Electrical generator or motor structure inventions 03/07

20070069591 - Tubular electrical machines: A stator for a tubular electrical generator or motor has a substantially cylindrical inner surface containing a series of axially-spaced slots for receiving the coils of a stator winding. The stator is formed from a plurality of stacked annular laminations that define the slots and the inner surface. The laminations... Agent: Kirschstein, Ottinger, Israel & Schiffmiller, P.C.

20070069592 - Stepper motor driven proportional actuator: A low energy stepper motor driven actuator that eliminates the need for a position sensor is provided. The stepper motor rotates a cam in a control piston valve. The cam rotation increases the gap between the cam and nozzle on one side of the cam and decreases the gap between... Agent: Reinhart Boerner Van Deuren P.C.

20070069593 - Rotating electrical machine, such as an alternator, particularly for an automobile: The invention relates to a rotating electrical machine, provided with a stator, a cooling device comprising at least one fan that initiates a coolant flow in order to cool and evacuate, to the outside, the heat produced in the machine comprising at least one heat pipe having at least one... Agent: Osha Liang L.L.P.

20070069594 - Self-centering hub for timing discs: A self-centering hub, more particularly for timing discs of encoders, stepping motors, spinning roller drives and the like, comprising a hub plate for fixing timing discs or code carriers and a slotted hub shank for being slipped on to the shaft end of an input or output unit. The abstract... Agent: Nils H. Ljungman & Associates

20070069595 - Motor having control circuit member: A first heat releasing member, which is made from a metal plate material, is fitted into a circuit receiving recess, which receives a control circuit member. A second heat releasing member, which is made from a metal plate material and includes a resilient contact portion, is placed over the first... Agent: Posz Law Group, PLC

20070069596 - Seal for generator: The seal devices on both ends of the rotary shaft are supported by the casing, the bearing on one end of the rotary shaft is supported by a bearing pedestal which is separated of the casing, the bearing on the other end of the rotary shaft is supported by the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070069597 - Fuel-cell compressed-air supplying device: A fuel-cell compressed-air supplying device 6 includes a centrifugal compressor 12 provided in a casing 11 and a bearing device 14 for supporting a rotation shaft 13 of the compressor 12. The bearing device 14 includes a pair of radial foil bearings 21 and 22 provided coaxially with the rotation... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070069598 - Magnetic bearing device: An electromagnet configured to contactlessly support a body includes an excitation amplifier configured to supply excitation current to the electromagnet, a carrier wave generation device, and a sensor configured to modulate the carrier wave and to output a sensor signal. An A/D conversion device is included for converting the sensor... Agent: Kanesaka Berner And Partners LLP

20070069599 - Stator structure for a rotation detector: In a stator structure for a rotation detector according to the present invention, a stator body is formed by rotating a plurality of annular stator pieces by a predetermined angle for each stator piece and laminating them, and a resin-molded frame body having a mounting ear is disposed on an... Agent: Sughrue Mion, PLLC

20070069600 - Electric generator: An electric generator 10 of the present invention comprises a permanent magnet 14, a coil 30, a yoke 20, and attracted means 19 composed of a plurality of attracted pieces 18 which are arranged radially around the rotation axis 12 and are magnetized by the permanent magnet 14. The permanent... Agent: Milde & Hoffberg, LLP

20070069601 - Rotor for an electrical motor: The present invention provides to a rotor having a short circuit ring of an electrically conductive material. The short circuit ring has a curved outer surface whereby the eddy-current braking effect on the rotor caused by the stray field from the stator is reduced. The curved surface leads to an... Agent: Mccormick, Paulding & Huber LLP

20070069602 - Direct-current motor: A stator of a direct current motor includes six magnetic poles. An armature of the direct current motor includes an armature core having eight slots, a plurality of windings wound around the armature core as concentrated windings, and a commutator having twenty-four segments connected to the windings. The plurality of... Agent: Carstens & Cahoon, LLP

20070069603 - Short-circuiting member, commutator, and method of manufacturing short-circuiting member: A short-circuiting member for preventing a commutator from being elongated in the axial direction without increasing the types of different components. The short-circuiting member includes components, each having outer and inner circumferences. Each component includes outer circumference terminals arranged along the outer circumference, inner circumference terminals arranged along the inner... Agent: Carstens & Cahoon, LLP

20070069604 - Mems device comprising an actuator generating a hysteresis driving motion: A MEMS device is provided which includes a driven element having a series of teeth. The MEMS device includes a driving element operable to engage the driven element when the driving element is in a meshed position with the series of teeth. A driving actuator of the MEMS device is... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070069605 - Micro electromechanical device with stress and stress gradient compensation: Micro electromechanical devices and methods for designing such devices are disclosed. An example micro electromechanical device includes at least two anchors. The example device also includes a floating element. The floating element extends between the at least two anchors and includes a predetermined reference portion. In at least one predetermined... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20070069606 - Film bulk acoustic wave resonator, film bulk acoustic wave resonator filter and method of manufacturing film bulk acoustic wave resonator: The present invention provides a film bulk acoustic wave resonator (FBAR) filter that can keep the Q factor high. The FBAR filter comprises a first FBAR with a first resonant frequency and a second FBAR with a second resonant frequency, formed on a same substrate. The FBAR filter has such... Agent: Miles & Stockbridge PC

20070069607 - Light-emitting device: A light-emitting device, includes: an emitter sealed with a gas emitting light caused by a microwave; a high frequency power supply section including a diamond SAW oscillator and outputting a high frequency signal being output from the diamond SAW oscillator to a subsequent stage; and a waveguide unit emitting the... Agent: Oliff & Berridge, PLC

20070069608 - Thickness extensional piezoelectric resonator: An energy-trapping-type thickness extensional piezoelectric resonator using a thickness extensional vibration mode having first and second resonance electrodes formed on portions of the top surface and the bottom surface of a piezoelectric substrate that is polarized in the thickness direction thereof, respectively, in which a portion where the first and... Agent: Dickstein Shapiro LLP

20070069609 - Vibration wave driven apparatus and vibrator: A vibration wave driven apparatus which makes it possible to secure a required component accuracy obtained by machining and can increase a power ratio to the size of the apparatus. A plurality of contact parts are formed on one surface of an elastic vibration plate of a vibrator, and are... Agent: Rossi, Kimms & Mcdowell LLP.

20070069610 - Multi-layer electronic component and method for manufacturing the same, multi-layer piezoelectric element: In order to provide a multi-layer electronic component in which the occurrence of delamination between the ceramic layer and the internal electrode is restricted and a method for manufacturing the same, the multi-layer electronic component of the present invention comprises a stack formed by stacking piezoelectric layers and internal electrodes... Agent: Hogan & Hartson L.L.P.

20070069611 - Piezoelectric actuator, and apparatus and method for actuating the same: A linear actuator using a metal beam-type piezoelectric material, and an apparatus and a method for actuating the same. The piezoelectric actuator includes: a moving member having a predetermined length and moving in a forward or a backward direction; and a piezoelectric portion contacting the moving member and moving the... Agent: Drinker Biddle & Reath LLP Attn: Patent Docket Dept.

20070069612 - Piezoelectric resonator and adjustment method: A piezoelectric resonator having arms and excitation electrodes that generate flexural vibration in the arms. The piezoelectric resonator includes conductive paste containing metal particles dispersed on the surface of the arms as an additional mass.... Agent: Harness, Dickey & Pierce, P.L.C

20070063590 - Process system and device for transporting substrates: A process system contains a device for transporting substrates along a transport path. The device contains a bearing module and a drive module. The bearing module has a bearing stator with actuators embodied in the form of electromagnets and a bearing rotor with a ferromagnetic component. At least two of... Agent: Lerner Greenberg Stemer LLP

20070063591 - Driving device and light amount controller: A driving device which makes it possible to reduce the moment of inertia of a rotor and increase torque. A magnet is formed to have a hollow cylindrical shape and has magnetized sections which are magnetized to have alternately different poles in a circumferential direction thereof. A coil is wound... Agent: Rossi, Kimms & Mcdowell LLP.

20070063592 - Stator cooling system for a hybrid transmission: A cooling system for an annular stator housed within a transmission casing includes a first curved tube sufficiently sized to at least partially circumscribe the stator when the tube is placed within the casing. The first tube has a plurality of circumferentially spaced fluid openings. An intake conduit connects the... Agent: General Motors Corporation Legal Staff

20070063593 - Electric machine: An electrical machine, in particular a rotary current generator for motor vehicles, is proposed which has a housing (13) in which a stator (16) is retained, such that a coolant can flow around the outside of the stator (16) from one of its axial face ends (57) to a circumferential... Agent: Striker Striker & Stenby

20070063594 - Electric machine with centrifugal impeller: An electrical machine having a centrifugal compressor for producing a fluid flow to cool one or more portions thereof. In one embodiment, the fluid is separated into separate flows, each of the flows flowing through only a portion of an annular gap formed between a rotor and stator of the... Agent: Fish & Richardson P.C.

20070063595 - Electric machine and method of manufacture: An electric machine includes a rotor portion and a stator portion. The rotor portion comprises a plurality of magnets. The stator portion comprises a plurality of electromagnetic poles located at the external perimeter of the stator. A conductive winding is wrapped around the stator poles. The stator is ideally formed... Agent: Heller Ehrman LLP

20070063596 - Rotating electric machine and manufacturing method thereof: A rotating electric machine which includes: a stator having a stator core fixed inside a bottomed frame and a stator winding wound around the stator core; a bracket fixed to an opening side of the frame; a rotor having a shaft penetrating the bracket and rotatably supported by a bracket... Agent: Sughrue-265550

20070063597 - Engine starter with protective function against over current: In a starter for starting an engine having a motor to which starting current is supplied from a battery, the motor has a field coil for forming a magnetic field with the supply of current, and the starter has wiring for supplying current from the battery to the field coil.... Agent: Oliff & Berridge, PLC

20070063600 - Brushless dc motor and manufacturing method thereof: A brushless DC motor includes an embedded memory of a micro computer mounted on a circuit board which can be modified during and/or after a manufacturing process of the brushless DC motor. The circuit board installed on the brushless DC motor includes an IC having the embedded micro computer executing... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20070063599 - Electromechanical conversion device: An electromechanical conversion device includes an electromechanical conversion unit and a cable, which has a signal wire and a ground wire for grounding the electromechanical conversion unit. The electromechanical conversion unit performs a conversion between a relative movement with respect to a magnetic field generation unit and electrical signals, based... Agent: Nixon & Vanderhye, PC

20070063598 - Holder for winding wires for stators of electric motors: The invention relates to a holder for the winding wires for stators of electric motors consisting of a component to be disposed on the stator having means for holding and guiding the winding wires that run between the individual stator windings. According to the invention, the holder is designed as... Agent: Norman H. Zivin Cooper & Dunham LLP

20070063601 - Vibration motor: A vibration motor 100 of the present invention comprises a housing 100 having an outer housing 111 and an inner housing 115 being inwardly extended from the outer housing 111, a magnet 130 being formed longer than the inner housing 115 and being fixedly combined to an outer periphery surface... Agent: Staas & Halsey LLP

20070063602 - Vibration motor provided with a thin blocking body of a communtator's breakaway: The vibration motor 100 of the present invention comprises a housing 110, a rotating shaft 140 being rotatably installed in the housing 110 and having a recess 141 formed on an outer periphery thereof, a commutator 190 being fixedly combined with the shaft 140, and a blocking body 180 with... Agent: Staas & Halsey LLP

20070063603 - Integrated motor and controller assemblies for horizontal axis washing machines: A front loading washing machine includes an integrated motor and controller assembly. In various embodiment, the controller is mounted directly to one of a pair of opposing endshields of the electric motor and the endshields are mounted directly to a stator of the motor. Additional embodiments include a rotor shaft... Agent: Harness, Dickey, & Pierce, P.l.c

20070063604 - Axial magnetic bearing apparatus: In axial magnetic bearing apparatus in which a rotary disc made of a magnetic material is fixedly attached to a rotating shaft, and electromagnets are disposed on opposite sides of the rotary disc so as to have suitable very small distances therefrom respectively, so as to bear the rotating shaft... Agent: Sughrue-265550

20070063605 - Motor fastening mechanism and cam device: A motor-fastening mechanism fastens an output shaft of a motor and an input shaft of a driven member to each other. The motor-fastening mechanism has a fastening section which fastens the output shaft of the motor and the input shaft of the driven member relatively immovably, a motor-attachment member which... Agent: Edwards & Angell, LLP

20070063606 - Dual machine, and method of power generation and electromotive operation using the same: Disclosed is dual machine and method of power generation and electromotive operation. The dual machine includes a left and a right assembly. The left and right assemblies have first and second magnets, use magnetic current and force, and operate alternately varying polarity under control of a control device. When the... Agent: Ipla P.A.

20070063607 - Permanent magnet type rotating electric machine capable of suppressing deformation of rotor core: A rotor core is provided with a plurality of slits extending in the rotation shaft direction, independently of openings. The first slit is arranged at the center of the magnetic pole of the rotor core to be capable of absorbing stress acting on an inner circumferential surface of each opening... Agent: Oliff & Berridge, PLC

20070063608 - Rotor for a switched reluctance machine: A rotor for a switched reluctance machine has its main magnetic circuit provided by two mouldings of soft magnetic composite. The mouldings are substantially identical and fit together to form a magnetic circuit which, by virtue of its design, has a very low inductance in the unaligned position. The portions... Agent: Senniger Powers

20070063609 - Single field rotor motor: An electric motor having a single field rotor wherein the flux within the rotor is generated by magnetic means located at the end regions of the motor housing such that the flux within the motor rotor maintains a constant polarity.... Agent: Young & Basile, P.C.

20070063610 - Permanent magnet rotary motor: The present invention provides a permanent magnet rotary motor in which cogging torque can be reduced without largely reducing the torque. When an angle formed between two virtual lines respectively connecting a center of a rotary shaft and both ends of a first type connecting portion 21A is defined as... Agent: Rankin, Hill, Porter & Clark LLP

20070063611 - Electric motor with brush plate: An electric motor fixedly axially securable in a housing (1) includes a brush plate (5) with a plurality of axially projecting, uniformly circumferentially distributed, convexly shaped, locking segments (7) formed on the brush plate.... Agent: Abelman, Frayne & Schwab

20070063612 - Motor rotor having insulator including glass fiber: A motor rotor having an insulator coated on a contact surface of a core around which a coil is wound. The insulator is formed of plastic liquid on the exterior circumference of the core by insert molding, the plastic liquid including plastic and glass fiber heated and mixed at a... Agent: Thelen Reid & Priest, LLP

20070063613 - Thermoelastically actuated microresonator: A thermoelastically actuated microresonator device comprising: a main body (14) having a cantilevered beam (12); a heating element (20) located adjacent a surface of the cantilevered beam and adjacent the main body, that may be periodically actuated to generate a periodic heat gradient across a height of the beam, thereby... Agent: Pearl Cohen Zedek, LLP Pearl Cohen Zedek Latzer, LLP

20070063614 - Micro-oscillation element and method for driving the same: A micro-oscillation element includes a movable main section, a first frame and a second frame, and a first connecting section that connects the movable main section and the first frame and defines a first axis of rotation for a first rotational operation of the movable main section with respect to... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070063615 - Piezoelectric actuator, method of manufacturing piezoelectric actuator, and liquid ejection head: The piezoelectric actuator comprises: a substrate; a constraint force buffering layer which is formed on the substrate and made of a hardness control material having low hardness; and a piezoelectric element which is formed directly on the constraint force buffering layer.... Agent: Birch Stewart Kolasch & Birch

20070063616 - Ultrasonic transducer and its production method: An ultrasonic transducer comprising an transducer element, which includes a piezoelectric resonator oscillating in order to emit an ultrasonic wave and one or more acoustic matching layer(s), and an acoustic lens, wherein a gap area between the adjacent transducer elements is filled with the same constituent material as that of... Agent: Thomas Spinelli Scully, Scott, Murphy & Presser

20070063617 - Dynamic-quantity sensor: A piezoelectric-vibrator series circuit including two series-connected piezoelectric vibrators to which stresses induced by a dynamic quantity are applied in opposite directions is used, and a Colpitts oscillator circuit is defined by the piezoelectric-vibrator series circuit and an amplifier circuit/load impedance circuit. A phase-difference-to-voltage converter circuit is provided to convert... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070063618 - Ultrasonic transducer devices and methods of manufacture: The present invention provides for single use ultrasonic transducers for use in surgical and dental applications. Specifically, the invention provides transducers comprising one or more of the following features, an active piezo ceramic material that contains less than 2% lead; piezo materials with a low Curie temperature, a high compressive... Agent: Elaine C. Stracker

20070063619 - Resonant oscillating device actuator structure: A torsional hinged resonant device having an improved anchor support for providing inertia drive. The area by the anchors connecting the torsional hinges to the support member are thinned to have a reduced cross section. The reduced or thinned area increases flexibility such that less force is required to generate... Agent: Texas Instruments Incorporated

20070063620 - Process monitoring device and method for process monitoring at machine tools: In a process monitoring device for a machine tool, especially for multiple spindle heads of a machine tool, comprising at least one working spindle driving a tool, a bearing cap biasing the bearing of the working spindle against a spindle housing of the machine tool, sensors for measuring parameters representative... Agent: Vincent L. Ramik Suite 101

20070063621 - Power generator: A telemetry unit (100) is provided for mounting inside a pneumatic tyre. The unit (100) includes a piezoelectric power generator for supplying power to the unit (100). A piezoelectric element (114) is supported in a housing (112) with an actuator 136 arranged for contact with the element (114), to deflect... Agent: Alston & Bird LLP

20070063622 - Adjusted frequency temperature coefficient resonator: A temperature compensated pair of resonators. The temperature compensated pair of resonators comprises a first resonator configured to resonate at a first frequency and having a first frequency temperature coefficient and a second resonator configured to resonate at a second frequency and having a second frequency temperature coefficient. The second... Agent: Avago Technologies, Ltd.

20070063623 - Multilayer ceramic substrate, method for manufacturing the same, and piezoelectric resonator component: A multilayer ceramic substrate includes a multilayer composite including a first material layer including glass, a second material layer including a ceramic, disposed in contact with the first material layer, and an internal electrode including an electroconductive material, disposed in contact with at least one of the first material layer... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070057579 - Moving magnet type linear actuator: A stator of the linear actuator includes an armature 1 which is fixed onto a stator base 2 and has plural coils 11, and linear guide rails 6 arranged linearly so as to sandwich both sides of the armature 1; and a mover of the same includes a linear guide... Agent: Sughrue-265550

20070057580 - Annular stack of lamination elements: An annular stack of lamination elements for the stator of a linear electric motor, each lamination element (10) having two external axial extensions (12) and an internal axial extension (11) defined by two lamination portions (13, 14) to be mutually affixed and each presenting a respective seating region (15, 16),... Agent: Darby & Darby P.C.

20070057581 - Rotating magnetic field and fixed conducting wire coil generator: A system and method for generating power. A plurality of superconductive electromagnet pairs are disposed around a stationary coil in a circular pattern. The electromagnets of each respective electromagnet pair are positioned on opposing sides of the circular pattern. A control processor is connected to each electromagnet pair. When the... Agent: Furgang & Adwar

20070057582 - Magnetoelectric generator: In order to achieve the above object, according to one aspect of the present invention, there is provided a magnetoelectric generator including: a flywheel rotating around an axis of rotation; a plurality of magnets disposed on an inner peripheral surface of the flywheel and rotating together with the flywheel; a... Agent: Sughrue Mion, PLLC

20070057583 - Bearing failure identification system: A bearing failure detection system includes a thermal protector switch circuit having a wear strip located within an interior of a motor stator. In response to bearing failure or wear above a predetermined magnitude, the motor rotor will shift off its axis of rotation and wear away the wear strip... Agent: Carlson, Gaskey & Olds, P.C.

20070057584 - Voltage controller for alternator of vehicle: A voltage controller has a control circuit and a heat radiating member attached to the circuit. The circuit controls a voltage of electric power generated in an alternator of a vehicle while generating heat. The member has a first surface and a second surface. The second surface of the member... Agent: Oliff & Berridge, PLC

20070057585 - Motor housing for small form factor drives: The present invention is a motor housing. The motor housing includes a centrally located rotor. The motor housing includes a stator having a plurality of stator teeth and a plurality of stator slots radially and symmetrically arranged about the rotor. Each stator tooth is spaced apart from each other by... Agent: Seagate Technology LLC C/o Westman Champlin & Kelly, P.A.

20070057586 - Rotor, vibration motor having the same, and fabrication method thereof: A rotor, vibration motor having the same, and fabrication method thereof are disclosed. A rotor according to an embodiment of the invention comprises a first layer on which are formed a plurality of commutators, a second to an n-th layer—wherein n is 4 or greater—on which are formed a plurality... Agent: Staas & Halsey LLP

20070057587 - Environmental protection start system free of energy source: The present invention provides an environmental protection start system free of energy source, including at least a magnetic movable set, a magnetic cathode transmission gear set and a small amplification transmission gear set. A negative pole of the magnetic movable set is moved towards the magnetic cathode transmission gear set,... Agent: Jue-fu Lin

20070057588 - Electric tool: A stator, in which a rotor is rotatably accommodated, is provided with a cylindrical yoke and a magnet which is arranged so as to extend along an inner circumference of the yoke, and has a plurality of magnetic poles generating a magnetic field operable to rotate the rotor. A tip... Agent: Oliff & Berridge, PLC

20070057589 - Interior permanent magnet rotor and interior permanent magnet motor: An interior permanent magnet rotor which reduces rotor loss when used in combination with a concentrated winding stator is provided. A rotor 20 is an interior permanent magnet rotor formed with permanent magnets 23a and 23b embedded inside a rotor core 22. In the rotor 20, in the rotor core... Agent: Oliff & Berridge, PLC

20070057590 - Dynamoelectric stator: First and second lead portions of an a-phase winding, a b-phase winding and a c-phase winding are each led out from a rear-end coil end group, and subsequently led around circumferentially along an apex portion of the rear-end coil end group so as to be separated from the apex portion.... Agent: Sughrue Mion, PLLC

20070057591 - Electomagnetic motor: In order to achieve a higher level of efficiency and greater output without complicating the manufacturing process or increasing production costs, an electromagnetic motor according to the present invention adopts a Δ connection structure, which includes a u-phase coil winding unit, a v-phase coil winding unit and a w-phase coil... Agent: Rader Fishman & Grauer PLLC

20070057592 - Redundant windings with current limiting means for electric machines: An electric machine comprises a rotor assembly and a stator assembly adjacent the rotor assembly. The stator assembly includes windings disposed around a plurality of teeth, with each phase of the winding including at least one pair of coils wrapped in opposite directions around adjacent teeth to induce mutual inductance... Agent: Wiggin And Dana LLP Attention: Patent Docketing

20070057593 - Power generating system: A small power generating system includes a turbine driven by a fluid, a power generator including a permanent magnet rotor having a permanent magnet and rotated together with the turbine and a plurality of stator coils each of which is comprised of a coreless coil, the rotor being rotated such... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070057594 - Brush for vibration motor: A brush for a vibration motor is disclosed. A brush in contact with a flat commutator for supplying a current, comprises a plurality of arms in contact with the flat commutator in substantially the same plane, and a support portion, which forms an electrical connection with a current source, for... Agent: Staas & Halsey LLP

20070057595 - System for controlling an electrostatic stepper motor: A system to control the fixed mass/spring mechanical resonance of the motor in conjunction with a model of the motor that estimates the present position and allows the determination of the motor stator voltage pattern which will produce the requested output force. This approach effectively eliminates the electrical restoring force... Agent: Agilent Technologies Inc.

20070057596 - Ultrasonic motor: An ultrasonic motor is provided with a circular stator including a piezoelectric element and a comb teeth body and a circular rotor supported by a rotating shaft and disposed in close contact with the comb teeth body. The stator and the rotor are magnetized in opposite polarities to each other... Agent: Greenblum & Bernstein, P.L.C

20070057597 - Surface acoustic wave device and manufacturing method thereof: A surface acoustic wave device includes: an IDT electrode formed at a main surface of a piezoelectric substrate, an extraction electrode extracted from the IDT electrode; a surface acoustic wave chip having a metal junction formed along a periphery of the main surface of the piezoelectric substrate; a contact electrode... Agent: Oliff & Berridge, PLC

20070057598 - Piezoelectric motor allowing at least two degrees of freedom, in rotation and linear displacement: A motor (1) includes a stator (4) and a rotor (6), the stator including piezoelectric actuators (11,12,21) for maneuvering staples (30A, 30Z) maintaining the stator and its linear displacement (L) along a guide (2), the actuators serving to drive the rotor in rotation (R).... Agent: Young & Thompson

20070057599 - Film bulk acoustic resonator and method for manufacturing the same: A film bulk acoustic resonator includes a substrate having a through hole which is defined by an opening on a bottom surface of the substrate opposed to a top surface thereof. A width of the opening is larger than that at the top surface. A bottom electrode is provided above... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070057600 - Ultrasonic transducer and manufacturing method thereof: A technique capable of obtaining an ultrasonic transducer at high sensitivity in which a plurality of ultrasonic oscillators M1 each comprising a lower electrode fixed above a substrate, a diaphragm opposed to the substrate with a cavity being put therebetween, and an upper electrode disposed to the diaphragm are arranged... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070057602 - Condenser microphone and packaging method for the same: Disclosed is a silicone based condenser microphone comprising: a metal case which includes a sound hole, a board which is mounted with a MEMS microphone chip and an ASIC chip having an electric voltage pump and a buffer IC and is formed with a connecting pattern for joining with the... Agent: Keusey, Tutunjian & Bitetto, P.C.

20070057601 - Piezoelectric device for generating acoustic signal: There is provided a piezoelectric device for generating an acoustic signal in which an expansion mechanism expands a disposition of a laminated piezoelectric actuator by the principle of leverage. The mass of a base member placed in the expansion mechanism is larger than the mass of a vibration output member.... Agent: Oliff & Berridge, PLC

20070057603 - Electro-acoustic transducer device: In a semiconductor diaphragm type electro-acoustic transducer device having no necessity for a DC bias voltage applied as a result of a charge-stored layer being provide between electrodes, electro-mechanical conversion efficiency undergoes a change owing to time-dependent change in a quantity of stored electricity due to leakage of charge, and... Agent: Stanley P. Fisher Reed Smith LLP

20070057604 - Piezoelectric switch: A piezoelectric switch includes a piezoelectric element which is electrically connected to a printed circuit board by a pair of wires. A unitary plastic carrier is designed to retain both the piezoelectric element and the printed circuit board fixedly mounted thereon. In turn, the plastic carrier is sized and shaped... Agent: Kriegsman & Kriegsman

20070052301 - Apparatus for manipulation of an optical element: The invention relates to an apparatus for manipulation of an optical element (7) in up to six degrees of freedom with respect to a structure (8) via at least three actuator devices (9). The actuator devices (9) each have at least two force-controlled actuators, which each produce an effective force... Agent: Wells St. John P.s.

20070052303 - High performance linear motor and magnet assembly therefor: A magnet assembly includes a back iron and an array of magnets. The back iron is in the form of a plate having opposed surfaces. The magnets are arranged along one of the surfaces, with the other surface being dimensioned and configured according to the magnetic field distribution associated with... Agent: Rockwell Automation, Inc./(at)

20070052302 - Multiple magnet coil in gap generator: The present invention is an improved energy harvester or generator based on a yoked magnet array design based on a plurality of magnets arranged into at least two spaced apart linear or circular magnet arrays. The spaced apart magnet arrays are juxtaposed with each magnet in one array attractively interacting... Agent: Liner Yankelevitz Sunshine And Regenstreif

20070052305 - Electric machine provided with an internal stator: An electric machine is described herein. The machine includes an internal stator provided with a central opening. A generally cylindrical cooling assembly is mounted inside the central opening via a first key and keyway arrangement. The cylindrical cooling assembly is mounted to the casing of the electric machine via a... Agent: Quarles & Brady LLP

20070052304 - Multi-pattern high temperature superconducting motor using flux trapping and concentration: A high temperature superconducting synchronous motor having an inductor topology that increases the air gap flux density in direct relation to motor power density by trapping flux and concentrating it in the air gap to obtain more power in the same volume or smaller volume for the same power, and... Agent: Norris, Braden, Melton & Gregersen, Pllc

20070052306 - Brushless dc motor and stator thereof: A brushless DC motor and a stator thereof. The stator comprises an upper magnetic pole piece and a lower magnetic pole piece. The upper magnetic pole piece comprises a plurality of upper protruding portions extending toward the lower magnetic pole piece, and the lower magnetic pole piece comprises a plurality... Agent: Birch Stewart Kolasch & Birch

20070052307 - Wire-connection structure of motor: In a wire-connection structure of a motor, bus rings each formed by a bent wire material into a substantially annular shape and arranged along a stator includes: a plurality of large diameter portions and a plurality of small diameter portions extending alternately in a circumferential direction; and a plurality of... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070052308 - Rotating electrical machine: An electrical machine may include a rotor, a stator, and at least one electromagnetic brake including at least one brake disk. The rotor may include a monolithic shaft, which may include: at least one pulley-forming portion including at least one annular groove for driving at least one cable, and at... Agent: Oliff & Berridge, Plc

20070052309 - Electric motor for electric fan and assembly method therefor: The invention relates to an electric motor for electric fans having a casing with at least a lid with a hermetic seal and a method for assembly of the motor. The motor (1) comprises a casing (2) consisting of a cup-shaped part (5) and a lid (6) and an O-ring... Agent: Nath & Associates

20070052310 - Fluid pump and electric motor, and manufacturing method for the same: A fluid pump includes a motor portion that has a stationary part and a rotator. The inner circumferential periphery of the stationary part and the outer circumferential periphery of the rotator define a fuel passage therebetween. The rotator is rotatable around the inner circumferential periphery of the stationary part. The... Agent: Nixon & Vanderhye, Pc

20070052311 - Motor having dynamic pressure bearing and disc drive having the motor: A motor includes a shaft that rotates with a load, and a dynamic pressure bearing that supports the shaft via fluid in a non-contact manner, wherein the dynamic pressure bearing includes three or more radial bearings that are arranged along a longitudinal direction of said shaft and each radial bearing... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070052312 - Permanent magnetic motor: A motor in different embodiments with a rotatable torque created by permanent magnets having stator and rotor assemblies, each comprising peripherally disposed permanent magnets spaced apart with soft iron insertions filled therebetween, both shaped and magnetized so that producing predominantly mono-polar field in an airgap between each pair of interfacing... Agent: Anatoliy Stanetskiy

20070052313 - Rotating electrical machine: Included are a ring-shaped stator and a ring-shaped rotor arranged inside the stator; the stator includes a stator core with armature windings; the rotor includes a rotor core in which a plurality of permanent magnets are inserted and cooling holes are formed, a coolant flowing in each of the cooling... Agent: Foley And Lardner LLP Suite 500

20070052314 - Structure of generator/motor: This invention is directed to an apparatus of “structure of generator/motor”, primary consists of at least a pair of magnetic component and corresponding coil set, and characterized by: the magnetic poles with different magnetism connected with an appropriate type of permeable part to form a steady magnetic field; and fixed... Agent: Birch Stewart Kolasch & Birch

20070052315 - Travelling field machine: A travelling field machine with a stator and a rotor which are separated by an air gap and each of which comprises at least one stator coil or one rotor coil, with the stator or the rotor, respectively, comprising a soft magnetic iron body with a stator or rotor back,... Agent: Warn, Hoffmann, Miller & Lalone, .p.c

20070052316 - Magnetic coils for electrical machines: A magnetic coil 32 for an electrical machine is constructed from two sub-conductors 34A, 34B, each in the form of laminae of conducting material such as copper sheet, coated with an insulating material. At one end of the coil, the sub-conductors extend by different distances, to provide space at 39... Agent: Manelli Denison & Selter

20070052317 - Stator in rotating electric machine: Each of plural slots has a slot peripheral wall SW and a slot opening 53d. The slot peripheral wall SW has a slot bottom wall 53a, a pair of slot side walls 53b and 53c opposing to each other and continuing to end portions of the slot bottom wall 53a,... Agent: Sughrue Mion, Pllc

20070052318 - Permanent-magnet mono-phase synchronous electric motor with improved stator structure, in particular for discharge pumps of washing machines and similar household appliances: c

20070052319 - Automotive dynamoelectric machine: A rear-end bearing accommodating portion that has a floored cylindrical shape is formed integrally on a rear bracket. A brush apparatus is mounted to the rear bracket by mounting a slinger portion onto an end portion of a shaft so as to cover slip rings. A rectifier is mounted to... Agent: Sughrue Mion, Pllc

20070052320 - Brush-holder for a carbon brush: An electric motor, in particular a motor and gear box unit for activating functional equipment in a vehicle, includes a rotor shaft (1) carrying a commutator (2) co-operating with conductive brushes (3) disposed in brush supports (4) fixed to a printed circuit card (5); the motor is provided with means... Agent: Carlson, Gaskey & Olds, P.c.

20070052321 - Rotor of an electrical machine: An arrangement in a rotor of an electrical machine; the rotor (5) rotates around its axis of rotation and comprises of, at least, the frame (13) and coils (15), which are projected as coil ends (11). There are protruding beams (17,18) substantially projecting in the direction of the longitudinal axis... Agent: Buchanan, Ingersoll & Rooney Pc

20070052322 - Micromachined polymer beam structure method and resulting device for spring applications: An integrated composite beam structure. The structure has a substrate, which includes a surface and a thickness defined underlying the surface. The substrate is composed of a first material. A thickness of polymer based material includes a first portion, a length, and a second portion. The second is coupled to... Agent: Foley And Lardner LLP Suite 500

20070052323 - Thermally enhanced piezoelectric composite system and method: A system and method for removing unwanted heat generated by a piezoelectric element of an ultrasound transducer. Some implementations have high thermal conductivity (HTC) material placed adjacent to the piezoelectric element. The HTC material can be thermally coupled to one or more heat sinks. Use of HTC material in conjunction... Agent: Davis Wright Tremaine, LLP

20070052324 - Surface acoustic wave device and method for fabricating the same: A novel surface acoustic wave device with a decreased velocity dispersion and a low insertion loss as well as the fabrication method therefor is provided. The surface acoustic wave device includes a substrate, an insulating layer with an indentation on the substrate, a silicon layer with a first portion on... Agent: Volpe And Koenig, P.c.

20070052325 - Structural vibration damping device: Disclosed is a structural vibration damping device, which comprises a piezoelectric element adapted to be mounted on a structure, a shunt circuit inserted between two electrodes of the piezoelectric element, and an electric circuit for selectively opening and closing the shunt circuit. In this damping device, the electric circuit is... Agent: Stephen M. De Klerk Blakely, Sokoloff, Taylor & Zafman LLP

20070052326 - Method and apparatus for vibration machining with two independent axes: A vibration machining apparatus and method of use. The vibration machining apparatus includes a cutting tool and a motion stage coupled to one of the cutting tool or the workpiece to move the cutting tool relative to the workpiece. A tangent to a machine path and a normal to the... Agent: Ratnerprestia

20070052327 - Acoustic wave resonator with integrated temperature control for oscillator purposes: The present invention relates to a resonator structure, temperature compensation method and temperature control apparatus for controlling local temperature of a resonator structure. At least one heating element (55) is integrated on a substrate of the resonator structure, and a temperature control signal generated based on a stored temperature characteristic... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070052328 - Piezoelectric ceramic composition and piezoelectric elements using the same: A piezoelectric ceramic composition includes a top-layer, a bottom-layer and at least one intermediate-layer ceramic sheets stacked to each other for sintering. An alloy layer of silver and palladium is interposed between every two ceramic sheets, and a sliver layer is coated on each exposed surface of the top-layer and... Agent: Wen-chin Hu

20070052329 - Piezoelectric vibrator, manufacturing method thereof and linear actuator having the same: The invention relates to a piezoelectric vibrator easily manufactured and mass-produced. The piezoelectric vibrator includes the piezoelectric bar having a plurality of piezoelectric plates alternately stacked and a plurality of vibration sectors divided vertically and horizontally with respect to the direction in which the piezoelectric plates are stacked. Electrode terminals... Agent: Staas & Halsey LLP

20070046108 - Multichannel, surface parallel, zonal transducer system: A multichannel, surface parallel, zonal transducer system includes a membrane and a compound transducer mounted on the membrane, the compound transducer including a plurality of transducer elements extending generally parallel to the membrane, interconnected in a closed network and individually addressable.... Agent: Iandiorio & Teska

20070046109 - Miniature linear motor driving device and auto-focus lens device using the same: A miniature linear motor driving device for lens focusing is disclosed. Said driving device comprises a holder, at least a driving coil, and at least a magnetic guide rail. The holder is disposed with at least a guide hole and can be used to accommodate the lens unit. The driving... Agent: Troxell Law Office PLLC

20070046110 - Power tool capable of battery status indication: A power tool includes a housing, a battery-operated power supplying unit, a driving unit, and a battery status indicator. The power supplying unit is mounted in the housing, is adapted to be connected to a battery unit, and includes a processor unit capable of monitoring status of the battery unit.... Agent: Ladas & Parry

20070046112 - Automotive dynamoelectric machine: A large number of ventilating apertures that have a circular cross section are disposed through the heatsink so as to extend from an air intake apertured surface to an air discharge apertured surface so as to have aperture directions that are parallel to each other and parallel to an element... Agent: Sughrue Mion, PLLC

20070046111 - Electrical device for processing food products equipped with an improved ventilation device: l

20070046114 - Automotive alternator with rectifier having high-strength heat sinks: A rectifier of an automotive alternator includes a heat sink that has fitting holes, in each of which one rectifying element is fitted, and a major surface on which the fitting holes open. The heat sink also has substantially annular ribs, each of which is formed on the major surface... Agent: Oliff & Berridge, PLC

20070046113 - Positioning member and voltage control device for vehicle alternator having the positioning member: A voltage control device for vehicle alternator has an IC chip as an electric component for controlling electric circuits, terminals connected electrically to the IC chip for controlling electric circuits, a resin case in which the terminals are formed by insert molding, and a terminal exposure portion of a hole... Agent: Oliff & Berridge, PLC

20070046115 - Tri-line power cable for electrical submersible pump: A power line for an electrical submersible pump has three metallic impermeable tubes. A single electrical conductor is located within each of the tubes. Each conductor has at least one elastomeric insulation layer surrounding it. An annular portion of the insulation layer of each of the electrical conductors is in... Agent: James E. Bradley

20070046116 - Electromechanical transformer: This disclosure describes an ancient mechanical device which has been improved by modern machine tools, lubricants, ball bearings, and now by electromagnetics. A gear reducer/increaser with the use of magnetic bearing technology changes a friction dominated device into an element that can operate efficiently indefinitely in any environment with a... Agent: Philip A. Studer

20070046117 - Torque converter and system using the same: A torque converter device comprises a flywheel rotatable about a first axis, the flywheel including a first body portion having a first radius from a circumferential surface and a first radius of curvature, a first plurality of magnets mounted in the first body portion, each having first ends disposed from... Agent: Morgan Lewis & Bockius LLP

20070046118 - Shaft sleeve of a dc brushless fan: A shaft sleeve of a DC brushless fan has a cylindrical body, an upper space, a lubricant cavity, a recess, a partition and a longitudinal outer edge. The upper space is formed in the top of the cylindrical body. The lubricant cavity is defined in the cylindrical body and communicates... Agent: Bacon & Thomas, PLLC

20070046119 - Bearing apparatuses, systems including same, and related methods: A bearing apparatus is disclosed. Such a bearing apparatus may comprise a rotor including at least one bearing element mounted to the rotor and a stator including at least one bearing element mounted to the stator. At least one compliant member may be positioned between at least one selected bearing... Agent: Holland & Hart LLP

20070046120 - Bearing elements, bearing apparatuses including same, and related methods: Bearing apparatuses including contacting bearing surfaces comprising superhard materials are disclosed. In one embodiment, the present invention relates to bearings including polycrystalline diamond inserts or compacts defining a plurality of surfaces that move relative to one another and contact one another. For example, apparatuses may include radial bearings, or other... Agent: Holland & Hart LLP

20070046121 - Double-walled yoke and method for making the same: Provided is a method for making a double-walled yoke that allows an inner yoke (4) and outer yoke (3) to be integrally joined to each other both easily and securely. Such a yoke provides an adequate cross sectional area for a magnetic path of the yoke while minimizing the weight... Agent: Marshall & Melhorn

20070046122 - Rotary electric machine equipped with one or more magnetic sensors: The present invention provides a rotary electric machine, in which it is possible to reduce the dimension of a casing in a direction along a rotation center line. The rotary electric machine comprises a magnet rotor 2 rotating about a rotation center line 1 and one or more magnetic sensors... Agent: Rankin, Hill, Porter & Clark LLP

20070046123 - Permanent-magnet rotor for an external-rotor electric motor particularly for washing machines and similar household appliances and relevant manufacturing method: A permanent-magnet rotor for external-rotor electric motor (1) particularly for washing machines of unusual silence comprising a cup-shaped support structure (6) having a bottom (7) and a side wall (10) and a plurality of magnetic poles (12) arranged in the support structure (6) and arranged along said side wall (10),... Agent: Akerman Senterfitt

20070046124 - Field controlled axial flux permanent magnet electrical machine: An electrical machine is provided. The machine includes at least one rotor mounted for rotation about a central axis and at least two stator sections mounted axially adjacent to and on opposite sides of the rotor. The rotor includes two circumferentially arrayed rows of alternating segments of permanent magnet and... Agent: Foley & Lardner LLP

20070046125 - Laminated core of rotary electric machine: A laminated core having a first number of magnetic poles, the first number being a natural number divided by two, of a rotary electric machine, includes a plurality of arc-shaped unit cores each having a second number of magnetic poles, the second number being a natural number except for an... Agent: Sughrue Mion, PLLC

20070046126 - Variable reluctance position sensor and method for determining a position of a rotating body: A variable reluctance position sensor and a method for determining a position of a rotating body are provided. The variable reluctance position sensor includes a rotatable member configured to be operably coupled to the rotating body. The rotatable member has a first non-magnetic body portion and a plurality of magnets... Agent: Cantor Colburn LLP- Baker Atlas

20070046127 - Motor assembly with an integrated flexible printed circuit: The present invention provides a motor assembly for mounting to a base. The motor assembly includes a stator assembly having a plurality of stator teeth. Each stator tooth is configured to support a stator coil. The motor assembly also includes a flexible printed circuit having top and bottom surfaces and... Agent: Seagate Technology LLC C/o Westman Champlin & Kelly, P.A.

20070046128 - Commutator and an armature: A commutator main body 11 includes a plurality of commutator pieces 13 arranged along a circumference, the center of which is a rotation axis L of a motor, and a main body insulator 14 holding the commutator pieces. A short-circuit member 12 is arranged on an end portion of the... Agent: Fulwider Patton

20070046131 - Boat drive: A boat drive has a permanent magnet-excited, electronically commutated synchronous motor with a stator and a rotor. The number of poles of the stator and the number of poles of the rotor are different. The magnetic field created between the poles of the stator and the poles of the rotor... Agent: Crowell & Moring LLP Intellectual Property Group

20070046129 - Stator for motor, recording disc driving motor using the same for recording disc driving device: A stator of a motor comprises a core which has thereon a plurality of teeth and a core back, a coil which will be formed on each tooth, and a bridging wire connecting the coils. In the core which is formed of two core plates laminated to one another, a... Agent: Judge & MurakamiIPAssociates

20070046130 - Three-phase permanent magnet brushless motor: A three-phase permanent magnet brushless motor comprises a stator having three-phase windings, and a rotor having a permanent magnet with a plurality of poles for serving as a field magnet. The stator comprises a stator core which includes a powder core that is compacted at a high density in at... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070046132 - Armature and motor on which the armature is mounted: An extension part of an insulator covering a part of a coupling portion of a laminated core of an armature is inclined to the inside in the radial direction along the coupling part. A inclined face which is extended inward in the radial direction is formed in the cylindrical part... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070046133 - Rotor for automotive alternator having barrier to prevent entrance of foreign matters: According to the invention, a rotor for an automotive alternator includes a slip ring assembly, a rotary shaft, and a barrier. The slip ring assembly includes an insulating member that has a slip-ring holding portion with a hollow cylindrical shape, a terminal holing portion with an annular shape, and a... Agent: Oliff & Berridge, PLC

20070046134 - Commutator and method for manufacturing commutator: A commutator includes a commutator body having segments and a short circuit member for short-circuiting the segments. The short circuit member includes first short circuit pieces and second short circuit pieces that are stacked. A radially outer end portion of each first short circuit piece is overlapped with and connected... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20070046135 - Automotive alternator having vibration-absorbing member disposed between rear frame and cover member: An automotive alternator includes a rear frame having a rear end wall and a cover member covering a brush device. The cover member is connected to the rear end wall of the rear frame, and a vibration-absorbing member made of a rubber material is disposed between the rear end wall... Agent: Oliff & Berridge, PLC

20070046136 - Dynamoelectric stator and method for manufacturing a dynamoelectric stator: A stator includes: an annular stator core in which a plurality of slots opening radially inward are formed circumferentially; and a stator winding installed in the stator core. A sheet-shaped varnish supporting member is disposed so as to be placed in close contact with a radially-outermost surface of a coil... Agent: Sughrue Mion, PLLC

20070046139 - Lundell type rotor core structure and rotary electric machine employing the same: A Lundell type rotor core structure and an electric rotary machine employing the same are disclosed. The rotor core structure has first and second claw pole portions alternately placed in a circumferential direction to define clearances each having a magnet mount position deviated from an axial center of each clearance... Agent: Oliff & Berridge, PLC

20070046138 - Magnet protection mechanism for magnet body in rotor and magnet protection method: A magnet covering member made of a soft steel plate covers an outer surface of a magnetized permanent magnet placed in a rotor core of a rotor. The magnet covering member is detached from the permanent magnet when the rotor is incorporated into a stator of an alternator during an... Agent: Oliff & Berridge, PLC

20070046137 - Rotor of rotary electric machine: A Lundell type rotor core with a pair of side cores and a magnetic-pole cylindrical portion has a structure in which the magnetic-pole cylindrical portion is mated between both the side cores (also referred to as “pole cores”) in a radial direction at an outside of a field coil wound... Agent: Oliff & Berridge, PLC

20070046140 - Axial-gap motor/generator: An axial-gap motor/generator that has a stator equipped with a plurality of polyphase coils from which are led output lead wires, wherein wire connectors 16 for each of coil 12 are divided and arranged on the front side and rear side of the side surface of stator 10.... Agent: GlobalIPCounselors, LLP

20070046141 - Signal-carrying flexure structure for micro-electromechanical devices: A signal-carrying flexure structure for a MEM device comprises at least two conductive flexure segments having respective cross-sectional areas, and at least one crosspiece affixed to the flexure segments to operatively couple the segments together such that the flexure segments and crosspiece form a single flexure structure. The resulting flexure... Agent: Koppel, Patrick & Heybl

20070046142 - Surface acoustic wave device and manufacturing method thereof: A surface acoustic wave device includes an excitation electrode formed on a piezoelectric substrate and a binding electrode to be connected with a mounting substrate. The binding electrode is provided with a lower electrode formed on the piezoelectric substrate and an intermediate layer that is made of an adhesion electrode... Agent: Morrison & Foerster LLP

20070046143 - Drive circuits and methods for ultrasonic piezoelectric actuators: A drive circuit for and method of driving a piezoelectric actuator utilizes an impedance coupled to the piezoelectric actuator, wherein the impedance and the piezoelectric actuator together form a tank circuit that has a resonant frequency. A first circuit is provided that drives the actuator at the resonant frequency and... Agent: S.c. Johnson & Son, Inc.

20070046144 - Drive control method for a piezoelectric actuator, drive control apparatus for a piezoeletric actuator, and electronic device: The piezoelectric actuator drive control device has a controller, and executes an initialization process including an optimum phase difference acquisition process P1 and a phase difference inversion detection process P4 at a predetermined frequency. As a result, the optimum phase difference is updated each time the optimum phase difference acquisition... Agent: GlobalIPCounselors, LLP

20070046146 - Method and apparatus for controlling a fuel-injection valve: A fuel injection valve is controlled, the valve includes a piezoelectric actuator as the valve member, which opens up or closes a connection to a space arranged downstream, an electric actuating element for actuating the valve member and a prestressing element which prestresses the valve member into a prestressing direction.... Agent: Crowell & Moring LLP Intellectual Property Group

20070046145 - Transmitting apparatus, sound sensor and autonomous traveling vehicle: A driving circuit of a transmitting apparatus drives a piezoelectric element in a frequency band different from a resonance frequency at which a vibration system including the piezoelectric element resonates the most strongly. A driving circuit of a sound sensor drives the piezoelectric element for transmitting or receiving an acoustic... Agent: Mcdermott Will & Emery LLP

20070046147 - Power supply device: A driving circuit converts a direct current (DC) power supply voltage into an alternating current voltage of a predetermined frequency. The alternating current voltage is applied to an electrical element and boosted by a voltage resonant circuit of the electrical element. Based on a change in input voltage of the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070046148 - Piezoelectric actuator: A piezoelectric actuator, for example for actuating a mechanical component, has a multilayered structure of piezoelectric layers and, in a piezoelectrically active region, can be acted on with an electrical voltage by means of internal electrodes that are situated between the layers. The layer structure of the piezoelectric actuator includes... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070046149 - Ultrasound probe transducer assembly and production method: An improved ultrasound transducer assembly, e.g. a thickness-mode transducer assembly includes a plurality of elements comprising piezoelectric material, and a backing material disposed adjacent to a back surface of the plurality of elements. The piezoelectric material and backing material define at least a portion of a side surface, wherein an... Agent: Marsh, Fischmann & Breyfogle LLP

20070046151 - Quartz crystal vibrator, oscillator and electronic apparatus: To provide a quartz crystal vibrator, an oscillator and an electronic apparatus capable of preventing a bonding electrode from being corroded and easily maintaining soundness of the bonding electrode over a long period of time, a quartz crystal vibrator is provided with a quartz crystal vibrating plate formed by surrounding... Agent: Brinks Hofer Gilson & Lione

20070046150 - Surface mount type piezoelectric vibrator and its fabricating method, oscillator, electronic apparatus and radio wave timepiece: To propose a structure of a small-sized airtight terminal capable of restraining a reduction in yield of steps of fabricating an airtight terminal and steps of integrating a piezoelectric vibrator and a mold structure of a surface mount type piezoelectric vibrator in correspondence with the airtight terminal, there is provided... Agent: Brinks Hofer Gilson & Lione

20070046154 - Piezoelectric substance and manufacturing method thereof, piezoelectric element and liquid discharge head using such piezoelectric element and liquid discharge apparatus: The present invention provides a piezoelectric substance of single crystal or uniaxial crystal type in which three lattice lengths a, b and c of a unit lattice of the piezoelectric substance are smaller than lattice length a0, b0 and c0 of a unit lattice of a bulk state of single... Agent: Fitzpatrick Cella Harper & Scinto

20070046152 - Piezoelectric substance, piezoelectric element, liquid discharge head using piezoelectric element, and liquid discharge apparatus: A piezoelectric material, characterized in that a main component of the piezoelectric substance is PZT which has perovskite type structure expressed in Pb(ZrxTi1-x)O3 (1) (x expresses an element ratio Zr/(Zr+Ti) of Zr and Ti in the formula), an element ratio Pb/(Zr+Ti) of Pb, Zr and Ti of the piezoelectric substance... Agent: Fitzpatrick Cella Harper & Scinto

20070046153 - Piezoelectric substrate, piezoelectric element, liquid discharge head and liquid discharge apparatus: A piezoelectric substrate of a perovskite-type oxide is expressed by a general formula of ABO3 having a laminate structure of a single crystal structure or a uniaxial crystal structure expressed by (Pb1-xMx)xm(ZryTi1-y)O3 (where M represents an element selected from La, Ca, Ba, Sr, Bi, Sb and W) and the laminate... Agent: Fitzpatrick Cella Harper & Scinto

20070046155 - Piezoelectric structure: A piezoelectric structure receives input from a voltage source to generate polarization and output voltage. Two surfaces are formed on the direction normal to the polarized direction. One surface has an input electrode electrically connecting to the voltage source and an output electrode to output voltage. Another surface has a... Agent: Birch Stewart Kolasch & Birch

20070046156 - Method of producing composite material, method of producing piezoelectric actuator, method of producing ink-jet head, and piezoelectric actuator: A method of producing a piezoelectric actuator includes the steps of: forming a first electrode layer on a substrate by jetting an aerosol containing particles of a conductive material and ceramic particles onto the substrate to make the particles adhere to the substrate; forming a piezoelectric layer on the first... Agent: Baker Botts LLP C/o Intellectual Property Department

20070046157 - Piezoelectric device and method of manufacturing piezoelectric resonators: A piezoelectric resonator comprises a piezoelectric material layer 101, a first electrode 102 formed on one major surface of the piezoelectric material layer 101, and having a cross-section in the shape of a trapezoid whose longer side contacts the piezoelectric material layer 101, and a second electrode 103 formed on... Agent: Wenderoth, Lind & Ponack L.L.P.