent: Toyota Motor Engineering & Manufacturing North America, Inc.

20120206002 - High efficiency electric motor and power cogeneration unit: A method and apparatus for reducing drag in an electric motor-power cogenerator is provided. Wound pole irons are formed around a stator having slots containing induction windings. Ends of the pole irons extend into or near the slots and are supported by a support structure that forms an opening. Other... Agent:

20120206003 - Brushless direct current (dc) electric generator with decreased electromagnetic drag: A method and apparatus for reducing drag in an electric generator are disclosed. Armature insert members are distributed along a periphery of a stator insert fit into a stator having induction windings arranged in slots. The armature insert members include permanent magnet rotors having a pair of pole sections with... Agent:

20120206004 - Dual-mode counter-rotating-to-traditional electric motor and system: Disclosed is a counter-rotating electric motor that includes an outer rotational component, an oppositely rotating inner rotational component, a force output system coupled to the outer rotational component, another force output means coupled to the inner rotational component, and an assembly for reversibly halting one of the rotational components, thereby... Agent: E-wish Technology, LLC

20120206005 - Magnet carrier for a pole housing: The invention relates to a magnet carrier (1) for a pole housing (10) for fastening magnets (111, 112) to a pole housing wall (101), wherein the magnet carrier (1) can be arranged between at least two magnets. The magnet carrier (1) comprises a positioning element (12, 22, 32, 42, 52)... Agent: Robert Bosch Gmbh

20120206006 - Rotor of an electric machine: In a rotor of an electric machine, which rotor consists of individual segments which each have a first part which is in contact with a second cooperating part wherein the first part of an individual segment and the second cooperating part of an adjacent individual segment are positively interlocked in... Agent:

20120206007 - Rotor core for rotating electrical machine, and manufacturing method thereof: A cylindrical rotor core 10 for a rotating electrical machine having magnetic steel plates integrally connected by laminating in an axial direction, and having magnet insertion holes 24, 26 formed for inserting permanent magnets inside, wherein the magnet insertion holes 24, 26 are formed extending in the axial direction in... Agent: Toyota Jidosha Kabushiki Kaisha

20120206008 - Method for manufacturing an inner rotor for a rotary electric machine: A method for manufacturing an inner rotor for a rotary electric machine, the rotor comprising a plurality of pole pieces surrounding a shaft, each pole piece being made from a stack of metal sheets (3) made of magnetic material, the pole pieces delimiting recesses between them for permanent magnets. The... Agent:

20120206009 - Stator for motor: The present invention relates to a stator for a motor having a stator core having an annular back yoke and teeth protruded annularly in a radial direction from the back yoke, a plurality of coils adapted to be wound on the teeth, and an insulator adapted to cover the stator... Agent: New Motech Co., Ltd.

20120206010 - Brush holder apparatus: A brush holder apparatus is disclosed. In one embodiment, the brush holder apparatus includes: a first support member; a second support member affixed to the first support member; a brush retainment member affixed to the first support member and extending substantially parallel with the second support member; and a cam... Agent: General Electric Company

20120206012 - Electromechanical devices and methods for fabrication of the same: A fabricated electromechanical device is disclosed herein. An exemplary device includes, a substrate, at least one layer of a high-transconductance material separated from the substrate by a dielectric medium, a first electrode in electrical contact with the at least one layer of a high-transconductance material and separated from the substrate... Agent: The Trustees Of Columbia University In The City Of New York

20120206011 - Noise and vibration mitigation system for nuclear reactors employing an acoustic side branch resonator: A method of designing/making an acoustic side branch resonator structured to be coupled to a standpipe of, for example, a nuclear power plant, wherein the acoustic side branch resonator includes a plurality of wire mesh elements for damping purposes. The method includes determining a resonant frequency of the standpipe, determining... Agent: Westinghouse Electric Company

20120206013 - Modes of operation of piezoelectric motor: A piezoelectric motor (1) including a rotor (3), a stator (2) including a piezoelectric material having axial polarization, the stator (2) including at least three pairs of electrodes (5, 6) and a common electrode on a base end face thereof, and slabs (4) affixed to the stator (2) at spacings... Agent:

20120206014 - Piezoelectric transducers using micro-dome arrays: An ultrasonic piezoelectric transducer device includes a transducer array consisting of an array of vibrating elements, and a base to which the array of vibrating elements in the transducer array are attached. The base include integrated electrical interconnects for carrying driving signals and sensed signals between the vibrating elements and... Agent: Fujifilm Dimatix, Inc.

20120206015 - Acoustic resonator structure comprising a bridge: An acoustic resonator comprises a first electrode a second electrode and a piezoelectric layer disposed between the first and second electrodes. The acoustic resonator further comprises a reflective element disposed beneath the first electrode, the second electrode and the piezoelectric layer. An overlap of the reflective element, the first electrode,... Agent: Avago Technologies WirelessIP(singapore) Pte. Ltd.

20120206017 - Method and device for energy harvesting: A device (100) harvests energy from vibration and/or strain and utilises both capacitive (102a, 102b) and piezo-electric elements (105). The principle of operation is out-of-plane capacitive harvester, where the bias voltage for the capacitive element is generated with a piezoelectric element (105). The device utilizes a thin dielectric film (104)... Agent: Vti Technologies Oy

20120206016 - Piezoelectric micromechanical energy harvesters: The present invention comprises systems, apparatuses, and methods for harvesting ambient mechanical energy at a lower frequency and transforming the harvested energy into electrical energy at a higher frequency. Transforming the energy from relatively lower input frequency energy to relatively higher output frequency energy can help realize greater efficiencies found... Agent: Georgia Tech Research Corporation

20120206018 - Resonator and oscillator: A resonator according to the embodiment includes: a substrate; a flat layered body which is formed above the substrate and is formed with at least a lower electrode, a piezoelectric film and an upper electrode; an anchor portion which fixes the layered body above the substrate; a cut-out portion inside... Agent: Kabushiki Kaisha Toshiba

20120206019 - Piezoelectric element and method for manufacturing the same: A piezoelectric element includes a substrate, and a lower electrode layer, a piezoelectric layer, and an upper electrode layer sequentially formed on the substrate. The substrate has a linear thermal expansion coefficient higher than that of the piezoelectric layer, and the piezoelectric layer includes a polycrystalline body having an in-plane... Agent: Panasonic Corporation

20120206020 - Piezoelectric device: A piezoelectric device capable of adjusting shape/position of connection electrodes is provided to accommodate a first or second oscillating plate (piezoelectric). The second oscillating plate is shorter than the first oscillating plate, each oscillating plate includes an excitation and an extraction electrodes. The extraction electrode is electrically connected with a... Agent: Nihon Dempa Kogyo Co., Ltd.

20120206021 - Ultrasound probe: Disclosed herein is an ultrasound probe including a plurality of piezoelectric elements forming a laminate, a plurality of internal electrodes formed at the lamination interface, an external electrode formed on the front or the rear surface of the laminate. The ultrasound probe includes a plurality of piezoelectric elements forming a... Agent: Samsung Electronics Co., Ltd.

20120206022 - Electric motor having an end frame: An electro-dynamic machine including a rotor shaft extending along an axis and a bearing rotatably supporting the rotor shaft for rotation about the axis. An inner housing has an outer surface and defines a bearing bore. The bearing bore receives and supports the bearing. An outer housing surrounds the inner... Agent:

08/09/2012 > 30 patent applications in 27 patent subcategories.

20120200176 - Multifunctional voice coil motor: A multifunctional voice coil motor is disclosed, the motor including a rotor including a bobbin and a plurality of magnets arranged at a periphery of the bobbin, a stator including a housing wrapping each magnet and a plurality of coil blocks each arranged at a position corresponding to that of... Agent: Lg Innotek Co., Ltd.

20120200177 - Multi-phase stator device: m

20120200178 - Linear motor actuator: Provided is a linear motor actuator capable of eliminating an influence to be exerted onto linear guides (3) due to heat generated by a coil unit (50), sufficiently securing moving accuracy and positioning accuracy of a table plate (4) supported by the linear guides (3), and in addition, maintaining the... Agent: Thk Co., Ltd.

20120200179 - Cooling structure of rotating electric machine: A cooling structure of a rotating electric machine includes a rotor core formed of a plurality of electromagnetic steel plates and a resin molding portion molding the rotor core with resin. The rotor core is provided with a through hole passing therethrough in the axial direction of the central axis... Agent: Toyota Jidosha Kabushiki Kaisha

20120200180 - Motor capable of adjusting phase difference between output signals: A motor capable of performing mechanical position adjustment of a magnetic detection unit to thereby adjust a phase difference between signals output from respective two magnetosensitive pole pieces. A rotor includes a magnet having an axial end surface magnetized to have circumferentially alternately different poles. A stator has two outer... Agent: Canon Kabushiki Kaisha

20120200181 - Power tool: A power tool includes a housing, a brushless motor, and a cover member. The housing has an air intake hole and an air exhaust hole formed therein, the housing having an inner surface. The brushless motor has an outer surface disposed in the housing, a first endface near the air... Agent:

20120200201 - Spindle motor: There is provided a spindle motor including: a base member having a sleeve housing extended upwardly therefrom; a sleeve mounted in the sleeve housing to rotatably support a shaft and having a fixing part formed on an outer circumferential surface thereof; and a stator core fixedly mounted on the fixing... Agent: Samsung Electro-mechanics Co., Ltd.

20120200202 - Detection stator, rotation detector and mounting structure thereof: A motor includes a rotary shaft and a motor housing internally housing the rotary shaft. The motor housing is provided with a mounting hole in a position corresponding to an end of the rotary shaft. A detection rotor is fixed to the end of the rotary shaft. A detection stator... Agent: Aisan Kogyo Kabushiki Kaisha

20120200203 - Electric micromotor: A miniature electric motor (1) with an outer diameter (DA) that is smaller than about 6 mm, having a hollow cylindrical stator (2) with stator coils (8) and a magnetic rotor (4) rotatably arranged around a rotational axis (16) in the stator (2) by rotor shaft (10). The stator coils... Agent: Dr. Fritz Faulhaber Gmbh & Co. Kg

20120200204 - Regulator of vehicle ac generator: A regulator of a vehicle AC generator is formed of an IC regulator of a mold package type and a regulator holder having an IC regulator mount portion. A press-fit fitting structure (140A, 230A, 140C, or 230D) is provided between an attachment plane of the IC regulator mount portion (110A)... Agent: Mitsubishi Electric Corporation

20120200205 - Conductive component and method for treating the conductive component: A conductive component and a method for treating the conductive component to modify conduction through the component are disclosed. The method includes heating the component such that annealing of an exterior layer of the component occurs without annealing of an interior layer of the component, wherein the interior layer is... Agent: General Electric Company

20120200182 - Stator core assembly and motor including the same: Disclosed herein are a stator core assembly and a motor including the same. The stator core assembly includes: a core back inserted into and combined with a stationary member; and one or more teeth parts protruding from the core back and having a coil wound therearound, wherein the coil is... Agent: Samsung Electro-mechanics Co., Ltd.

20120200183 - Bearingless machine: A rotating machine comprises a stationary subassembly, a rotating subassembly, and a first circumferential track. The stationary subassembly includes a plurality of stator elements disposed proximate an inner circumference of a portion of the stationary subassembly, and a casing having a first portal. The rotating subassembly includes a plurality of... Agent: Hamilton Sundstrand Corporation

20120200184 - Relative driving device, moving vehicle, and robot: A relative driving device includes a stator; a first rotor; and a second rotor, in which the stator includes a first electromagnetic coil and a first control unit that controls current supplied to the first electromagnetic coil, the first rotor includes a first magnet and a second magnet, the second... Agent: Seiko Epson Corporation

20120200186 - Rotor for electric rotating machine: An iron rotor core includes a first permanent magnet in an outer peripheral portion of the iron rotor core, second permanent magnets on both circumferential sides of the first permanent magnet and arranged in a generally V-shaped configuration opening radially outward, and a first region provided opposite to the first... Agent: Aisin Aw Co., Ltd.

20120200185 - Rotor for rotary electric machine and manufacturing method thereof: A rotor for a rotary electric machine includes a plurality of magnetic poles disposed at intervals in a circumferential direction, on an outer periphery of a rotor core that is a steel sheet stack that has a shaft hole in a central portion thereof configured so that a shaft is... Agent: Toyota Jidosha Kabushiki Kaisha

20120200187 - Rotor for rotary electric machine: A rotor for a rotary electric machine has a plurality of magnetic poles provided at intervals in a circumferential direction of a rotor core, at an outer periphery of the rotor core. Each of the magnetic poles includes a central magnet, a pair of circumferential-direction magnets disposed on both sides... Agent: Toyota Jidosha Kabushiki Kaisha

20120200188 - Rotor for rotary electric machine: A plurality of magnetic poles are disposed at intervals, in a circumferential direction, at an outer periphery of a rotor core. Each magnetic pole has a pair of permanent magnets disposed spaced apart from each other in the circumferential direction, and a magnetic flux suppression hole that suppresses flow of... Agent: Toyota Jidosha Kabushiki Kaisha

20120200189 - Rotating electrical machine: A rotating electrical machine includes a rotor core, a stator core, and at least one permanent magnet. The rotor core has an inner circumference portion and an outer circumference portion. The stator core is opposed to the outer circumference portion of the rotor core. The at least one permanent magnet... Agent: Kabushiki Kaisha Yaskawa Denki

20120200190 - Coil end structure of rotating electric machine: The present invention provides a coil end structure of a rotating electric machine which is able to miniaturize the coil end structure without having an insulation coating of a flat wire being affected. A coil segment 4 is composed of a plurality of flat wires. A surface of each flat... Agent: Honda Motor Co., Ltd.

20120200191 - Coil, stator, and method for manufacturing coil: A coil including a first winding portion and a second winding portion arranged on a stator of a rotary electrical machine. The first winding portion is formed by edgewise-winding a conductive rectangular wire. The second winding portion is formed by edgewise-winding a conductive rectangular wire, which is connected to the... Agent: Kabushiki Kaisha Toyota Jidoshokki

20120200192 - Three - phase asynchronous engine (variants): The invention concerns the electric asynchronous engines including a rotor as a flat disc, and a stator, which is coaxial to the rotor, and is installed with a working backlash relative to the rotor's disk. The stator includes three laminated packages of cores with phase coils, which are situated around... Agent:

20120200193 - Rotor for rotary electric machine: In a rotor for a rotary electric machine, a plurality of magnetic poles are provided in a radially outer portion of the rotor iron core, at intervals in the circumferential direction. Each magnetic pole includes a pair of permanent magnets disposed apart from each other in the circumferential direction, and... Agent: Aisin Aw Co., Ltd.

20120200194 - Slip-ring arrangement for a rotating electrical machine: A slip-ring arrangement of a rotating electrical machine includes a plurality of slip-rings disposed concentrically about an axis of the electrical machine one behind the other in an axial direction, the plurality of slip-rings configured to be self-supporting.... Agent: Alstom Hydro France

20120200195 - Acoustic wave device: An acoustic wave device includes a main resonator and a sub resonator each having a substrate, a lower electrode provided on the substrate, a piezoelectric film provided on the lower electrode, and an upper electrode provided on an upper side of the piezoelectric film. The sub resonator has a mass... Agent: Taiyo Yuden Co., Ltd.

20120200196 - Ultrasonic image display apparatus power circuit and ultrasonic image display apparatus: An ultrasonic image display apparatus power circuit is provided. The power circuit includes a high-voltage fixed power supply portion configured to boost a voltage of a low-voltage power supply and generate positive and negative voltages, a bias voltage output portion connected to the high-voltage fixed power supply portion and configured... Agent:

20120200197 - Oscillation motor and lens driving mechanism: An oscillation motor is provided in which the influence of vibration on other components by avoiding generation of noise in operation is reduced. The oscillation motor that makes an oscillator vibrate and transmits the vibration generated in the oscillator as a driving force by bringing the oscillator into pressure-contact with... Agent: Tamron Co., Ltd.

20120200199 - Piezoelectric thin-film resonator: A piezoelectric thin-film resonator includes a substrate, a lower electrode provided on the substrate, a piezoelectric film provided on the substrate and the lower electrode, an upper electrode provided on the piezoelectric film, and an additional pattern, a cavity being formed between the lower electrode and the substrate in a... Agent: Taiyo Yuden Co., Ltd.

20120200198 - Surface-mount piezoelectric device: The present invention provides piezoelectric surface mount devices in which the area of the mounting terminals is reduced, leading to reduction of manufacturing cost. A piezoelectric device comprises a package base (120) including a bottom surface having a long edge and a short edge and a pair of mounting terminals... Agent: Nihon Dempa Kogyo Co., Ltd.

20120200200 - Method of manufacturing polymer electrode and polymer actuator employing the polymer electrode: A method of manufacturing a polymer electrode and a polymer actuator employing the polymer electrode, the method including: adhering a shadow mask onto a substrate, forming a hydrophilic electrode pattern on the substrate, coating the hydrophilic electrode pattern of the substrate with a conductive polymer water solution, removing the shadow... Agent: Samsung Electronics Co., Ltd.

08/02/2012 > 35 patent applications in 29 patent subcategories.

20120194006 - Linear motor system: A linear motor system is provided includes a coil assembly, a magnet assembly, and a bearing assembly disposed between the coil and magnet assemblies to allow movement of one or both of them. The bearing assembly includes a single bearing rail that can be mounted on either side of the... Agent: Anorad Corporation

20120194007 - Linear motor mover with heat dissipation unit: A linear motor mover with heat dissipation unit includes: a base seat; a mover having several coils sequentially upright arranged with first ends of the coils disposed in the base seat; a heat dissipation unit having a hollow and substantially slat-shaped cooling section, one face of the cooling section being... Agent:

20120194008 - Vibration energy generator: A vibration energy generator includes a case, a coil, a permanent magnet, and a shield magnet. The case is elongated in one direction and is made from a nonmagnetic material. The coil surrounds around an outer surface of the case. The permanent magnet reciprocates inside the case along the one... Agent: Brother Kogyo Kabushiki Kaisha

20120194009 - Motor and motor assembling method: A motor assembling method is disclosed. The motor assembling method provides a base with a shaft tube, wherein the shaft tube has a thermoplastic positioning portion on an opening end thereof, and a shaft tube assembly is disposed into the shaft tube via the opening end. The motor assembling method... Agent:

20120194010 - Motor and motor assembling method: A motor assembling method is disclosed. The motor assembling method provides a base with a shaft tube, wherein the shaft tube has a thermoplastic positioning portion on an opening end thereof, and a shaft tube assembly is disposed into the shaft tube via the opening end. The motor assembling method... Agent:

20120194011 - Rotor assembly: A rotor assembly including a rotating shaft, a rotor core, a permanent magnet, a magnetic ring support, and a magnetic ring. The permanent magnet is mounted on the outer side surface of the rotor core. The magnetic ring is nested on the magnetic ring support, and the magnetic ring support... Agent: Zhongshan Broad-ocean Motor Manufacturing Co., Ltd .

20120194012 - Electric machine cooling system and method: Some embodiments of the invention provide an electric machine module comprising an electric machine including a rotor assembly and a rotor hub. In some embodiments, the module can include a output shaft substantially circumscribed by the rotor hub and including at least one channel and at least one coolant outlet.... Agent: Remy Technologies, LLC

20120194013 - Rotating electrical machine: A rotating electrical machine according to an embodiment includes a rotor rotatable around a rotation axis, a stator arranged to face the rotor, and a frame which accommodates the rotor and the stator and in which a refrigerant flow path is formed in a sidewall. The frame includes a through... Agent: Kabushiki Kaisha Yaskawa Denki

20120194015 - Cooling arrangement for a magnetic gearbox: This invention relates to a magnetic gearbox, comprising: an inner rotor having a first plurality of magnetic flux sources; an outer rotor having a second plurality of magnetic flux sources; and, a modulator having a plurality of pole pieces positioned between the first and second magnetic flux sources and separated... Agent: Rolls-royce PLC

20120194014 - System and method for increasing airflow in electric machines: An air-cooled electric machine, such as an alternating current motor, having a housing containing a rotating shaft and a housing airflow cooling path has cooling vents on the housing periphery. An external cooling system having a duct enclosure is coupled to the housing exterior, and defines a duct airflow cooling... Agent: Siemens Industry, Inc.

20120194040 - High torque density and low torque ripple actuator system: A permanent magnet electric machine drive system that includes a plurality of magnets for generating a first magnetic field and a stator is disposed radially outward from the plurality of magnets for generating a magnetic field. The stator includes a plurality of stator poles separated by slots with each respective... Agent: Gm Global Technology Operations LLC

20120194016 - Phase ring assembly: The phase ring assembly includes a support ring carrying a plurality of phase rings provided with connection arms that are bent to the phase rings. The connection arms are placed between the phase rings and the support ring. The support ring has recessed seats housing the connection arms.... Agent: Alstom Technology Ltd

20120194017 - Reversing device for motor: A reversing device for a motor. The motor includes a motor body. The reversing device includes a wired socket and a reversing plug. The wired socket is mounted on the motor body and the reversing plug is inserted in the wired socket. The device is simple, safe, reliable, and practical.... Agent: Zhongshan Broad-ocean Motor Manufacturing Co.,ltd.

20120194018 - Rotating electrical machine and rotating apparatus: This disclosure discloses a rotating electrical machine that is integrally formed with a reduction device having an input shaft and an output shaft and employs one of a field system and an armature as a rotor and the other of the field system and the armature as a stator, including... Agent: Kabushiki Kaisha Yaskawa Denki

20120194019 - Dynamically induced and reactive magnetic hysteresis applications and methods: A dynamically induced magnetic hysteresis apparatus is described which allows for levitation and adjustable power coupling without direct mechanical attachment or linking. Adjustment of spatial and penetration gaps are adjusted to vary the ratio of rotation... Agent: Magnetic Force Corp.

20120194020 - Motor: A brush holder is provided in a metal yoke. The brush holder holds feeder brushes for supplying power to a commutator. The commutator and the feeder brushes are arranged outside the yoke housing as seen in a direction orthogonal to the axis of the yoke. As seen in the axial... Agent:

20120194021 - Magnetic gear: A magnetic gear comprises a first permanent magnet field having a plurality of permanent magnet magnetic poles, a second permanent magnet field having a plurality of permanent magnet magnetic poles, number of poles of which magnet is different from that of the first permanent magnet field, and a modulating magnetic... Agent:

20120194022 - Electric motor: An electric motor has a stator and a rotor rotatably installed in the stator. The stator includes a housing, a plurality of magnets installed at an inner surface of the housing, a brush card installed inside of the housing, brushes mounted on the brush card, lead wires for connecting to... Agent:

20120194023 - Electric motor: An electric motor includes a stator and a rotor rotatably installed in the stator. The stator has a housing and a plurality of permanent magnets. The outer diameter of the housing is less than 40 mm and the ratio of the maximum thickness of the magnets in the radial direction... Agent:

20120194024 - Brushless dc motor: A brushless DC motor includes a plurality of permanent magnet segments arranged on an outer circumferential surface of a yoke member. Each of the permanent magnet segments includes a thinnest portion positioned in a circumferential center portion of each of the permanent magnet segments, thickest portions positioned in circumferential opposite... Agent: Nidec Techno Motor Holdings Corporation

20120194025 - Permanent magnet, motor rotor or stator, rotary electric machine: A permanent magnet includes two or more separate permanent magnet pieces each having a rectangular parallelepiped shape with a fractured surface formed when a permanent magnet block is fractured. The separate permanent magnet pieces include a first separate permanent magnet piece and a second separate permanent magnet piece. At the... Agent: Toyota Jidosha Kabushiki Kaisha

20120194026 - Permanent magnet type rotating electrical machine: A permanent magnet type rotating electrical machine includes a rotor having a rotor core. Magnet holes circumferentially arranged at regular intervals in the rotor core include pairs of first magnet holes and pairs of second magnet holes. Each pair of first magnet holes are symmetric with respect to an imaginary... Agent:

20120194027 - Method for increasing the operating efficiency of asynchronous short-circuited electric machines and asynchronous short-circuited electric machines (variants): The invention pertains to the field of power generation and can be used in electromechanical energy conversion systems, in particular in asynchronous short-circuited machines. The essence of the proposed invention is that the action of a rotating electromagnetic field of a stator on the short-circuited turns of a rotor winding... Agent: Joint Stock Company "technology Smp"

20120194028 - Insulation assembly for electric machine: An insulation assembly is provided that includes a generally annularly-shaped main body and at least two spaced-apart fingers extending radially inwards from the main body. The spaced-apart fingers define a gap between the fingers. A slot liner may be inserted within the gap. The main body may include a plurality... Agent:

20120194029 - Carbon commutator and a method for production thereof: A segment of a carbon commutator includes a carbon layer on a surface side and a metallic carbon layer on a bottom side, and the carbon layer and the metallic carbon layer both contain a thermoplastic resin binder.... Agent: Tris Inc.

20120194030 - Force balanced multivoltage winding configuration: A stator arrangement for a balanced multiple voltage device operable as an electric motor, a generator, or a motor-generator includes a plurality of arc sectors configured so as to surround a rotor of the device. Each of the arc sectors includes a set of stator windings with at least one... Agent: Kollmorgen Corporation

20120194031 - Laminated ceramic electronic component and manufacturing method therefor: In a method of forming an external electrode by growing plated depositions on exposed ends of a plurality of internal electrodes in a component main body, the component main body is polished to increase exposure of the internal electrodes. To prevent decreased external electrode fixing strength, a radius of curvature... Agent: Murata Manufacturing Co., Ltd.

20120194032 - Surface acoustic wave device: An inexpensive surface acoustic wave device that increases an acoustic velocity of a surface acoustic wave and an electromechanical coupling coefficient includes a piezoelectric substrate in which a LiNbO3 single-crystal plate having Euler angles (0°, 67° to 160°, −5° to +5°) or (90°, 51° to 133°, −5° to +5°) is... Agent: Murata Manufacturing Co., Ltd.

20120194033 - Acoustic wave device and method for fabricating the same: An acoustic wave device includes a piezoelectric substrate, interdigitated electrodes formed on the piezoelectric substrate, and an insulation film that is formed on a surface of the interdigitated electrodes by atomic layer deposition and includes aluminum oxide.... Agent: Taiyo Yuden Co., Ltd.

20120194034 - Piezoelectric device: A piezoelectric device includes first and second piezoelectric resonators each including a piezoelectric thin film, an upper electrode provided on one main surface of the piezoelectric thin film, and a lower electrode provided on another main surface of the piezoelectric thin film. In the piezoelectric resonators, portions in which the... Agent: Murata Manufacturing Co., Ltd.

20120194035 - Conductive adhesive bond assembly and system for the same: An arrangement consisting of a piezoactuator and a printed circuit board that are connected by at least one adhesive connection, with at least one electrical connection created by an electrically conductive adhesive between a first connection contact on the printed circuit board and between a second connection contact on the... Agent: Vega Grieshaber Kg

20120194036 - Low frequency oscillator, the omni-directional type low frequency underwater acoustic transducer using the same and the cylindrical radiation type low frequency underwater acoustic transducer using the same: A low frequency oscillator includes a plurality of drum-shaped oscillators. Each of the drum-shaped oscillators is constructed so that a pair of disk-shaped flexural vibrators is attached on both open ends of a conductive cylinder so as to be arranged face to face. And a conductive elongated coupling member is... Agent:

20120194037 - Apparatus and method for harvesting electrical energy from mechanical motion: A method and apparatus for harvesting energy comprising determining an electrical impedance of a piezoelectric stack, connecting an electrical load to the piezoelectric stack wherein the piezoelectric stack is housed in a mechanical amplifier comprising a fixed supporting member, a movable supporting member connected to compliant links attached to at... Agent: Viking At, LLC

20120194038 - Electrode of a piezo film ultrasonic transducer: A piezo film ultrasonic transducer has a piezo film including first and second opposing surfaces and a working portion and a lead-out portion. A first plated metal electrode layer is on the first surface of the working portion and the lead-out portion of the piezo film; a first conductive layer... Agent: Measurement Specialities (china) Ltd.

20120194039 - Electromagnetic converter with a polymer element based on a mixture of polyisocyanate and isocyanate-functional prepolymer and a compound with at least two isocyanate reactive hydroxyl groups: The present invention relates to an electromechanical converter, in particular an electromechanical sensor, actuator and/or generator, which comprises a polymer element obtainable from a reaction mixture comprising a polyisocyanate, a polyisocyanate prepolymer and a compound having at least two isocyanate-reactive hydroxy groups. The present invention additionally relates to a process... Agent: Bayer Materialscience Ag

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