Electrical generator or motor structure inventions 10/08

20080258566 - Actuator and electric toothbrush using the same: An actuator includes a shaft supported in such a manner as to make axial reciprocating movement or rotational reciprocating movement around longitudinal axis thereof, and an electricity conducting member for making contact with the shaft at a plurality of points on a circumferential surface of the shaft used as an... Agent: Bacon & Thomas, PLLC

20080258568 - Electrical linear drive device: An electrical linear drive device with an electric linear motor held in a base housing is proposed that has a long-coil system arranged in a motor housing, and a substantially shorter armature that drives a drive element linearly via a drive rod extending to the outside. Two guide rods running... Agent: Hoffmann & Baron, LLP

20080258567 - Linear motor and tool moving device with the same: A tool moving device with a linear motor is provided with a movable body which is movable bodily with a tool on a support frame through a pair of fluid bearings. A plurality of magnet constructs are circumferentially arranged on the movable body to respectively face stationary coils secured to... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080258569 - Driving apparatus for vehicle: A vehicle driving apparatus includes a rotating electrical machine; a power transmitting gear mechanism; and a case in which the rotating electrical machine and the gear mechanism are housed in series in an axial direction of the rotating electrical machine, wherein a low rigidity region, which is a region of... Agent: Oliff & Berridge, PLC

20080258570 - Stator: The present invention provides a stator coiled in a spiral, capable of mechanically inserting a wound coil in the slot of a stator core. In a stator in which coils are overlapped in a spiral when viewed from the end surface of the stator core after each of one sides... Agent: Morgan & Finnegan, L.L.P.

20080258583 - Electric machine comprising a claw-pole stator and claw-pole stator metal sheet: The invention relates to an electric machine comprising a rotor, a claw-pole stator (11) which surrounds the rotor, and a unit detecting the rotor position. According to the invention, a flux barrier (12) is provided in the area of a sensor (13) of the unit detecting the rotor position in... Agent: Michael Best & Friedrich LLP

20080258584 - Motor and control circuit thereof: A control circuit of a motor includes at least two sensor chips and at least two winding sets. The sensor chips are electrically connected to each other, and each of the winding sets has a first winding and a second winding. The first end of the first windings and the... Agent: Birch Stewart Kolasch & Birch

20080258585 - Resolver: A resolver rotor for a variable reluctance resolver includes a plurality of axially stacked rotor pieces. The rotor pieces are jointly fitted into one body. In the fitting of the rotor pieces, deformed portions are provided between a center of the radial thickness of the resolver rotor and a side... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080258582 - Switching flap device: An actuating device for actuators, such as switching, throttle or swirl flaps, in internal combustion engines for motor vehicles comprises a shaft connected with an actuating motor. The shaft is connected with an actuator, such as a switching flap or the like. In a predetermined position relative to the shaft... Agent: Paul D. Greeley Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20080258571 - Electric drive unit, in particular electric motor with gear: The invention relates to all electric drive unit (10), in particular an electric motor (11) with a transmission (12), whose driveshaft (15) is rotatably mounted at the transmission side in a ball bearing (16) on the transmission housing (14), which ball bearing (16) is axially fixed at one side against... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080258572 - Variable reluctance dynamo-electric rotary machine provided with united magnetic, electric and polarising circuits and method for production thereof: A monophase transverse circuit has two rows of cylindrical air gaps which are provided with conductors between terminal pairs of a machine of an EP 1 063 754 type. By anamorphic transformation according to figures, the terminal pairs are rotated at a quarter turn in order to come to FIG.... Agent: Young & Thompson

20080258573 - Rotor of rotating electric machine, rotating electric machine and vehicle drive apparatus: There are provided a rotor of a rotating electric machine that can implement high-speed rotations with improved energy efficiency, as well as the rotating electric machine and a vehicle drive apparatus. The rotor of the rotating electric machine includes two magnets arranged within an electrical angle in the range of... Agent: Oliff & Berridge, PLC

20080258574 - Direct current motor: A direct current motor including a rotor, a stator, a brush holder, and a brush. The rotor includes a core, a plurality of commutator segments, and a plurality of segment coils. The core has a plurality of teeth arranged along a circumferential direction of the rotor. A slot is formed... Agent: Occhiuti Rohlicek & Tsao, LLP

20080258575 - Method and apparatus for producing a coil winding for stators or rotors of electrical machines, and stator or rotor produced thereby: A method for producing a coil winding for stators is described, in which each coil turn rests, with one fillet (14) each, in two stator slots, and the two fillets (14) are joined by a head portion (16). A plurality of coil turns are made simultaneously by winding up n... Agent: Stites & Harbison PLLC

20080258576 - Grounding brush system for mitigating electrical current on rotating shafts: An improved grounding brush system for mitigating electrical current on a moving object such as a rotating shaft includes an electrically conductive layer applied to the object and associated with a brush assembly for conducting electrical current from the moving object to ground.... Agent: Taylor & Aust, P.C. Illinois Tool Works Inc.

20080258577 - Microsystem and method for positioning a second element with respect to a first element in a microsystem: A microsystem, comprising a first static element (1), a second, movable and unattached element (2), an actuator (3) for effecting a force between the first and the second element (1, 2), which actuator (3) is designed for controlling a temperature (T1, T2) of one of the first element (1) and... Agent: Anne Vachon Dougherty

20080258578 - Driving device capable of obtaining a stable frequency characteristic: A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a static member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion coupled to the second end portion of the electro-mechanical transducer, and a... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080258579 - Driving device capable of reducing height thereof: A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a stationary member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion mounted to the second end portion of the electro-mechanical transducer, and a... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080258580 - Reliability improvement for piezoelectric imaging array device: A device for scanning a biological object, such as a fingerprint, is disclosed. One such device includes an array of acoustic waveguides and a piezoelectric array device. The piezoelectric array devices may be arranged in association with the waveguide array to provide ultrasonic energy in the form of an ultrasonic... Agent: Hodgson Russ LLP The Guaranty Building

20080258581 - Energy converter arranged on rotating elements and used to convert mechanical energy into electric energy: An energy converter arranged on a rotating element and used for converting mechanical energy into electrical energy, having a converter element (2) for converting the mechanical energy into electrical energy and a first mass (M1) and a second mass (M2), the second mass (M2) being connected to the rotating element.... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20080258566 - Actuator and electric toothbrush using the same: An actuator includes a shaft supported in such a manner as to make axial reciprocating movement or rotational reciprocating movement around longitudinal axis thereof, and an electricity conducting member for making contact with the shaft at a plurality of points on a circumferential surface of the shaft used as an... Agent: Bacon & Thomas, PLLC

20080258568 - Electrical linear drive device: An electrical linear drive device with an electric linear motor held in a base housing is proposed that has a long-coil system arranged in a motor housing, and a substantially shorter armature that drives a drive element linearly via a drive rod extending to the outside. Two guide rods running... Agent: Hoffmann & Baron, LLP

20080258567 - Linear motor and tool moving device with the same: A tool moving device with a linear motor is provided with a movable body which is movable bodily with a tool on a support frame through a pair of fluid bearings. A plurality of magnet constructs are circumferentially arranged on the movable body to respectively face stationary coils secured to... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080258569 - Driving apparatus for vehicle: A vehicle driving apparatus includes a rotating electrical machine; a power transmitting gear mechanism; and a case in which the rotating electrical machine and the gear mechanism are housed in series in an axial direction of the rotating electrical machine, wherein a low rigidity region, which is a region of... Agent: Oliff & Berridge, PLC

20080258570 - Stator: The present invention provides a stator coiled in a spiral, capable of mechanically inserting a wound coil in the slot of a stator core. In a stator in which coils are overlapped in a spiral when viewed from the end surface of the stator core after each of one sides... Agent: Morgan & Finnegan, L.L.P.

20080258583 - Electric machine comprising a claw-pole stator and claw-pole stator metal sheet: The invention relates to an electric machine comprising a rotor, a claw-pole stator (11) which surrounds the rotor, and a unit detecting the rotor position. According to the invention, a flux barrier (12) is provided in the area of a sensor (13) of the unit detecting the rotor position in... Agent: Michael Best & Friedrich LLP

20080258584 - Motor and control circuit thereof: A control circuit of a motor includes at least two sensor chips and at least two winding sets. The sensor chips are electrically connected to each other, and each of the winding sets has a first winding and a second winding. The first end of the first windings and the... Agent: Birch Stewart Kolasch & Birch

20080258585 - Resolver: A resolver rotor for a variable reluctance resolver includes a plurality of axially stacked rotor pieces. The rotor pieces are jointly fitted into one body. In the fitting of the rotor pieces, deformed portions are provided between a center of the radial thickness of the resolver rotor and a side... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080258582 - Switching flap device: An actuating device for actuators, such as switching, throttle or swirl flaps, in internal combustion engines for motor vehicles comprises a shaft connected with an actuating motor. The shaft is connected with an actuator, such as a switching flap or the like. In a predetermined position relative to the shaft... Agent: Paul D. Greeley Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20080258571 - Electric drive unit, in particular electric motor with gear: The invention relates to all electric drive unit (10), in particular an electric motor (11) with a transmission (12), whose driveshaft (15) is rotatably mounted at the transmission side in a ball bearing (16) on the transmission housing (14), which ball bearing (16) is axially fixed at one side against... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080258572 - Variable reluctance dynamo-electric rotary machine provided with united magnetic, electric and polarising circuits and method for production thereof: A monophase transverse circuit has two rows of cylindrical air gaps which are provided with conductors between terminal pairs of a machine of an EP 1 063 754 type. By anamorphic transformation according to figures, the terminal pairs are rotated at a quarter turn in order to come to FIG.... Agent: Young & Thompson

20080258573 - Rotor of rotating electric machine, rotating electric machine and vehicle drive apparatus: There are provided a rotor of a rotating electric machine that can implement high-speed rotations with improved energy efficiency, as well as the rotating electric machine and a vehicle drive apparatus. The rotor of the rotating electric machine includes two magnets arranged within an electrical angle in the range of... Agent: Oliff & Berridge, PLC

20080258574 - Direct current motor: A direct current motor including a rotor, a stator, a brush holder, and a brush. The rotor includes a core, a plurality of commutator segments, and a plurality of segment coils. The core has a plurality of teeth arranged along a circumferential direction of the rotor. A slot is formed... Agent: Occhiuti Rohlicek & Tsao, LLP

20080258575 - Method and apparatus for producing a coil winding for stators or rotors of electrical machines, and stator or rotor produced thereby: A method for producing a coil winding for stators is described, in which each coil turn rests, with one fillet (14) each, in two stator slots, and the two fillets (14) are joined by a head portion (16). A plurality of coil turns are made simultaneously by winding up n... Agent: Stites & Harbison PLLC

20080258576 - Grounding brush system for mitigating electrical current on rotating shafts: An improved grounding brush system for mitigating electrical current on a moving object such as a rotating shaft includes an electrically conductive layer applied to the object and associated with a brush assembly for conducting electrical current from the moving object to ground.... Agent: Taylor & Aust, P.C. Illinois Tool Works Inc.

20080258577 - Microsystem and method for positioning a second element with respect to a first element in a microsystem: A microsystem, comprising a first static element (1), a second, movable and unattached element (2), an actuator (3) for effecting a force between the first and the second element (1, 2), which actuator (3) is designed for controlling a temperature (T1, T2) of one of the first element (1) and... Agent: Anne Vachon Dougherty

20080258578 - Driving device capable of obtaining a stable frequency characteristic: A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a static member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion coupled to the second end portion of the electro-mechanical transducer, and a... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080258579 - Driving device capable of reducing height thereof: A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a stationary member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion mounted to the second end portion of the electro-mechanical transducer, and a... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080258580 - Reliability improvement for piezoelectric imaging array device: A device for scanning a biological object, such as a fingerprint, is disclosed. One such device includes an array of acoustic waveguides and a piezoelectric array device. The piezoelectric array devices may be arranged in association with the waveguide array to provide ultrasonic energy in the form of an ultrasonic... Agent: Hodgson Russ LLP The Guaranty Building

20080258581 - Energy converter arranged on rotating elements and used to convert mechanical energy into electric energy: An energy converter arranged on a rotating element and used for converting mechanical energy into electrical energy, having a converter element (2) for converting the mechanical energy into electrical energy and a first mass (M1) and a second mass (M2), the second mass (M2) being connected to the rotating element.... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20080252153 - Electric linear drive unit: The invention proposes an electric linear drive unit with an electric linear motor that is arranged in or on a basic housing. A sensor device arranged in or on the basic housing serves for determining at least one position of a driving element that is driven by the linear motor.... Agent: Hoffmann & Baron, LLP

20080252152 - Electrical machine with an insertion device for a permanent magnet between pole tooth halves and corresponding production method: The manufacturing effort for producing electrical machines with pole teeth which are fitted with permanent magnets is intended to be simplified. The permanent magnets are inserted into the pole teeth only at the end of the manufacturing process, for this purpose, with the pole teeth each comprising two pole teeth... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20080252150 - Linear actuator in an electric percussion tool: A linear actuator in an electric percussion tool is equipped with a rotor and a stator, wherein the rotor has at least two stacks, which are arranged at a predetermined distance from one another, of superposed permanently magnetic bars, the stator is formed, at least partially, from a soft-magnetic material... Agent: Hiscock & Barclay, LLP

20080252151 - Two degree of freedom movers with overlapping coils: A mover (344) that moves a stage (238) along a first axis and along a second axis includes a magnetic component (354), a conductor component (356), and a control system (324). The magnetic component (354) includes one or more magnets (354D) that are surrounded by a magnetic field. The conductor... Agent: Roeder & Broder LLP

20080252180 - Electricity generating playground equipment and method: An electricity generating playground device configured for recreational activity by children includes a playground device having a cyclically movable part. An electricity generator is operably coupled to the cyclically movable part, and operable to generate electricity when the cyclically movable part is moved through a cyclical motion. A duty cycle... Agent: Thorpe North & Western, LLP.

20080252181 - Small diameter stepping motor, bobbin used therein and manufacturing method thereof: In a small diameter stepping motor including two stator units each including a bobbin formed of an insulating material, each bobbin includes: a circular hollow cylinder portion having a winding; two flanges disposed respectively at the both ends of the cylinder portion; and a terminal structure disposed at one of... Agent: Foley And Lardner LLP Suite 500

20080252154 - Motor having improved mounting structure: A motor having an improved mounting structure is composed of a rotor including a rotor yoke; a stator including a bearing, a bearing holder and a base plate fixed to one end portion of the bearing holder; a shaft fixed to the rotor yoke and a damping member interposed between... Agent: Louis Woo Law Office Of Louis Woo

20080252155 - Spray cooled v-wedge for aerospace generator: A high speed generator cooling system directs a cooling oil spray through a chamber inside a coil support wedge assembly, which may be disposed adjacent to the generator coils. Heat from the generator coils may be conducted through the walls of the coil support wedge assembly and into the chamber... Agent: Honeywell International Inc.

20080252156 - Rotating electric machine and rotor thereof: A rotor of a rotating electric machine includes a cylindrical rotor core, a plurality of coil slots provided on an outer periphery of the rotor core along a rotor axis direction, rotor coils disposed in the coil slots by laminating a plurality of field conductors through an insulation material, a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080252157 - Electric machine: The invention relates to an electric machine (6) comprising a rotor and a stator, the rotor having a shaft (7) and the longitudinal extension of the electric machine (6) being defined by the shaft axis. The electric machine (6) can be cooled by means of a cooling circuit, the latter... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20080252160 - Connecting plate for electric motor and electric motor: A connecting plate for an electric motor has at least one receptacle area with at least one receptacle opening for one or more sensors for monitoring the rotor position. Furthermore, an electric motor which has such a connecting plate is described. With the novel device it is possible to simplify... Agent: Lerner Greenberg Stemer LLP

20080252158 - Torque resistant terminal block assembly: A power terminal having a unitary connector body. The body includes at least one opening therethrough. The opening is configured to receive an electrically conductive member. The body further includes a recess configured to receive a cap portion of the electrically conductive member. The connector body has an electrically insulative... Agent: Tyco Technology Resources

20080252159 - Transmission drive unit with a plug-in electronics module: Gear drive unit (10) with a plug-in electronics module (44), in particular for adjusting moving parts in a motor vehicle, comprising an electric motor (12) which has an armature shaft (18), a lower housing shell (14) and an upper housing shell (16), which housing shells can be joined together radially... Agent: Michael J. Striker

20080252182 - System and method for controlling an output of an auxiliary power source of a diesel powered system: A system and method for controlling a power output of an auxiliary alternator of a diesel powered system having at least one diesel-fueled power generating unit, the alternator powering at least one dynamoelectric device of the diesel powered system. The system includes an alternator coupled to the diesel-fueled power generating... Agent: Beusse Wolter Sanks Mora & Maire, P.A.

20080252161 - Magnetic bearing device and magnetic bearing spindle device: A control device includes a differential amplifying circuit for obtaining a difference between values of exciting currents (exciting voltage values) supplied to a pair of axial electromagnets and a pair of radial electromagnets, multiplying the obtained difference by coefficient times, and outputting it as the bearing load in an axial... Agent: Mcginn Intellectual Property Law Group, PLLC

20080252162 - Passive magnetic bearing configurations: A journal bearing provides vertical and radial stability to a rotor of a passive magnetic bearing system when the rotor is not rotating and when it is rotating. In the passive magnetic bearing system, the rotor has a vertical axis of rotation. Without the journal bearing, the rotor is vertically... Agent: John P. Wooldridge Attorney For Applicants

20080252163 - Mounting structure for a stator of a motor- stator: A mounting structure for a motor includes a central tube (16), a supporting plate (13) and a motor-stator (30). The central tube includes two positioning blocks (162). The supporting plate includes a mounting block (18). The motor-stator includes a printed circuit board (31) and a stator (33). The stator defines... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080252164 - Variable speed motor: Shift gears of a variable speed motor is no longer needed for a set of gears, but multiple layers disks with magnets fit over an axle rotated by a multiple layers annular opening of a housing, where winding coils wound along inside each annulus seperately. When electrifying each winding coils... Agent: Huang, Shi-bing

20080252165 - Rotor for permanent magnet motor: A rotor (3) for a permanent magnet motor has a is rotatable around an axis of rotation (A) and has a plurality of axially extending permanent magnets (6) which are offset circumferentially in a symmetrical manner and arranged, respectively, in receptacles (16) of a yoke (7) which is assembled from... Agent: Abelman, Frayne & Schwab

20080252166 - Rotor core for rotating electrical machine and method of manufacturing the same: A rotor core of a rotating electrical machine formed by stacking a plurality of blanks blanked from a steel sheet, the blank having a yoke, a magnetic pole portion confronting the yoke, and a magnet insertion hole positioned between the yoke and the magnetic pole portion, the magnetic pole portion... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080252167 - Alternating-current dynamoelectric machine: A projected shape of permanent magnets is contained within a plane of projection formed by adjacent claw-shaped magnetic poles overlapping when the claw-shaped magnetic poles are viewed in a direction of rotation of a rotor, and is generally similar in shape to a shape of the plane of projection.... Agent: Sughrue Mion, PLLC

20080252168 - Rotary electro-dynamic machine and armature winding thereof: Sub core sections are arranged at the end portions and the center portion of a stator core, and strand conductors are twisted and transposed by 360 degrees continuously toward the extending direction of winding slot. The length corresponding to transposition pitch 180 degrees of the strand conductors of the stator... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080252169 - Rotary electro-dynamic machine and armature winding thereof: Sub core sections are arranged at the end portions and the center portion of a stator core, and strand conductors are twisted and transposed by 360 degrees continuously toward the extending direction of winding slot. The length corresponding to transposition pitch 180 degrees of the strand conductors of the stator... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080252170 - Dynamoelectric machine insulator and method: A dynamoelectric machine insulator includes, a body having a plurality of holes therethrough at least some of the plurality of holes being receptive of a lead such that a lead extending through each of the plurality of holes is electrically isolated from a lead extending through each of the other... Agent: Cantor Colburn, LLP

20080252171 - Surface acoustic wave motor: In an energy recovery type surface acoustic wave motor, an increase in energy efficiency at the time of energy recovery and supply is achieved by adjusting phase change. A surface acoustic wave motor comprises: a surface acoustic wave substrate; a slider provided with an applied pressure; a driving interdigital electrode... Agent: Greenblum & Bernstein, P.L.C

20080252172 - Acoustic stack for ultrasonic transucers and method for manufacturing same: An acoustic stack for ultrasonic transducers comprising a backing block, flexible printed circuit board, piezoelectric ceramic layer, and acoustic matching layer. The various components of the acoustic stack are bonded together using an adhesive material and high pressure in a lamination process. The piezoelectric ceramic layer is manufactured to provide... Agent: General Electric Company Global Patent Operation

20080252173 - Drive unit: It is provided a drive unit 1 in which the displacement amount of the frictional engagement member 7 can be reduced without lowering the driving torque, having a drive circuit 4 comprised of a bridge circuit which includes charge switching elements Q1, Q3 for connecting the electrodes 5a, 5b of... Agent: Brinks Hofer Gilson & Lione

20080252174 - Energy harvesting from multiple piezoelectric sources: Energy harvesting systems and methods that use multiple piezoelectric generators connected to the same energy harvesting circuit with minimal or no energy loss. The piezoelectric energy harvesting system may include individual diode bridge circuits electrically connected to the outgoing wires from each piezoelectric generator. The piezoelectric energy harvesting system may... Agent: Pepper Hamilton LLP

20080252175 - Dithering mechanism for eliminating zero-rate bias in a gyroscope: Dithering mechanism and method for eliminating the effects of zero-rate bias in a rate sensor or gyroscope. Both continuously moving and indexing embodiments are disclosed. The mechanism includes a first part mounted in a fixed position centered about a dither axis perpendicular to the input axis of the gyroscope, a... Agent: Edward S. Wright

20080252176 - Electroactive polymer torsional device: The present invention relates to mechanical-electrical power conversion systems. The systems comprise one or more electroactive polymers that convert between electrical and mechanical energy. When a voltage is applied to electrodes contacting an electroactive polymer, the polymer deflects. This deflection may be converted into rotation of a power shaft included... Agent: Beyer Law Group LLP

20080252177 - Indexing dithering mechanism and method: Dithering mechanism and method for eliminating the effects of zero-rate bias in a rate sensor or gyroscope. Both continuously moving and indexing embodiments are disclosed. The mechanism includes a first part mounted in a fixed position centered about a dither axis perpendicular to the input axis of the gyroscope, a... Agent: Edward S. Wright

20080252178 - Contour resonator: A contour resonator at least includes a first vibrating substrate and a second vibrating substrate having main surfaces that face each other and are bonded. The contour resonator includes a first excitation electrode provided on a front main surface of the first vibrating substrate, a second excitation electrode provided on... Agent: Oliff & Berridge, PLC

20080252179 - Piezoelectric element and method for manufacturing the piezoelectric element: A piezoelectric element includes a piezoelectric ceramic body containing an internal electrode. The piezoelectric ceramic body is mainly made of a perovskite complex oxide containing an alkali metal niobate-based compound containing at least one element selected from among K, Li, and Na. The internal electrode is made of a base... Agent: Dickstein Shapiro LLP

20080246349 - Drive guide apparatus: The present invention provides a drive guide apparatus capable of ensuring an increased lifetime by preventing heat generated from a primary side of a linear motor from being transferred to a rail or a moving member of a guide mechanism to which the primary side of the linear motor is... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080246346 - Electromagnetic device for converting mechanical vibrational energy into electrical energy: An electromagnetic generator comprising two magnets and a coil disposed therebetween, the two magnets being configured to define therebetween a region of magnetic flux in which the coil is disposed whereby relative movement between the coil and the magnets generates an electrical current in the coil, and a vibratable first... Agent: Carstens & Cahoon, LLP

20080246348 - Ironless magnetic linear motors having levitating and transversal force capacacities: A ironless magnetic motor (21-23) employs a magnetic track (30) and a forcer (40). The forcer (40) is orientated a magnetic field (β) across a linear air gap of the magnetic track (30) to generate a drive force (FX) parallel to the X drive axis and orthogonal to the Z... Agent: Philips Intellectual Property & Standards

20080246347 - Linear motor and machine tool having the same mounted thereon: The present invention provides a linear motor that uses a plurality of cylindrical linear motors to increase power and to enable a compact configuration. A linear motor 1 includes a plurality of cylindrical linear motors 2 each having a shaft member 3 made or a permanent magnet and a coil... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080246350 - Secondary part of a linear electrical machine, and method for its production: The invention relates to a secondary part (2, 3) of a linear electrical machine (5), wherein the secondary part (2, 3) has permanent magnets (11) and a mount (13). The secondary part (2, 3) has spacer elements (9), wherein an installation height of the secondary part (2, 3) is also... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20080246352 - Cylinder-type linear motor and moving part thereof: The present invention provides a cylinder-type linear motor capable of shortening the total motor length with respect to a predetermined stroke length and capable of being operated as a brushless DC motor without a sensor means for sensing the position of a moving part being added in the axial direction.... Agent: Myers Bigel Sibley & Sajovec

20080246351 - Cylinder-type linear motor and moving parts thereof: The present invention provides a cylinder-type linear motor capable of shortening the total motor length with respect to a predetermined stroke length and capable of being operated as a brushless DC motor without a sensor means for sensing the position of a moving part being added in the axial direction.... Agent: Myers Bigel Sibley & Sajovec

20080246353 - Voice coil motor device for positioning: A voice coil motor device for positioning is disclosed. The voice coil motor device for positioning includes a fixed element, a moving element and a connector. The moving element is movably disposed on the fixed element. One end of the connector is connected with the fixed element and the other... Agent: Nikolai & Mersereau, P.A.

20080246354 - Dynamoelectric coil portion insulating construction: A stator coil 24 is installed in a stator core 11, and an insulating resin is impregnated into slot portions 22 and hardened. The stator coil 24 is constituted by enameled wires in which a polyamideimide resin layer has been applied radially outside a copper wire and hardened, and the... Agent: Sughrue Mion, PLLC

20080246374 - Electromotive servodrive for vehicles: In the case of an electromotive auxiliary drive for vehicles, particularly for windscreen wiper drives or adjustment drives for vehicle elements with a secondary transmission for the electromotor, with at least one magnetic sensor, which acts in conjunction with a signal transmitter or permanent magnet arrangement formed of at least... Agent: Osha Liang L.L.P.

20080246373 - Generating electromagnetic forces: An electromagnetic actuator includes a body having a rotational axis, a first pole adjacent an end facing surface of the body, and a second pole adjacent a lateral facing surface of the body. The poles are adapted to communicate magnetic flux with the body. The body, the first pole, and... Agent: Fish & Richardson P.C.

20080246355 - Self-powered mobile electrical power hub: Self-powered mobile electrical power hubs are provided. In one embodiment, a self-powered electrical power hub comprises an internal combustion engine driven generator that provides electrical power and at least one electrically powered transport driver configured to facilitate movement of the self-powered mobile electrical power hub. The self-powered mobile electrical power... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20080246356 - Slim type vibration motor: A slim type vibration motor is provided. The slim type vibration motor includes a case, a shaft, a rotor, a printed circuit board, and a plurality of coils. The shaft has at least one end thereof fixed to a central portion of the case. The rotor rotates about the shaft... Agent: Saliwanchik Lloyd & Saliwanchik A Professional Association

20080246357 - Motor having a thrust system: An electric motor includes a stator and a rotor having a rotor shaft with a longitudinal axis. The rotor shaft has a locating groove formed substantially continuously around the rotor shaft. The locating groove has a base and a pair of opposing sidewalls. The base is arranged substantially parallel to... Agent: Maginot, Moore & Beck, LLP Chase Tower

20080246358 - Magnetic bearing spindle device for machine tool: The control device displaces the main shaft in the axial direction and in the radial direction within the range of the gap between the rib member of the main shaft and the axial magnetic bearing and the gap between the main shaft and the radial magnetic bearings, by controlling the... Agent: Mcginn Intellectual Property Law Group, PLLC

20080246359 - Motor and drum washing machine having the same: Disclosed are a motor and a drum washing machine having the same. The motor includes external stators and internal stators, which are respectively disposed in a ring shape and are separated from each other in a radial direction, and rotors, which are disposed in a ring shape and are rotatably... Agent: Staas & Halsey LLP

20080246360 - Direct current motor: A slide surface of each segment defines a plane orthogonal to an axial direction of a direct current motor. A power supply brush is pressed against and contacted with the slide surface. The power supply brush includes a main brush and a sub-brush. The sub-brush has electrical resistance that is... Agent: Akerman Senterfitt

20080246361 - Power generation device: A device with the ability to harness electrical power utilizing magnetic arrays and electrically charged particulate to produce electrical power is provided. The present invention provides a device and system whereby the device may utilize a magnetic array to produce a electronic field that may collected in the form of... Agent: Rutan & Tucker, LLP.

20080246362 - Radial airgap, transverse flux machine: A radial gap, transverse flux dynamoelectric machine comprises stator and rotor assemblies. The rotor assembly comprises at least two axially spaced, planar rotor layers having equal numbers of magnetic poles of alternating polarity disposed equiangularly about the rotor peripheral circumference. A magnetically permeable member optionally links adjacent rotor magnets. The... Agent: Ernest D. Buff Ernest D. Buff And Associates, LLC.

20080246363 - Controller of electric motor: The controller of the electric motor (3) of the axial air-gap type has a rotor (11) having a permanent magnet, and a first stator (12a) and a second stator (12b) oppositely arranged through the rotor (11) in a rotation axis direction of the rotor (11); wherein the controller includes a... Agent: Arent Fox LLP

20080246364 - Phase insulator: A phase insulator for a stator of a motor insulates between stator coils. The stator has plural stator coils inserted in slots in a stator core. The phase insulator insulates stator coils from each other. The phase insulator includes insulating sheet portions and bridge portions. The insulating sheet portions are... Agent: Morgan & Finnegan, L.L.P.

20080246365 - Mp-a and mp-t machines, multipolar machines for alternating and three-phase currents: A machine (FIG. 3B) includes inner and outer stator (5 and 6) and a rotor (2) located therebetween. The rotor includes a wall with a constant thickness and an elongates S-ribbon (172) overlapping the gaps in the wall of the rotor.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080246366 - Electric generator: Methods, compositions, and apparatus for generating electricity are provided. Electricity is generated through the mechanisms nuclear magnetic spin and remnant polarization electric generation. The apparatus may include a material with high nuclear magnetic spin or high remnant polarization coupled with a poled ferroelectric material. The apparatus may also include a... Agent: Kirton & Mcconkie

20080246367 - Tuned laminated piezoelectric elements and methods of tuning same: A piezoelectric element comprises a piezoelectric ceramic wafer bonded to a substrate, with a surface profile of the substrate being non-uniformly configured to affect the spring rate of the piezoelectric element. For example, in one example embodiment the substrate has its profile configured so that its stiffness is modified or... Agent: Nixon & Vanderhye, PC

20080246368 - Integration of dissimilar materials for advanced multfunctional devices: A device including a layered heterostructure with an oxygen-containing material, with a carbon layer and an amorphous oxygen diffusion barrier protecting the carbon layer from etching by oxygen. One or more of a metal, a carbide or an oxide may be in contact with the amorphous oxygen diffusion barrier that... Agent: Harry M. Levy Emrich & Dithmar, LLC

20080246369 - Clip: A clip for securing a sleeve to the body of a piezoelectric actuator in an actuator assembly. The clip takes the form of a band and has at least a first and a second stable state. The minimum separation of the walls of the band when the clip is in... Agent: Delphi Technologies, Inc.

20080246370 - Actuator for the drive train of a motor vehicle: An actuator for the drive train of a motor vehicle for the automation of a manual gearbox. The invention is characterized in that the actuator is produced from an electrostrictive material.... Agent: Davis Bujold & Daniels, P.l.l.c.

20080246371 - Ultrasonic motor and electronic device using the same: Disclosed is an ultrasonic motor whose output is improved by enhancing the exciting force of a vibration caused on a vibrating body having a rectangular portion. The ultrasonic motor includes the vibrating body having a piezoelectric element, and a moving body which contacts the vibrating body. The phases of two... Agent: Bruce L. Adams, Esq Adams & Wilks

20080246372 - Device and method for influencing vibration of a planar element: The invention is a device for influencing the vibration of a planar element having two opposite surfaces and a neutral fiber plane running between the two surfaces including at least one actuator and at least one sensor which each are provided with transducer materials and are connected to at least... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080238217 - Fault-tolerant permanent magnet machine with reconfigurable flux paths in stator back iron: A permanent magnet (PM) machine has a fault condition mechanism disposed within a back iron of the stator portion, the mechanism operational to automatically reduce fault currents associated with the PM machine during a fault condition. The fault condition mechanism disposed within the stator back iron is reconfigurable to automatically... Agent: General Electric Company Global Research

20080238218 - Electromagnetic moving system: An electromagnetic moving system comprises a stator, a moving body and a controller. The stator comprises a circuit board with two layers of electrically connected coil windings spaced apart in a series way and made as spirals with center and peripheral points. The spirals of one layer are shifted in... Agent: Edward Lopatinsky

20080238219 - Rotor and method for manufacturing the same: A rotor includes a rotor core made of a magnetic material, a receiving portion provided at the rotor core, a magnet accommodated in the receiving portion, a first end plate provided at a first end portion of the rotor core, a second end plate provided at a second end portion... Agent: Buchanan, Ingersoll & Rooney PC

20080238220 - Fault-tolerant permanent magnet machine with reconfigurable stator core slot flux paths: A permanent magnet (PM) machine has a reconfigurable fault condition mechanism disposed solely within a stator core portion, wherein the mechanism is automatically reconfigurable to reduce fault currents associated with the PM machine during a fault condition. The reconfigurable fault condition mechanism is automatically reconfigurable to also reduce internal heat... Agent: General Electric Company Global Research

20080238265 - Stepping motor and rotor: A stepping motor has a stator and a rotor disposed to surround the stator. The rotor has an annular magnet which has a plurality of magnetic poles formed along a circumference thereof, and a comb-teeth-shaped back yoke which is disposed to surround the magnet and has a plurality of comb... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080238221 - Soundproof type engine generator: A soundproof type engine generator has a first external air inlet and a second external air inlet formed on a soundproof case K. A first cooling passage guides external air drawn in through the first external air inlet through a duct to a first fan, then from the first fan... Agent: Knobbe Martens Olson & Bear LLP

20080238222 - In-shaft reverse brayton cycle cryo-cooler: An in-shaft cryogenic cooler mounts entirely within the shaft of a dynamoelectric machine that has a rotor comprising a high temperature superconductor.... Agent: Hamilton Sundstrand Corporation

20080238223 - Spray cooled motor system: A spray cooled motor system with a motor housing with an interior and an exterior, a stator mounted within the interior of the motor housing, a rotor mounted within the interior of the motor housing, a coil winding mounted within the interior of the motor housing, a plurality of atomizers... Agent: Wells St. John P.s.

20080238224 - Electrical appliance: The invention relates to an electric appliance (1) which comprises a machine module (2) provided with an electric machine (3) comprising a stator (4) and a rotor. A machine housing (7) of the machine module (2) receives the electric machine (3). A cooling module (19) comprises a cooling housing (21),... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20080238266 - Axial gap type engine driven generator: An axial gap type generator which is shorter in axial length and lightweight is provided. An axial gap type engine driven generator in an axial gap type generator formed by an armature and a field magnet disposed in a housing along an axial direction of a drive shaft 100 includes... Agent: Jacobson Holman PLLC

20080238267 - Encoder arrangement on a direct current motor: An encoder arrangement of a direct current motor, having an encoder housing, an encoder disk, a circuit board arranged perpendicular in reference to an motor shaft with an optic sensor encompassing the encoder disk in a U-shaped manner, and a connection plug aligned parallel to the motor shaft. The encoder... Agent: Jacobson Holman PLLC

20080238268 - Brushless automotive alternator having easily-replaceable protective resistor: A brushless alternator includes a stationary field winding, a rotor, a stator, a rectifier, a terminal, and a protective resistor. The stationary field winding creates a magnetic flux. The rotor creates a rotating magnetic field with the magnetic flux created by the field winding. The stator includes three different-phase windings... Agent: Oliff & Berridge, PLC

20080238226 - Stator and gap winding motor using the same: A so-called gap winding motor capable of preventing a rotation detector from being affected by noise generated by a stator coil connection portion and decreasing the size and cost is provided. The gap winding motor comprises a stator including a stator core, a plurality of stator coils arranged on an... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080238225 - Terminal device for vehicle ac generator: A terminal device for a vehicle AC generator including a common base terminal group 100A1 having a plurality of terminals and an external connector terminal 200A1 formed by integrating a plurality of individual connector terminals having connecting terminals with respect to the external device at one ends thereof and having... Agent: Sughrue Mion, PLLC

20080238227 - Electric motor: The present invention relates to a sliding-contact holder (8) for an electric motor, which has a cylindrical motor housing (1), a front housing cover (2), a rear housing base (3), a rotor shaft (4), a rotor (5), a commutator (6), a stator (7) and a sliding-contact holder (8). The sliding-contact... Agent: Michael Best & Friedrich LLP

20080238228 - Magnetic shaft of a cooling fan: The present invention provides an improved structure of the magnetic shaft of a cooling fan. A magnetic attraction component is comprised of a magnetic ring, a magnetic inductive bottom board, and a magnetic inductive ring. The magnetic field generated by the magnetic ring is guided from the upper and lower... Agent: Egbert Law Offices

20080238229 - Motor: A motor may include a rotor provided with a rotor shaft, a cylindrical bearing made of resin material and provided with a bearing part for rotatably supporting a shaft end of the rotor shaft, and a bearing holder provided with a through-hole into which the cylindrical bearing is inserted. The... Agent: Cantor Colburn, LLP

20080238230 - Motor: A motor includes a shaft that serves as a rotation center when a rotor is rotated with respect to a stator, a bearing that supports the shaft in a circumferential direction of the shaft, a thrust bearing that supports one end of the shaft in a thrust direction of the... Agent: Sonnenschein Nath & Rosenthal LLP

20080238231 - Mounting device and method for positioning a motor within an image forming apparatus: The application includes various embodiments of devices and methods for mounting a motor within an image forming apparatus. The motor is mounted on a frame and positioned to engage and drive a component within the image forming apparatus. In one embodiment, the component is an imaging unit. The frame includes... Agent: John J. Mcardie, Jr. Lexmark International, Inc.

20080238232 - Motor, rotor structure and magnetic machine: A motor includes a stator having first and second armatures to form a rotating magnetic field, an inner rotor having first and second permanent magnets, and an outer rotor arranged between the stator and the inner rotor. The outer rotor has a rotor body which supports first and second induction... Agent: Squire, Sanders & Dempsey L.L.P.

20080238233 - Fault-tolerant permanent magnet machine with reconfigurable stator core slot opening and back iron flux paths: A permanent magnet (PM) machine includes a plurality of reconfigurable fault condition mechanisms disposed within a stator core portion, the plurality of reconfigurable fault condition mechanisms together automatically reconfigurable to reduce fault currents and internal heat associated with the PM machine during a fault condition. The plurality of reconfigurable fault... Agent: General Electric Company Global Research

20080238234 - Segmented permanent magnet rotor for high speed synchronous machines: The segmented permanent-magnet rotor for high-speed synchronous machines reduces eddy-current losses by axially segmenting the containment sleeve and the permanent magnets. The axial segmentation of the containment sleeve includes forming grooves circumferentially around the outer surface of the containment sleeve. The circumferential grooves disrupt the generation of eddy currents on... Agent: Kinney & Lange, P.A.

20080238235 - Motor and compressor using the same: A self-starting permanent magnet synchronous motor which demonstrates satisfactory acceleration performance even at a reduced supply voltage or with an increased load torque, and a compressor using the same. The motor comprises a stator having a stator winding and a rotor having a cage winding and a permanent magnet on... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080238237 - Induction machine: An induction machine has a stator and rotor. The stator comprises teeth and slots and stator winding disposed in the slots. The rotor comprises a rotor core having teeth and slots and a rotor-conductor disposed in the rotor slots. Both of the stator core and rotor core are made of... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080238236 - Switched reluctance machine: A switched reluctance machine is provided. The switched reluctance machine has a rotor including a rotor core, where the rotor core includes multiple laminated sheets, each of the laminated sheets including multiple ferromagnetic regions and multiple non-ferromagnetic regions formed of a single material. The ferromagnetic and the non-ferromagnetic regions are... Agent: General Electric Company Global Research

20080238238 - Apparatus and process for generating energy: Energy is generated by an apparatus and process which utilize magnetic forces to move a rotor in a circular direction to turn a rotor shaft. This apparatus and process convert magnetic energy into mechanical force, kinetic energy or electrical energy.... Agent: Baker, Donelson, Bearman, Caldwell & Berkowitz

20080238239 - Coil member, motor and manufacturing method for coil member: A coil member such as a coil bobbin may include a cylindrical drum part around which a coil is to be wound in a circular shape. The cylindrical drum part is formed by two molding dies and a flat face part is formed on an outer peripheral face of the... Agent: Cantor Colburn, LLP

20080238240 - Rotary electric machine: A rotary electric machine according to present invention comprises a rotor and a stator disposed around the rotor in which the stator includes a stator core having, along its inner periphery region, a plurality of axially extending stator slots and an armature winding wound through the stator slots. In this... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080238241 - Commutator motor and electric vacuum cleaner using the same: An efficient and high-performance commutator motor in which both torque enhancement and iron loss reduction are achieved is provided by ensuring a sufficient area occupied by field windings wound on main poles and further suppressing the influence of armature counteractive magnetic flux and reducing pulsating torque. The commutator motor includes... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080238242 - Dynamoelectric machine: The dynamoelectric machine includes: a Lundell rotor that has: a pole core in which tapered claw-shaped magnetic pole portions are arranged in rows circumferentially so as to extend axially alternately from two axial ends and intermesh with each other; and a field coil that is mounted to the pole core;... Agent: Sughrue Mion, PLLC

20080238243 - Commutator for an electric machine: A commutator for an electric machine with commutator bars, wherein on one side of the commutator which faces a rotor winding, at least one angled retaining element is formed on at least one commutator bar in order to switch contact conductors of the rotor winding, as well as to connect... Agent: Continental Teves, Inc.

20080238244 - Optimized energy conversion device: A variable capacitance device including at least one first fixed electrode and a second electrode free to move with respect to the fixed electrode, each electrode including a body and protuberances projecting from at least one face of the body. Each electrode is arranged such that the faces of each... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080238246 - Electromechanical actuator: An actuator includes a frame and a shaft rotabably supported by the frame. The actuator also includes at least one wire made from a shape memory alloy having a first end thereof fixed with respect to the frame. A second end of the at least one wire is movable with... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20080238245 - Piezoelectric switch with symbolic illumination: An element for an illuminated piezoelectric switch, comprises a substantially lens-like body having a first major surface and a second major surface, an illumination input at the first major surface, and a protrusion extending from the second major surface. The protrusion is integral to the construction of the lens. When... Agent: Martin D. Moynihan Prtsi, Inc.

20080238247 - Piezo-electric motor: In a piezo-electric motor with alternately electrically actuated clamping piezo packs arranged between a reference part and a drive part and with two stepping piezo packs arranged in an opposite sense and assigned to each clamping piezo pack or to one clamping piezo pack or a support structure, the stepping... Agent: Klaus J. Bach & Associates Patents And Trademarks

20080238250 - Driving apparatus, lens driving apparatus and image pickup apparatus: A driving apparatus comprises an actuator, the actuator comprising an electromechanical conversion element and a driving shaft attached to the electromechanical conversion element, wherein the driving apparatus expands and contracts the electromechanical conversion element by applying a driving signal to the electromechanical conversion element and reciprocally moves the driving shaft... Agent: Birch Stewart Kolasch & Birch

20080238251 - Driving apparatus, lens driving apparatus and image pickup apparatus: A driving apparatus comprises an actuator, the actuator comprising an electromechanical conversion element and a driving shaft attached to the electromechanical conversion element, wherein the driving apparatus expands and contracts the electromechanical conversion element by applying a driving signal to the electromechanical conversion element and reciprocally moves the driving shaft... Agent: Birch Stewart Kolasch & Birch

20080238248 - Multi-layer piezoelectric actuators with conductive polymer electrodes: A multi-layer piezoelectric actuator with conductive polymer electrodes is described. The piezoelectric actuator comprises a stack of alternating conductive electrode layers and piezoelectric layers. The conductive electrode layers are comprised of a polymeric electrically conductive material. A device for cooling by forced-air convection may comprise the piezoelectric actuator, a fan... Agent: Intel/bstz Blakely Sokoloff Taylor & Zafman LLP

20080238249 - Piezoelectric motor and piezoelectric motor system: A piezoelectric motor includes: a plurality of piezoelectric units, respectively in contact with a driven target, disposed separately from each other, and configured to drive the driven target; and a magnet configured to apply a preload force to each of the plurality of piezoelectric units by magnetically attracting the driven... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080238252 - Piezoelectric resonant power generator: A power generation system includes a piezoelectric component, a resilient stress inducer in operable communication with the piezoelectric component, and an actuator in operable communication with the resilient stress inducer to energize and release the resilient stress inducer and method for generating power.... Agent: Cantor Colburn, LLP

20080238253 - One-way rotational transfer mechanism, and ultrasonic rotary drive device incorporating one-way rotational transfer mechanism: A one-way rotational transfer mechanism includes a rotary input member; a holding member including an axially orthogonal surface to the axis; a hollow-cylindrical rotary output shaft positioned coaxially around the rotary input member to be rotatable relative to the rotary input member, and including a cylindrical inner peripheral surface; a... Agent: Greenblum & Bernstein, P.L.C

20080238254 - Screw thread driving polyhedral ultrasonic motor: A screw thread driving polyhedral ultrasonic motor includes a stator, a rotor and multiple piezoelectric plates being bonded to the stator or the rotor. The stator and the rotor have screw threads matched with each other. The stator and the rotor are connected via the screw threads.... Agent: Nutter Mcclennen & Fish LLP

20080238255 - Vibration assisted machining system with stacked actuators: A vibration assisted machining (VAM) system, including: a frame; a vibration element mechanically coupled to the frame; a cutting tool holder connected to the vibration element; and a workpiece holder coupled to the frame. The vibration element includes a first piezoelectric (PZT) actuator and a second PZT actuator, which are... Agent: Ratnerprestia

20080238258 - Actuator: To provide an actuator which is easily made a small size and flexible, and has a large displacement. The actuator comprises a rod-shaped actuator element, having one axial end thereof fixed, including a dielectric film made of a dielectric elastomer and a plurality of electrodes arranged via the dielectric film,... Agent: Oliff & Berridge, PLC

20080238256 - Dual direction rake piezo actuator: Methods and apparatus relating to use and/or provision of a rake piezo actuator are described. In one embodiment, a piezo patch may be coupled to a plurality of blades (e.g., to cause the blades to oscillate and provide air flow between fins of one or more heat sinks). Other embodiments... Agent: Caven & Aghevli C/o Intellevate, LLC

20080238257 - Mems device and portable communication terminal with said mems device: It is made possible to provide a MEMS device that has a low operation voltage, a large contact pressure force, and a large separation force. A MEMS device includes: a substrate; a supporting unit that is provided on the substrate; a fixed electrode that is provided on the substrate; an... Agent: Amin, Turocy & Calvin, LLP

20080238259 - Ultrasonic probe and production method thereof: An ultrasonic probe realizing a high sensitivity and a wide band thereof while miniaturizing a transducer and also taking into consideration a measure against generated heat. The ultrasonic probe includes: a backing material; a transducer array having a multi-layered structure in which a plurality of transducers are arranged in a... Agent: Sughrue Mion, PLLC

20080238260 - Hybrid piezoelectric energy harvesting transducer system: A hybrid piezoelectric energy harvesting transducer system includes: (a) first and second symmetric, pre-curved piezoelectric elements mounted separately on a frame so that their concave major surfaces are positioned opposite to each other; and (b) a linear piezoelectric element mounted separately on the frame and positioned between the pre-curved piezoelectric... Agent: Kaufman & Canoles

20080238261 - Piezoelectric element and its manufacturing method: A piezoelectric element includes: a base substrate; a lower electrode provided on the base substrate; a piezoelectric layer provided on the lower electrode; an upper electrode provided on the piezoelectric layer; and a protection layer that covers a side surface of the piezoelectric layer, wherein the protection layer is formed... Agent: Edwards Angell Palmer & Dodge LLP

20080238263 - Piezoelectric actuator, method of manufacturing same, and liquid ejection head: The piezoelectric actuator comprises: a supporting substrate; a thermal stress controlling layer which is formed on the supporting substrate; and a piezoelectric body which is formed as a film onto the thermal stress controlling layer on the supporting substrate at a higher temperature than room temperature, wherein the thermal stress... Agent: Birch Stewart Kolasch & Birch

20080238262 - Ultrasonic probe: An ultrasonic probe includes piezoelectric elements each including grooves parallel to each other and arrayed in a direction substantially parallel to the grooves, and a mixed member which is to fill the grooves and obtained by mixing in a nonconductive resin member a nonconductive granular substance with a coefficient of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080238264 - Multi-layer piezoelectric element and method for manufacturing the same: The multi-layer piezoelectric element comprises a stack having an active portion constituted from at least one piezoelectric layer and a plurality of internal electrodes consisting of first and second internal electrodes placed one on another, the active portion being subjected to expansion and contraction in response to a voltage applied... Agent: Hogan & Hartson L.L.P.