Electrical generator or motor structure inventions 12/06

20060290211 - Cartesian positioning system: A positioning system, a robot that employs the positioning system and a method of assembling the robot. The positioning system typically includes a stator and a linear variable reluctance motor that moves along the stator, wherein the stator, besides having an electromagnetic purpose, also acts as the sole structural beam... Agent: Schmeiser, Olsen & Watts

20060290212 - Linear actuator capable of easily linearly moving a movable portion with respect to a fixed portion: Upper and lower leaf springs linear-movably support a sub movable portion with respect to a sub fixed portion. Each of the upper and lower leaf springs has a substantially symmetrical shape, which is symmetric with respect to a center portion thereof, so as to be mounted on the sub fixed... Agent: Frishauf, Holtz, Goodman & Chick, PC

20060290213 - Power tool: It is an object of the invention to provide an effective technique for making compact power tool having an electric motor. A representative power tool may include a tool bit, housing and an electric motor. The electric motor is housed in the housing and drives the tool bit. The electric... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20060290214 - Dynamo electric machine with a brushless exciter: The invention relates to a dynamo electric machine with a brushless exciter which comprises an exciter rotor driven by the rotor of the dynamo electric machine, and an exciter stator interacting with the exciter rotor. The design of the machine with respect to cooling is facilitated by cooling the exciter... Agent: Buchanan, Ingersoll & Rooney PC

20060290215 - Method to increase actuator torque: The invention provides an electric motor assembly having an electric motor with a first end and a second end spaced from the first end. The electric motor also includes a motor shaft extending along a first axis between a first tip cantilevered from the second end and a second tip... Agent: Delphi Technologies, Inc.

20060290216 - Segmented switched reluctance electric machine with interdigitated disk-type rotor and stator construction: The present invention relates to a a unipolar current electrical machine operable as a switched reluctance motor, comprising a motor structure and a control unit. The motor structure comprises a plurality of disk-shaped annular stator elements stacked and spaced equidistantly from each other and mounted on a frame; a plurality... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20060290217 - Positionretention device: A position retention device includes a pivot member having a mounting axle, a cylindrical seat, a cylindrical housing and an annular member. A cylindrical seat is mounted co-axially on the mounting axle of the pivot member, and has pluralities of circumferentially formed and alternately disposed north and south pole sectors.... Agent: Birch Stewart Kolasch & Birch

20060290218 - Inner magnet of a magnetic coupling: An inner magnet assembly for a rotary magnetic coupling, the inner magnet assembly having an inner ring body with magnet guides, magnets and an overlying sleeve.... Agent: Hanley, Flight & Zimmerman, LLC

20060290219 - Electric machine with permanent magnetic rotor: An electric motor (10) comprises a stator (20) having a primary winding and a rotor (130a,b) arranged to rotate in the stator (20). The rotor comprises a shaft (160), a first magnetic rotor component (140) and a second magnetic rotor component (150), each magnetic rotor component (140,150) having a magnetic... Agent: Jordan And Hamburg LLP

20060290220 - Brushless permanent magnet machine with axial modules of rotor magnetization skew and method of producing the same: An electrical machine having a machine output rating. The electrical machine including a shaft rotatable about an electrical machine axis, a rotor coupled to the shaft and rotating with the shaft, and a stator including a stator core. The rotor is configurable to include a first rotor portion having a... Agent: Michael Best & Friedrich, LLP

20060290221 - Improvements for high strength undiffused brushless machine and method: A method and apparatus in which a rotor (11) and a stator (17) define a radial air gap (20) for receiving AC flux and at least one DC excitation coil (23, 24) positioned near the stator end turn to produce DC flux in axial air gaps (21, 22) additive to... Agent: Ut-battelle, LLC Office Of Intellectual Property

20060290222 - Motor rotor: A motor rotor includes a rotor body, a shaft and a plurality of magnetic elements. The rotor body has a plurality of accommodating portions radially arranged around an axis of the rotor body. The shaft is disposed in the axis of the rotor body. The magnetic elements are respectively disposed... Agent: Birch Stewart Kolasch & Birch

20060290223 - External rotor drive: A rotary body for a printing press, comprising a stator and a rotor, which can be rotated in relation to the stator and equipped with at least one permanent magnet. At least one stator winding is provided in the stator in such a way that a torque, which acts on... Agent: Ratnerprestia

20060290224 - Generator of electrical energy: The field separator is made up of an iron disk, that is, of ferromagnetic material. Near its periphery, a series of four or more windows (5.1) has been made, allowing the poles of the permanent magnets to interact directly. The distance between each permanent magnet and the separator disk is... Agent: Faustino Sabater Perez

20060290225 - Rotary electrical machine having loss reduction means: In a rotary electrical machine, the stator is subject to eddy currents, causing losses. These losses are reduced by extending the path of the eddy currents whilst avoiding causing saturation. The invention therefore proposes to form recessed zones or slots (2) in the teeth (1) of the stator whose depth... Agent: Berenato, White & Stavish Suite 240

20060290227 - Circular coil accessory coiling stand: A circular coil accessory coiling stand includes two insulating covers and a wire end stator designed as independent components. The wire end stator is detachably installed onto an external surface of the insulating cover, so that the wire end stator can serve as a fixture for the starting wire of... Agent: Birch Stewart Kolasch & Birch

20060290226 - Stepping motor and method of manufacturing the same: An object of the present invention is to provide a stepping motor capable of reducing the number of components and the number of assembling steps, and its manufacturing method. In order to achieve the object, a stepping motor (1) according to the present invention is constructed to include a bobbin... Agent: Wenderoth, Lind & Ponack, L.L.P.

20060290228 - Compact disk device and disk drive: A disk device has a small size, a small thickness, a high efficiency, a small degree of vibration and a small level of noise. In one embodiment, the disk device comprises a disk for storing information and a disk drive for driving the disk. The disk drive includes a rotor... Agent: Townsend And Townsend And Crew LLP

20060290230 - Pump motor: A rotor is accommodated in a yoke housing. Six magnets are arranged at equal intervals in the circumferential direction on the inner circumferential surface of the yoke housing so as to face the rotor. The core is generally cylindrical and includes an annular portion at an anti-output side and a... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20060290229 - Small generator with collective multiple magnetic poles: A small generator with collective multiple magnetic poles includes a magnet, multiple magnetic poles arranged in an annular shape and facing to the magnet, an annular iron core having its outer circumference combined with the multiple magnetic poles spaced apart and equidistantly. The iron core forms magnetic circuits for the... Agent: Troxell Law Office PLLC

20060290231 - Small generator with collective multiple magnetic poles (2): A small generator with collective multiple magnetic poles includes a magnet member, multiple magnetic poles arranged in an annular shape and facing to the magnet member, a iron core having its circumference connected with the multiple magnetic poles as integral, and multiple sheet-shaped coils respectively fitted on the magnetic poles.... Agent: Troxell Law Office PLLC

20060290232 - Alternating-current dynamoelectric machine: An alternating-current dynamoelectric machine according to the present invention includes: a stator including: a stator core in which slots that extend in an axial direction are formed on an inner side; and a stator winding that is mounted to the stator core by winding conducting wires into the slots; and... Agent: Sughrue Mion, PLLC

20060290233 - Surface acoustic wave device: A surface acoustic wave device includes a piezoelectric substrate made of LiTaO3 or LiNbO3 having an electromechanical coefficient of about 15% or more, at least one electrode which is disposed on the piezoelectric substrate and which is a laminate film having a metal layer defining a primary metal layer primarily... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20060290234 - Driving method for ultrasonic motor and apparatus using the same: A method for driving an ultrasonic motor includes the step of applying a driving alternating signal to an ultrasonic vibrator to simultaneously generate two different vibration modes in the ultrasonic vibrator to cause a substantially elliptical vibration at friction-contact members of the ultrasonic vibrator, thus relatively moving the ultrasonic vibrator... Agent: Thomas Spinelli Scully, Scott, Murphy & Presser

20060290235 - Uniform cavitation for particle removal: Systems and methods for promoting a substantially uniform cavitation field. With system (100) including a diaphragm (109) dividing a container (103), a second energy pulse corresponding to a first energy pulse arising from collapse of a cavity C is produced and is used to determine whether to adjust a corresponding... Agent: Schneck & Schneck

20060290236 - Semiconductor device using piezoelectric actuator formed by use of mems technique: A semiconductor device includes beam portions and piezoelectric portions. Each of the beam portions is formed to extend in a first direction with one end fixed at a substrate by use of a supporting member and warped by residual stress with the supporting member set as a starting point. Each... Agent: Foley And Lardner LLP Suite 500

20060290237 - Electrostrictive compound actuator: The present invention presents a system for a compound actuator. The system includes first and second electrode layers each including two electrode sections, an intermediate electrode layer between the first and second electrode layers, and first and second electrostrictive materials that change length in an applied electrical field. The first... Agent: Lee & Hayes, PLLC

20060290238 - Electronic part having high sealing performance and method of manufacturing the same: In order to increase sealing performance of an electronic part, a base substrate 11A on which a predetermined circuit pattern is formed, a mounting substrate 12A which faces the base surface 11A, an adhesive layer 17 which bonds the base substrate 11A with the mounting substrate 12A, and a sealing... Agent: Beyer Weaver & Thomas, LLP

20060290239 - Piezooscillator: A piezooscillator having a piezoelectric vibrator and an oscillation circuit in a space surrounded by a substrate and a cover, which has a smaller size and height, and further, which can be assembled easily and suppress power consumption, is provided. The piezooscillator includes a recessed portion formed on the surface... Agent: Jordan And Hamburg LLP

20060290240 - Piezoelectric/electrostrictive porcelain composition, piezoelectric/electrostrictive body, and piezoelectric/electrostrictive film type device: There is disclosed a piezoelectric/electrostrictive porcelain composition capable of constituting a bulk-like or film-like piezoelectric/electrostrictive body which is dense and which has a large strain or displacement. A piezoelectric/electrostrictive porcelain composition contains: a PbMg1/3Nb2/3O3—PbTiO3—PbZrO3 ternary solid solution system composition as a main component; and 0.05 to 3.0 mass % of... Agent: Burr & Brown

20060290241 - Electroactive polymer animated devices: The present invention relates to animated devices that include one or more electroactive polymer transducers. When actuated by electrical energy, an electroactive polymer produces mechanical deflection in one or more directions. This deflection may be used to produce motion of a feature included in an animated device. Electroactive polymer transducers... Agent: Beyer Weaver & Thomas, LLP

20060284495 - Stage apparatus and image movement correction apparatus for camera using stage apparatus: A stage apparatus includes a stationary support plate; a stage member provided on the stationary support plate so as to move on a reference plane parallel with the stationary support plate; Y-direction magnetic flux generating devices secured to one of the stationary support plate and the stage member; and Y-direction... Agent: Greenblum & Bernstein, P.L.C

20060284496 - Driving apparatus: A driving apparatus includes a stepping motor having a lead screw, a rack, and a rack-retaining bar, a barrel, a barrel-retaining bar, and a connecting spring for connecting the rack to the barrel. The connecting spring includes an engaging portion that engages with a spherical output member of the rack.... Agent: Canon U.s.a. Inc. Intellectual Property Division

20060284497 - Disk driving apparatus: A magnet disposed on the top face of an extended part of a bearing holding member has a semicircle shape as the maximum shaper and is disposed in the same direction as the movement direction of a disk dray in the circumferential direction. By the pulling force in the axial... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20060284498 - Motor with integrated drive unit and shared cooling fan: An integrated motor and drive assembly includes a motor, a fan, and a drive unit. The motor is responsive to at least one drive signal. The fan is axially aligned with the motor and operable to generate a cooling flow. The drive unit is axially aligned with the fan and... Agent: Susan M. Donahue Rockwell Automation, Inc.

20060284499 - Rotating rectifier module: A rotating rectifier module for rectifying a multiphase alternating current signal provided by a multiphase alternating current power supply includes a housing, a circuit board, a plurality of input terminals, a first output terminal, a second output terminal, and a plurality of rectifier circuits. The housing has an outer surface,... Agent: Kinney & Lange, P.A.

20060284500 - Motor having reverse rotation preventing unit: A motor having a reverse-rotation preventing unit, comprises: a casing; a stator fixedly-coupled to an inside of the casing; a primary rotor rotatably inserted into the stator; a motor shaft coupled to the primary rotor; a secondary rotor having a permanent magnet and rotatably inserted into an air gap between... Agent: Greenblum & Bernstein, P.L.C

20060284501 - Vibration motor: A vibration motor able to greatly suppress lateral shaking of conduction terminals, provided with a pair of motor power parts provided at an end cap closing an open end of a motor case, a pair of plate-shaped conduction terminals including contact faces for abutting against elastically retractable power contacts provided... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20060284502 - Motor: A motor includes a stator formed of a stack of silicon steel sheet members and a winding holder mounted inside the stack of silicon steel sheet members, axles inserted through the stator in four corners, front and back covers respectively covered on the front and back sides of the stator... Agent: Rosenberg, Klein & Lee

20060284503 - Oil retaining and lubricating structure of a fan: An oil retaining and lubricating structure of an electric fan is disclosed to include a hub having a center barrel and a receiving chamber defined in the center barrel, a shaft rotatably mounted in the center barrel of the hub, an axle bearing mounted in the receiving chamber to support... Agent: Global Win Technology Co., Ltd.

20060284504 - Single thrust magnetically biased fully recirculating self purging fluid dynamic bearing motor: A fluid dynamic bearing motor features a stationary assembly, a rotating assembly supported on the stationary assembly, a fluid dynamic bearing system in a gap between the stationary and rotating assemblies, a radial capillary seal defined proximate a first end of the journal gap, and at least one re-circulation hole... Agent: Seagate Technology C/o Mofo Sf

20060284505 - Induction motor: An induction motor comprising a stator including main winding coils and sub winding coils wound in a stator core, respectively, the main winding coil having a volume greater than that of the sub winding coil, a primary rotor rotatably inserted in the stator, and a secondary rotor rotatably inserted in... Agent: Greenblum & Bernstein, P.L.C

20060284506 - Rotor of motor and manufacturing method thereof: A rotor of a motor includes a cylindrical magnet having at least one first coupling portion at an inner circumferential surface of the cylindrical magnet; and a rotor core coupled with the cylindrical magnet, the rotor core having at least one second coupling portion at an outer circumferential surface of... Agent: Birch Stewart Kolasch & Birch

20060284507 - Axial air gap-type electric motor: A rotor 31 has permanent magnets 31a disposed on a surface of a disk-shaped back yoke 31b in such a manner that long sides of each permanent magnet extend in a radial direction and that a South pole and a North pole of the permanent magnet 31a are arranged in... Agent: Venable LLP

20060284508 - Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine: A magnetic gap is provided between a permanent magnet of a rotor and an auxiliary magnet pole portion which is arranged adjacent to the permanent magnet in a peripheral direction. A gradual change in a magnetic flux density distribution of a surface of the rotor is obtained and a cogging... Agent: Crowell & Moring LLP Intellectual Property Group

20060284509 - Induction motor: An induction motor includes: a stator in which a plurality of winding coils wound in a central direction of a stator core are arranged; an induction rotor rotatably inserted into the stator; and a synchronous rotor including a magnet and rotatably inserted into an air gap between the stator and... Agent: Greenblum & Bernstein, P.L.C

20060284510 - Polyphase electricturning machine such as an alternator or an alterno-starter, particular for a motor vehicle: A polyphase electric turning machine such as an alternator or an alterno-starter, particularly for a motor vehicle. The machine comprises a stator surrounding a rotor inside a case; the stator comprises a three-phase star-shaped winding and a triangular three-phase winding whose outputs are connected to rectifier bridges which are parallel... Agent: Berenato White Stavish

20060284511 - Enhanced electrical machine cooling: In one embodiment, the present technique relates to a motor having enhanced cooling. The exemplary motor includes a stator core that is formed of a plurality of stator laminations and that is, at least partially, a peripheral surface of the motor. Each stator lamination has a plurality of fins that... Agent: Rockwell Automation, Inc./(fy)

20060284512 - Flux barrier type synchronous reluctance motor and rotor thereof: A rotor of a flux barrier type synchronous reluctance motor comprises: a rotation shaft; a rotor core formed as a plurality of steel plates are laminated to one another, the steel plate having a shaft hole for inserting the rotation shaft, a plurality of flux barrier groups spaced from one... Agent: Greenblum & Bernstein, P.L.C

20060284513 - Electric motor stator: Devices and methods are provided for a motor stator. One embodiment for a stator includes a frame for stator windings that includes a hub, spacing members, a rim and posts for receiving and positioning windings of a stator coil. A thermoset material is supplied to the stator to encapsulate the... Agent: Brooks & Cameron, PLLC

20060284514 - Actuator having vertical comb electrode structure: An actuator having a vertical comb electrode structure is provided. The actuator includes: a stage seesawing in a first direction; a support unit supporting the seesawing motion of the stage; and a stage driving unit including vertical driving comb electrodes extending outward from opposite sides of the stage in the... Agent: Buchanan, Ingersoll & Rooney PC

20060284515 - Ultrasonic sensor device and ultrasonic transducer: An ultrasonic sensor device includes an ultrasonic transducer and a hollow case. The ultrasonic transducer includes a tubular housing having a bottom, a piezoelectric element and a vibrating surface. The piezoelectric element is fixed to an inner surface of the bottom of the tubular housing. The vibrating surface is an... Agent: Nixon & Vanderhye, PC

20060284516 - Microphone and a method of manufacturing a microphone: A microphone that may identify the direction along which acoustic waves propagate with one diaphragm, and which has superior durability is provided. The microphone comprises a circular diaphragm. The diaphragm is supported at the center portion thereof. When the diaphragm receives acoustic waves, each position around the center thereof will... Agent: Oliff & Berridge, PLC

20060284517 - Piezoelectric thin film vibrator and fabrication method thereof, driving apparatus and piezoelectric motor using the same: The invention relates to a piezoelectric thin film vibrator having a piezoelectric device formed by using thin film formation technology, a fabrication method thereof, a driving apparatus and a piezoelectric motor using the same, and an object is to provide a piezoelectric thin film vibrator which can provide an excellent... Agent: Oliff & Berridge, PLC

20060284518 - Vibrating debris remover: This invention relates to a device which may be permanently attached or removably attached to a material, such as a vehicular glass window. This device may comprise of a converter sub-unit or vibrator and a coupler. These elements may be arranged to propagate mechanical motion generated by the converter sub-unit... Agent: Hahn Loeser & Parks, LLP

20060284519 - Sound-electricity conversion device, array-type ultrasonic transducer, and ultrasonic diagnostic apparatus: The present invention aims to stabilize sound-electricity conversion characteristics of a diaphragm-type sound-electricity conversion device as well as to decrease the noise level of an ultrasonic diagnostic apparatus using the sound-electricity conversion device. The sound-electricity conversion device is configured by a capacitor cell including a lower electrode formed on a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20060279140 - Linear motor with integrated guidance: A linear motor with an integrated guidance comprising a base plate comprising at least two side walls, and a travel plate guideably connected to the base plate in a linearly movable manner, wherein the travel plate comprises at least two rails and is connected to a plurality of rollers, wherein... Agent: Speckman Law Group PLLC

20060279141 - Lithographic apparatus, device manufacturing method, and device manufactured thereby: A bearing includes a passive magnetic bearing configured to provide support between a first and second part of an apparatus and allow both parts to be displaced relative to each other in a direction perpendicular to the support direction. The passive magnetic bearing includes first and second magnetic assemblies. Each... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20060279142 - Driving apparatus: The first magnetic body, second magnetic body and third magnetic body have S-pole at the left end and N-pole at the right end. The second magnetic body acts rightward attractive force on the first magnetic body. The third magnetic body acts leftward attractive force on the first magnetic body. When... Agent: Jordan And Hamburg LLP

20060279143 - an actuator: In actuators where an electric motor, via a transmission, drives an activation element intended to cause movement of an adjustable element in the structure in which the actuator is incorporated, particularly within the furniture sector, hospital beds and sickbeds. The level of noise may be reduced in that at least... Agent: Dykema Gossett PLLC

20060279144 - Vehicular electric rotary machine: A vehicular electric rotary machine of a heat pipe cooling type is disclosed including heat pipe means 14, 14A, 15, 15B, associated with a cooling fin 51, 52 and a rear end wall 122 of a rear frame 12, which have regions exposed to an exhaust passage 19 to be... Agent: Oliff & Berridge, PLC

20060279145 - Cooling system for an electrical machine with center rotor cooling dusts: An electrical machine includes a stator having a radially inwardly directed duct adjacent the center of the machine for flowing cooling medium into the gap between the stator and rotor. The rotor includes radial or diagonal ducts having scoops for directing flow generally radially inwardly to cool the field windings... Agent: Nixon & Vanderhye P.C.

20060279146 - Production method for rotating electric machine and stator coils, and electric power steering motor: A stator of a rotating electric machine includes a stator core, and multiphase stator coils incorporated in the stator core. The stator core is formed by connecting a plurality of split core pieces. Each of the stator coils is wound around a coil bobbin installed on the outer periphery of... Agent: Crowell & Moring LLP Intellectual Property Group

20060279147 - Rotational coupling device: A rotational coupling device for use as a clutch and/or brake is provided having improved magnetic efficiency and structural integrity. A permanent magnet is coupled to one of a brake plate and an armature and axially aligned with a portion of the other for improved braking performance.... Agent: Dykema Gossett PLLC

20060279148 - Electrical machine with support of the rotor on an end face of the stator: An electrical machine has a stator, a rotor, which features a rotor shaft, and at least one bearing for the rotor. The bearing is supported on a bearing block, which in its turn rests on an end face of the stator or on an insulating end disk positioned on an... Agent: Baker Botts L.L.P. Patent Department

20060279149 - Passive dynamically stabilizing magnetic bearing and drive unit: The passive axial magnet bearing comprises permanent magnets (1, 2) arranged with alternating polarization on a rotor (1, 2, 8). These cause an oscillating flow through the coils (L) on both sides of the rotor (1, 2, 8). All coils (L) are series connected in an electric circuit (3). As... Agent: Donald S Dowden Cooper & Dunham

20060279150 - Axial air gap type electric motor: A magnetic pre-pressurizing section for pre-pressurizing the inner ring of the bearing in the axial direction by a difference of magnetic forces of permanent magnets of the two rotors is arranged. The magnetic pre-pressurizing section is constructed by a difference of a magnetizing amount for forming permanent magnets 8b, 9b... Agent: Venable LLP

20060279151 - On-vehicle belt-driven alternator: An on-vehicle alternator is disclosed having a rotor driven by an engine via a belt, a stator having armature windings to generate electromotive forces in response to rotating magnetic fluxes, a housing on which the stator is fixedly secured, a pulley fixedly supported on the rotor to transmit a belt... Agent: Oliff & Berridge, PLC

20060279153 - Electrodynamic machine: An electrodynamic machine (10) comprising a first rotor (13) and a second rotor (15). The first and second rotors (13, 15) are adapted to rotate relative to each other, preferably in opposite directions. The electrodynamic machine (10) may operate as an electric generator or as an electric motor.... Agent: Merchant & Gould PC

20060279152 - Method and apparatus for implementing a hybrid mode for a multi-core processor: A method of implementing a hybrid mode of a multi-core processor includes setting a hybrid mode as a power management mode of the multi-core processor. The hybrid mode includes operating more than one core of the processor and alternately operating only a single core of the processor. The hybrid mode... Agent: Fish & Richardson P.C.

20060279154 - Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine: A magnetic gap is provided between a permanent magnet of a rotor and an auxiliary magnet pole portion which is arranged adjacent to the permanent magnet in a peripheral direction. A gradual change in a magnetic flux density distribution of a surface of the rotor is obtained and a cogging... Agent: Crowell & Moring LLP Intellectual Property Group

20060279155 - High-torque switched reluctance motor: According to one embodiment of the present invention, an electric machine comprises a stator and a rotor. The stator has at least one stator pole with a first leg and a second leg. The rotor has at least one rotor pole. The rotor rotates relate to the stator. The at... Agent: Baker Botts L.L.P.

20060279156 - Distribution of motor heat sources: The disclosure is directed to an electrical motor that includes a rotor and stator with improved cooling of the motor. The improved cooling is due to a convenient coil connecting structure of the stator. Outer and inner peripheral connectors connect the coil wound ends at the outer and inner peripheral... Agent: Shumaker & Sieffert, P. A.

20060279157 - Motor stator: A motor stator includes a stator core (500) and a stator coil. The stator core includes a central cylinder (501) and a plurality of posts (503) extending from the central cylinder. Each post is connected with a magnetic pole (505). The post has a smaller height than the central cylinder... Agent: North America Intellectual Property Corporation

20060279158 - Permanent-magnet motor: A permanent-magnet motor including a rotor having permanent magnets disposed therein, and a stator, wherein an outer circumferential surface of the rotor is opposite to an inner circumferential surface of the stator, and one or both of the outer circumferential surface of the rotor and the inner circumferential surface of... Agent: Staas & Halsey LLP

20060279161 - Rotary electric machine equipped with stator core designed to ensure machine performance: A rotary electric machine, such as an automotive alternator or an automotive engine starter motor, is provided which includes a rotor and a stator. The stator is equipped with an annular stator core which has a plurality of magnetic pole teeth facing inwardly and a stator winding. The stator winding... Agent: Oliff & Berridge, PLC

20060279160 - Rotary electric machine with a stator core made of magnetic steel sheets and the stator core thereof: A rotary electric machine has a housing and a stator core and a plurality of fixing members. The core has sheet units laminated along an axial direction. Each unit has core sheets disposed along a circumferential direction so as to be butted to one another on butted surfaces of the... Agent: Nixon & Vanderhye, PC

20060279159 - 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: Foley And Lardner LLP Suite 500

20060279162 - Bldc motor and pump assembly with encapsulated circuit board: A BLDC motor assembly and method for manufacturing same is disclosed. The motor has a housing, a shaft supported for rotation within the housing, a stator disposed within the housing for generating an electro-magnetic field, a rotor operatively coupled to the shaft and disposed for powered rotation within the stator... Agent: Dickinson Wright PLLC

20060279163 - Homopolar machine with brush improvement: The wear life of flexible copper fiber brushes when used at a positive pole in a direct current motor or generator is improved by the provision of an effective amount of zinc as a sacrificial anode material. Flame-sprayed zinc is applied as a coating to the exterior surface of such... Agent: Fitch Even Tabin And Flannery

20060279164 - Superconducting acyclic homopolar electromechanical power converter: An acyclic homopolar electromechanical power converter that uses superconducting series connected rotor elements for series summation of magnetomotive and electromotive force. The novel rotor assembly comprises a plurality of conductor elements connected in series by superconducting series connections. The behavior of the superconducting series connections provides a form of flux... Agent: Robert D. Gunderman, Jr. Patent Technologies, LLC

20060279165 - Alternator rotor core: An improved alternator rotor comprising a nonhomogenous steel rotor core, the nonhomogenous steel rotor core comprising a low carbon inner portion and a high carbon outer portion around the low carbon inner portion. An improved alternator rotor comprising a steel rotor core of nonhomogenous hardness, wherein an outer portion of... Agent: Thomas A. Walsh Ice Miller

20060279166 - Motor: A two-phase electric motor in accordance with the present invention comprises first and second coil groups and a magnet group. In the magnet group, N poles and S poles are disposed alternatively opposite the first and second coil groups. The first and second coil groups are disposed at positions that... Agent: Harness, Dickey & Pierce, P.L.C

20060279167 - System, and associated method, for recovering water from air: A system for condensing water from air includes a column having a substantially non-reflective surface effective for absorbing heat energy from the sun and transferring the heat to air in the interior of the column. A condenser is secured within the column, and includes a condensing surface with a thermoelectric... Agent: Scheef & Stone, L.L.P.

20060279169 - Actuator and method for manufacturing the same: An actuator that can be driven at a reduced voltage and manufactured with ease, and a method for manufacturing the same are provided. The actuator includes second supporting portions 31 and 32 secured to a supporting substrate 4 through a spacer, fixed portions 33 and 34 secured to the supporting... Agent: Harness, Dickey & Pierce, P.L.C

20060279168 - Laser scanner having low dynamic deformation: A laser scanner with a low dynamic deformation. The laser scanner includes: a stage which rotates about an axis of rotation and which has a first surface on which a mirror surface is formed; and torsion springs which support both sides of the stage and which act as the axis... Agent: Sughrue Mion, PLLC

20060279171 - Broadband, nonreciprocal network element: l

20060279170 - Piezoelectric actuator and method of producing the same: A lower electrode 3 including a low-temperature melting layer 3A and a high-temperature melting layer 3B having mutually different melting-start temperatures is provided between a vibration plate 2 and a piezoelectric layer 4. In a calcination step of calcinating the lower electrode 3, the calcination is performed at a low... Agent: Baker Botts LLP C/o Intellectual Property Department

20060279173 - Laminated piezoelectric/electrostrictive element: A laminated piezoelectric element is applicable as a driving source of opening and closing mechanism of an injection nozzle in a fuel injecting device. A laminated piezoelectric/electrostrictive element 1 has: a columnar laminate 10 constituted by alternately laminating a plurality of piezoelectric/electrostrictive layers 18 and inner electrode layers 18, 19;... Agent: Burr & Brown

20060279172 - Lamination-type resistance element: A lamination-type resistance element includes a laminated sinter having internal electrodes of a first group and internal electrodes of a second group, the first internal electrode group including a plurality of internal electrodes facing each other through a ceramic resistance layer and defining a resistance unit at the portion where... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20060279174 - Digital capacitive membrane transducer: A capacitive membrane is used as a digital sensor. Membranes act as binary devices, such as being in a collapsed or non-collapsed state. By providing drum heads (membranes and associated gaps) with different response characteristics, the drum heads of an element digitally indicate the amplitude of the acoustic force by... Agent: Siemens Corporation Intellectual Property Department

20060279175 - Piezoelectric resonator having improved temperature compensation and method for manufacturing same: A piezoelectric resonator includes a piezoelectric layer having a first resonance frequency temperature coefficient of a first sign, a first and a second electrode, the piezoelectric layer being arranged between the first and second electrodes, and a compensation layer arranged between the first electrode and the piezoelectric layer, of a... Agent: Maginot, Moore & Beck Chase Tower

20060279177 - Improvement to the materials of the cylinders of active-piston actuators: The invention concerns an actuator which includes a linear piston (2) in an active material, and an inner sliding cylinder (7, 7′) which includes an outer cylinder (5, 5′) in which the said sliding cylinder ((7, 7′) is pre-stressed, with one cylinder being in an anisotropic material with a negative... Agent: Blakely Sokoloff Taylor & Zafman

20060279176 - Small-sized piezoelectric resonator: The piezoelectric resonator according to the invention is to be mounted in a case and includes a tuning fork shaped part with two parallel vibrating arms, connected to each other by a linking part, from which protrude a central arm located between both vibrating arms of the tuning fork shaped... Agent: Sughrue Mion, PLLC

20060279178 - Piezoelectric material, manufacturing method thereof, and non-linear piezoelectric element: A piezoelectric material is provided that has mobile point defects which are arranged so that the short-range order symmetry is matched with the crystal symmetry of the ferroelectric phase. A large non-linear electrostrain effect is obtained by the reversible domain switching under electric field in the ferroelectric material. Thus, it... Agent: Wenderoth, Lind & Ponack, L.L.P.

20060279180 - Resonator piece, resonator, oscillator and electronic device: The invention provides a resonator piece, a resonator, an oscillator and an electronic device that can prevent in advance defects from arising in the electrodes and whose frequency characteristics of the resonator piece and CI value are stable. The resonator piece can include a base portion in which a base... Agent: Oliff & Berridge, PLC

20060279179 - Small-sized piezoelectric resonator: The piezoelectric resonator according to the invention includes a tuning fork shaped part with two parallel vibrating arms, connected to each other by a linking part, from which protrude a central arm located between both vibrating arms of the tuning fork shaped part, the vibrating arms carrying first electrodes to... Agent: Sughrue Mion, PLLC

20060273665 - Linear motor: A first claw pole type yoke unit 11A and a second claw pole type yoke unit 11B are arranged for a pair of linear portions 9a of a coil 9, respectively. The first and second claw pole type yoke units 11A and 11B are arranged so that first pole teeth... Agent: Rankin, Hill, Porter & Clark LLP

20060273666 - Permanent magnet flux module reciprocating engine and method: A permanent magnet reciprocating engine and method are provided wherein a first field plate having magnetic fields of two polarities interact with the magnetic field of a magnet located on a piston plate. The first field plate is moved to alternately bring the magnetic field of a first polarity and... Agent: Lerner Greenberg Stemer LLP

20060273667 - Balancing structure for motor rotor: A motor includes a fixed portion having a stator with at least two pole faces. Each pole face includes a strong magnetic section and a weak magnetic section for respectively creating stronger and weaker alternating magnetic fields. A rotor includes a shaft rotatably extending through the fixed portion and an... Agent: Bacon & Thomas, PLLC

20060273668 - Cooling assembly for electric machine: A cooling assembly including a generally cylindrical body to be inserted inside the generally cylindrical internal stator of an electric machine is described herein. The body includes a cylindrical external contact surface configured and sized to contact the internal surface of the stator. The bottom surface of the body is... Agent: Fay Kaplun & Marcin, LLP

20060273669 - Electric machine with coolant guiding channel and corresponding cooling method: The aim of the invention is to optimise cooling electric machines. As a result, a coolant channel (7) is disposed around the cylindrically-shaped magnet arrangement of the electric machine. Said coolant channel can evenly distribute a coolant in the peripheral direction of the cylindrically-shaped magnet arrangement. The flow of coolant... Agent: Henry M Feiereisen, LLC

20060273670 - Motor stator: A motor stator (10) includes a hollow cylinder (19), a stator winding (16) and upper and lower magnetic pole plates (12, 18). The stator winding is axially wound around the hollow cylinder. The upper and lower magnetic pole plates are disposed at opposite sides of the stator winding. At least... Agent: North America Intellectual Property Corporation

20060273671 - Dynamoelectric machine: A sleeve is mounted to an output terminal so as to be fitted over an output extraction end and is fastened between a cylindrical portion and a relay member mounting nut screwed onto an external thread portion such that the sleeve is in a close state of surface contact with... Agent: Sughrue Mion, PLLC

20060273672 - Manufacturing method of armature shaft, and rotary electric machine: In a forging process step, a small diameter portion 12 is formed in the leading end portion of a cylindrical shaft material 30, and an installation depressed portion 11d is formed on a base end face of the shaft material 30 for installing a ball 15 therein to receive thrust... Agent: Posz Law Group, PLC

20060273673 - Dynamic pressure bearing and rotation machine employing same: A magnetic fluid is held by a magnetic field in a stationary state and by a centrifugal force during rotation, leak and splash of the magnetic fluid caused by instability of pumping of a dynamic pressure bearing are prevented without using a magnetic fluid with a high saturation magnetization value,... Agent: Flynn Thiel Boutell & Tanis, P.C.

20060273674 - Motor magnetic force attenuator: Motors having a magnetic force attenuator are described. In some embodiments, the motors comprise a stationary member having a base and a stator, a rotating assembly having a magnet and a magnetic force attenuator to attenuate the magnetic attraction force between the magnet and the base; and a fluid bearing... Agent: Seagate Technology C/o Mofo Sf

20060273675 - Hobby servo attachment mechanisms: An apparatus for extending the operational capacity of a servo motor is disclosed. The apparatus includes a frame member. A first aperture is defined within the frame member and is configured to support a servo motor. A servo motor is positioned within the first aperture. The servo motor has a... Agent: Westman Champlin & Kelly, P.A.

20060273676 - Axial gap motor: An axial gap motor may benefit from a reduction of axial force on the rotor, which may reduce load on the rotor and bearings and reduce the vibration on the surface of the rotor. An air gap is positioned on the stator facing the rotor, and an auxiliary yoke is... Agent: Shumaker & Sieffert, P. A.

20060273677 - Rotor for motor: A motor rotor includes a magnetic hub made of a plastic matrix and magnetic powders. At least one surface of the magnetic hub includes a plurality of alternately disposed north pole zones and south pole zones. A shaft includes an end fixed to a central portion of the magnetic hub.... Agent: Bacon & Thomas, PLLC

20060273679 - Magnet embedded motor, rotor unit, and method for manufacturing rotor unit: A magnet embedded motor includes a rotor, a plurality of magnets embedded in the rotor, and a yoke provided with the plurality of magnets for forming a magnetic path. The rotor is formed with the plurality of magnets and the yoke in a single member by means of a resin... Agent: Sughrue Mion, PLLC

20060273678 - Permanent magnet motor: A permanent magnet motor has permanent-magnet-holding slots 5 formed in those parts of a rotor core 2A which correspond to sides of an approximately regular polygon centered on an axis of the rotor core 2A, permanent magnets 4 inserted in the respective permanent-magnet-holding slots, and four or more radially elongated... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20060273680 - Apparatus and method that prevent flux reversal in the stator back material of a two-phase srm (tpsrm): A TPSRM may include a stator, having a plurality of poles and a ferromagnetic or iron back material, and a rotor having a plurality of poles and a ferromagnetic or iron back material. A current flowing through coils wound around a first set of the plurality of stator poles induces... Agent: Stevens Davis Miller & Mosher, LLP

20060273681 - Starting system for salient-poled-rotor electric motor: A starting system and method for starting a salient-poled-rotor electric motor having a stator with a plurality of spaced salient poles, a plurality of field coils of unchanging polarity, and a plurality of armature coils, wherein each field coil of the plurality of field coils at least partially overlaps an... Agent: Young & Basile, P.C.

20060273682 - Permanent-magnet generator with magnetic flux controls: A permanent-magnet generator with flux control means, which has a device simple in construction to increase or decrease air gaps for flux path in response to an rpm of a rotor, regulating a magnetic flux flowing in a stator. The permanent-magnet generator is envisaged further curbing the magnetic flux flowing... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20060273683 - High strength induction machine, rotor, rotor cage end ring and bar joint, rotor end ring, and related methods: A high strength induction machine, rotor, rotor cage end ring and bar joint, rotor end ring, and related methods are provided. An embodiment of an end ring and bar joint includes a main body adapted to substantially surround a rotor shaft when mounted thereto, a plurality of slots extending inwardly... Agent: Bracewell & Giuliani LLP

20060273684 - Multi-phase brushless motor with reduced number of stator poles: An A-phase brushless motor, where A is an integer greater than or equal to 2, includes a stator and a rotor. The stator has q stator poles, where q is an integer greater than or equal to A. The stator poles form S stator pole sets each consisting of A... Agent: Oliff & Berridge, PLC

20060273685 - On-vehicle alternator with brush/slip ring structure: An alternator (AC generator) to be mounted on a vehicle comprises slip rings, brushes, a brush holder, a rear cover, and sealing members. The slip rings are fixed on a rotary shaft and rotatable together with the rotary shaft. The brushes are slidable on the slip rings and the brush... Agent: Oliff & Berridge, PLC

20060273686 - Hub motors: The present invention discloses small compact motor systems which may be located inside a vehicle drive wheel, and which allow a drive motor to provide the necessary torque with reasonable system mass. The motor systems of the invention utilize polyphase electric motors, and are preferably connected to appropriate drive systems... Agent: Borealis Techical Limited

20060273687 - Surface acoustic wave device and method of manufacturing the same: First base layers made of TiN or TiOxNy (where, 0<x<0.2, x+y=1) and second base layers made of Cr are provided between interdigital transducer portions and a piezoelectric substrate, and accordingly, it is possible to prevent voids from being generated in the interdigital transducer portions, which improves a power resistance of... Agent: Beyer Weaver & Thomas, LLP

20060273688 - Power supply apparatus, and image forming apparatus having the same: A power supply apparatus includes a piezoelectric transformer which outputs a voltage, a voltage-controlled oscillator which controls the frequency of an output signal in accordance with an input control signal, a power supply voltage supply element which is driven by a signal output from the voltage-controlled oscillator and applies a... Agent: Fitzpatrick Cella Harper & Scinto

20060273689 - Oscillatory-wave actuator and method for driving oscillatory-wave actuator: An oscillatory-wave actuator is provided capable of simplifying the structure of a driving circuit. Push-up vibration is formed in an oscillating body including three piezoelectrics and an elastic body by applying an AC voltage to the first piezoelectric. The second piezoelectric outputs a vibration-detecting voltage according to the amplitude of... Agent: Canon U.s.a. Inc. Intellectual Property Division

20060273691 - Micro-electromechanical ink ejection mechanism utilizing through-wafer ink ejection: A micro-electromechanical ink ejection mechanism for an inkjet printer includes a substrate that defines an ink ejection channel through which ink can be ejected. A drive circuitry layer is positioned on the substrate. A wall extends from the substrate. An ink ejection member, together with the wall and the substrate,... Agent: Silverbrook Research Pty Ltd

20060273690 - Structure element for an aircraft: Nowadays floor structures in the fuselage of aeroplanes, which floor structures comprise transverse floor girders, are usually connected to the frame on the right and left by means of rivets and are in turn supported vertically downward by the frame by way of Samer rods. According to one embodiment of... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20060273692 - Bimorph switch, bimorph switch manufacturing method, electronic circuitry and electronic circuitry manufacturing method: A bimorph switch electrically connecting a traveling contact and a fixed contact. The switch comprises a substrate having a front face, a rear face, and a through hole penetrating from the front face to the rear face; a fixed contact extending from an edge portion of the aperture of the... Agent: Osha Liang L.L.P.

20060273693 - Piezoelectric powered vehicles and motors: One or more piezoelectric elements are employed to generate electrical energy from one or both of the mechanical energy of a moving part of a conventional engine or vehicle or the combustion energy of an internal combustion engine. The generated electrical energy can be stored and used to power an... Agent: Knoble, Yoshida & Dunleavy

20060273694 - Low temperature conductive coating for piezoceramic materials: A conductive coating for piezoceramic materials is disclosed. The conductive coating is comprised of polymers, and one or more of the following metals: nickel, gold, copper, tin, brass, aluminum, or any combination thereof. The conductive coating is applied to the piezoceramic materials by commonly used methods and, after curing, forms... Agent: James A. Hudak, Esq.

20060273695 - Ultrasonic transducer: An ultrasonic transducer of the type containing a cylindrical piezoelectric active element mounted on a supporting tube is provided with a backing component made of an electrically and thermally insulating material forming a sleeve which extends between the piezoelectric element and the supporting tube. An insulating material is selected for... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20060273696 - Handheld device having ultrasonic transducer for axial transmission of acoustic signals: A handheld stylus having an elongated housing, a writing and drawing implement disposed within the housing and including a tip extending through an opening at an end of the housing where ultrasonic waves radiate therefrom and are used for determining a position of the stylus; and at least one ultrasonic... Agent: Plevy & Howard, P.C.

20060273697 - Piezoelectric ceramic composition and piezoelectric device: A piezoelectric ceramic composition excellent in heat resisting properties is provided. In the piezoelectric ceramic composition including a perovskite compound containing Pb, Zr and Ti as main components, the piezoelectric ceramic composition is made to include Cr as an additive from 0.025 to 0.250 wt % in terms of Cr2O3.... Agent: Hogan & Hartson L.L.P.