Electrical generator or motor structure inventions 04/07

20070090696 - Linear motor: Each of three inductors 1A to 1C is so arranged that a tooth row 7 therein is located on each side thereof in a width direction thereof orthogonal to a moving direction of an armature 3. The three inductors are arranged spaced apart from each other by a predetermined spacing... Agent: Rankin, Hill, Porter & Clark LLP

20070090697 - Radially-activated engine: A motor includes a plurality of linearly activated pistons, positioned radially around an axis, which are selectively and sequentially biased against on offset element to produce rotation of a rotatable element about the axis. The motor further includes an power source, which may be electrical, pneumatic or hydraulic and a... Agent: Bond, Schoeneck & King, PLLC

20070090698 - Driving device and light amount adjusting device: A light amount adjusting device mounted with a driving device which can have a reduced size in the direction of thickness. In this controller, a magnet is formed into a hollow circular disk shape and has at least one disk surface magnetized to have alternately different poles in the circumferential... Agent: Rossi, Kimms & Mcdowell LLP.

20070090699 - Multi-polar rotary machine: A multi-polar rotary machine comprises a cylindrical outer rotor arranged concentrically with the stator and with an air gap therebetween. The stator has two spaced stator elements and a ring shaped permanent magnet held between the stator elements and magnetized so as to form N and S poles in the... Agent: Boyle Fredrickson Newholm Stein & Gratz, S.c.

20070090700 - Device for locking a power tool and a rechargeable battery pack that is insertable in a guide of the power tool: A device for locking a power tool and a rechargeable battery pack that is insertable in a guide of the power tool has a locking bar installable on a housing of the power tool and held in locking engagement with the rechargeable battery pack via spring force, a release mechanism... Agent: Striker, Striker & Stenby

20070090701 - Multi-plane flexible rotor balancing: A rotor balancing system is provided that includes a rotor core, a plurality of core channels, a support wedge, a wedge channel, and balance masses. The rotor core includes an annular section, a first pole, and a second pole. The first and second poles each extend radially outwardly from the... Agent: Honeywell International Inc.

20070090702 - Luggage with power supply circuit: According to the invention, a human-propellable luggage which converts motion of the luggage into conditioned electrical power is provided. The luggage may have a body, chassis, wheel, generator and power supply circuit. The body may be configured to support an object and to be moved by a force exerted by... Agent: Townsend And Townsend And Crew, LLP

20070090703 - Shock-absorable electricity-producing apparatus: A shock-absorbable electricity-producing apparatus comprises an electricity generator and an electricity-producing module. The electricity-producing module includes a rack, first and second gears, and a spring buffer. The rack is synchronously driven by a shock absorber. The spring buffer is located between the first and second gears. The first and second... Agent: Troxell Law Office PLLC Suite 1404

20070090704 - Outer-rotor-driving pump having annular ferrite magnet with grain alignment on its inner periphery: A pump driven by an outer rotor and having an annular ferrite magnet with grain alignment on its inner periphery comprising a housing, a wheel blade, a stator and an outer rotor surrounding the stator, wherein the pump uses the wheel blade to draw and deliver fluid in the water... Agent: Bacon & Thomas, PLLC

20070090705 - 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 Mion, PLLC

20070090706 - Frictionless suspension structure: A new and useful frictionless suspension structure is provided, that can be used with structures such as axles, hinges and other similar types of structures (especially structures where one member rotates relative the other member) can produce various attractive features such as significant energy savings, preserving component life, etc. A... Agent: Lawrence R. Oremland

20070090707 - Rotating electrical machine and hybrid drive unit provided with the same: An induction machine includes a stator provided with stator windings and a first rotor provided with first rotor windings, and generates an induction current in one of the stator windings and the first rotor windings by a rotating magnetic field generated in the other of the stator windings and the... Agent: Oliff & Berridge, PLC

20070090708 - Electric rotating machine: An electric rotating machine which comprises: a magnet rotor which has a rotor yoke having a magnetic attachment surface extending in a peripheral direction, and multiple permanent magnets for constituting a magnetic field which are intermittently arranged in the peripheral direction of the rotor yoke and are attached on the... Agent: Pearne & Gordon LLP

20070090710 - Dc brush-free motor and fan rotated by outer rotor having annular ferrite magnet with alignment on its inner periphery: A DC brush-free motor or fan rotated by an outer rotor having an annular ferrite magnet with grain alignment on its inner periphery, the main body of the motor or fan is composed of a base, a stator and an outer rotor surrounding the stator; the outer rotor includes a... Agent: Bacon & Thomas, PLLC

20070090709 - High-voltage transformer: This high-voltage transformer can regulate the leakage inductance accurately and easily. Winding frames of a primary-side winding (6), a secondary-side winding (7), and a magnetic-coupling adjusting winding (8) are provided so that the primary-side winding (6), the secondary-side winding (7), and magnetic-coupling adjusting winding (8) are placed in a common... Agent: Snider & Associates

20070090711 - Method and apparatus for assembling a permanent magnet pole assembly: A pole assembly for a rotor, the pole assembly includes a permanent magnet pole including at least one permanent magnet block, a plurality of laminations including a pole cap mechanically coupled to the pole, and a plurality of laminations including a base plate mechanically coupled to the pole.... Agent: General Electric Company Global Research

20070090712 - Ac generator and method: One aspect of the invention is a generator with at least two commutators mounted on a rotatable shaft. At least two magnetically conductive bars may be mounted in an opposed relationship with at least one of the bars passing through a wire coil. At least two magnets may also be... Agent: Baker Botts L.L.P.

20070090713 - Hybrid-excited rotating machine, and vehicle with the hybrid-excited rotating machine: A hybrid-excited rotating machine comprising: a stator winding 12 of a multi-phase Y-connection; a plurality of rotor magnetic poles 21, 22, 23, 24, 25, 26, 27, 28 fixed on a rotor shaft 3 at a predetermined spacing in the circumferential direction and confronting the inner circumference of said stator 1... Agent: Sughrue Mion, PLLC

20070090714 - Armature for an electromotive device: An armature apparatus for brushless and brush type electric motors and a manufacturing method for same armature. The armature represents and improved design for electric motors having a rigid, thinwall configuration and high conductor packing density in the magnetic flux air gap that results in motors with higher torque and... Agent: Mcdermott Will & Emery LLP

20070090715 - Stranded bar to solidified bar braze method and series loop connection: A stator bar series loop connection is provided that is comprised of a solidified stator bar and a stranded stator bar disposed in a stator slot so that one of the bars is disposed as a top bar and the other of the bars is disposed as a bottom bar... Agent: Nixon & Vanderhye P.C.

20070090716 - Spindle motor, and recording and reproducing apparatus equipped with the same: With a spindle motor 20, a stator core 8 comprises a plurality of salient pole components 51 that are formed in a radial shape, are wound with a stator coil 9, and are disposed at a uniform angle except for a non-equiangular pitch portion, an circular outer peripheral yoke 52... Agent: Wenderoth, Lind & Ponack L.L.P.

20070090717 - Brushless motor: In an armature for a brushless motor, a gap is provided between an inner circumferential surface of a cylinder portion of a cover and an outer circumferential surface in a radial direction of the armature. A plurality of non-magnetic spacers having a predetermined distance therebetween are provided in a circumferential... Agent: Judge & MurakamiIPAssociates

20070090718 - Brush type small motor having non-linear spring device: A spring device includes of a coil spring case formed of right, left, back and front side plates and a spring receiving plate, a coil spring having a liner spring property, and a spring urging member for urging the coil spring into the coil spring case. A distance between the... Agent: Boyle Fredrickson Newholm Stein & Gratz, S.c.

20070090719 - Generator synchronization system: An alignment fixture includes a rotor fixture, a stator fixture and a sensor system which measures a rotational displacement therebetween. The fixture precisely measures rotation of a generator stator assembly away from a NULL position referenced by a unique reference spline on the rotor shaft. By providing an adjustable location... Agent: Carlson, Gaskey & Olds, P.C.

20070090720 - Claw-pole motor having smaller intervals between induction poles of stator rings at both ends: A claw-pole motor includes a rotor having permanent magnets; and a stator having stator rings assigned to three phases, which are coaxially stacked along the same axis. Winding attachment portions are formed between adjacent stator rings, and an annular winding is installed in each winding attachment portion for generating a... Agent: Arent Fox PLLC

20070090721 - Direct drive for a printing machine: A device for driving a cylinder (1) of a printing machine has an electric motor (3) whose rotor (14) is arranged coaxially with respect to the cylinder (1) and is firmly connected so as to rotate with the latter, and whose stator (15) is held on a frame construction (2)... Agent: Hedman & Costigan P.C.

20070090722 - Micro parallel kinematic mechanism design and fabrication: A planar micro parallel-link mechanism that provides fine planar motion to a platform in two translation directions and one rotation direction using comb-drive actuators with gear chain systems coupled to rack-and-pinions and struts. The micro parallel-link mechanism has a large operating envelope and can be fabricated using surface micromachining techniques.... Agent: Christie, Parker & Hale, LLP

20070090724 - Fuel injection valve: A spring member for a piezoelectric type injector is manufactured from a rectangular shaped sheet material, by rolling it to form as a tubular shape. Both of circumferential ends of the rolled up spring member confront each other, but are not connected to each other. Multiple apertures are regularly formed... Agent: Nixon & Vanderhye, PC

20070090723 - Thermacoustic piezoelectric generator: An electroactive transducer converts between acoustical power and electrical power. The transducer includes a diaphragm and a perimeter member. The perimeter member includes at least one electroactive element and is mechanically coupled to the perimeter of the diaphragm such that displacement of the diaphragm stresses the electroactive element.... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20070090725 - Piezoelectric resonator and method for producing the same: An upper electrode 103 is provided on one main surface of a piezoelectric layer 101, and a lower electrode 102 is provided on the other main surface thereof. A vibration section 104 is an area in which the lower electrode 102, the piezoelectric layer 101 and the upper electrode 103... Agent: Wenderoth, Lind & Ponack L.L.P.

20070090726 - Piezoelectric fan: A method of making a piezoelectric fan includes using a portion of the fan blade material as the substrate for the electronic circuit. By this method a single material may serve as both the substrate for the electronic circuitry and as the fanning end of the fan blade. Flex circuitry,... Agent: Woodard, Emhardt, Moriarty, Mcnett & Henry LLP

20070090727 - Airtight terminal and its fabricating method, piezoelectric vibrator and its fabricating method, oscillator, electronic apparatus and radio wave timepiece: To provide an airtight terminal and a piezoelectric vibrator having a strong rigidity of a lead despite a small-sized constitution, and provide a method of fabricating an airtight terminal constituting a lead penetrating inside of a stem by one piece and a piezoelectric vibrator with an excellent yield. A stem... Agent: Brinks Hofer Gilson & Lione

20070090730 - Method for forming perovskite type oxide thin film, piezoelectric element, liquid discharge head, and liquid discharge apparatus: To provide a film forming method capable of obtaining a high-quality perovskite type oxide thin film, piezoelectric element having a piezoelectric substance constituted of the thin film formed by the film forming method, liquid discharge head having the piezoelectric element and liquid discharge apparatus having the liquid discharge head. A... Agent: Fitzpatrick Cella Harper & Scinto

20070090728 - Piezoelectric substance, piezoelectric substance element, liquid discharge head, liquid discharge device and method for producing piezoelectric substance: A piezoelectric substance has a multi-layer structure consisting of single crystal layers or uniaxial crystal layers of a perovskite oxide expressed by the general formula of ABO3 in which a main component at the site (A) is Pb, and a main component at the site (B) includes at least three... Agent: Fitzpatrick Cella Harper & Scinto

20070090729 - Piezoelectric/electrostrictive film and method for producing the same: A piezoelectric/electrostrictive film is formed on a solid-phase support, the piezoelectric/electrostrictive film including an incompletely bonded region which is incompletely bonded in a predetermined pattern to the solid-phase support, and a bonded region which is bonded to the surface of the solid-phase support so that the incompletely bonded region can... Agent: Burr & Brown

20070090731 - Electronic component and method for manufacturing the same: An electronic component includes a substrate; a piezoelectric material layer supported directly or indirectly by the substrate; a first electrode arranged on a surface of the piezoelectric material layer on an opposite side of the substrate; and a second electrode arranged on a surface of the piezoelectric material layer on... Agent: Hamre, Schumann, Mueller & Larson P.C.

20070090732 - Systems, methods and devices relating to actuatably moveable machines: Systems, methods and devices relating to actuatably movable machines and methods of using and manufacturing the same.... Agent: Fish & NeaveIPGroup Ropes & Gray LLP

20070085425 - Vibration generator: A vibration generator is provided. The vibration generator comprising a case having a hollow inside and a lower plate. A first vibrator is disposed away from the lower plate of the case and supported by first elastic member fixed to the lower plate. A second vibrator is disposed away from... Agent: Brinks Hofer Gilson & Lione

20070085426 - Stator structure and manufacturing method thereof: A stator structure includes a stator assembly and a protective body, and the stator assembly is covered by the protective body. Additionally, a manufacturing method of the stator structure, which includes the steps of providing a stator assembly, providing a mold, disposing the stator assembly in the mold, applying a... Agent: Birch Stewart Kolasch & Birch

20070085427 - Superconducting homopolar inductor alternator for power applications: A portable power system has a turbine engine generating mechanical energy. A homopolar electrical machine receives this energy. The homopolar electrical machine has a single stationary superconducting field coil configured to create a magnetic field. A homopolar rotor is configured to rotate within the magnetic field such that a rotating... Agent: General Electric Company Global Research

20070085428 - Rotor of rotary-electric machine: In a rotor of a rotary-electric machine, in order to improve a cooling performance of a rotor winding, in a rotor winding on an end portion of the rotor in an axial direction, the rotor winding being held by a retaining ring of the rotor winding formed by laminating a... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070085429 - Generator for an engine: A generator housing (1) of an engine generator is connected to a gearbox casing (17) via a cover plate (23) that bears the rotor shaft (5). The cover plate has a two-piece design and includes a bearing retainer ring (13) for a rotor shaft bearing (11) made of a rigid... Agent: Harbin King & Klima

20070085430 - Low speed discoidal electric motor: g

20070085433 - Motor: A motor includes (1) a rotor including a permanent magnet fixed to a rotor shaft, (2) a stator including a rotor insertion hole and an inner periphery, where the inner periphery of the stator is oppositely disposed to the permanent magnet of the rotor and where the rotor insertion hole... Agent: Reed Smith, LLP Attn: Patent Records Department

20070085431 - Motor, recording disk driving device using the same, and method of manufacturing thereof: A method of manufacturing a spindle motor including a rotor hub having a hard disk placing portion, a base to which the rotor hub is rotatably attached via a bearing, and a coil inducing a magnetic field when energized and arranged at an inside space between the rotor hub and... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20070085432 - Spindle motor and rotation device: A spindle motor includes a shaft including a core spindle member with a large and a small diameter portions and an encircling annulus member attached to the small diameter portion; a rotor hub attached to the large diameter portion; a bearing member; a radial bearing portion provided with first dynamic... Agent: Bacon & Thomas, PLLC

20070085434 - Rotating apparatus using a magnet and rotating decoration employing the same: A rotating apparatus includes a separating member, at least one movable magnet, and at least one passive magnet. The separating member is made of a nonmagnetic material, and interposed between the movable magnet and the passive magnet. The movable magnet is relatively shifted from the separating member along one surface... Agent: Black Lowe & Graham, PLLC

20070085435 - Electromagnetic motor employing multiple rotors: An electromagnetic motor employing plural rotors is provided, with each rotor exhibiting a permanent magnetic field. A control module selectively induces magnetic fields in electromagnetic pads surrounding each of the rotors. Through the interaction of the permanent and induced magnetic fields, the rotors can turn. As a result, a shaft... Agent: Stetina Brunda Garred & Brucker

20070085436 - Permanent magnet rotating electric machine and electric car using the same: A permanent magnet rotating electric machine comprises a stator having stator windings wound round a stator iron core and a permanent magnet rotor having a plurality of inserted permanent magnets in which the polarity is alternately arranged in the peripheral direction in the rotor iron core. The rotor iron core... Agent: Crowell & Moring LLP Intellectual Property Group

20070085437 - Spoke permanent magnet rotor: A rotor includes a shalt that defines a rotor axis, a first end portion coupled to the shaft, and a pole piece that defines an enclosed aperture therethrough. A second end portion is positioned to dispose the pole piece between the first end portion and the second end portion. A... Agent: Michael Best & Friedrich, LLP

20070085438 - Dc rotary electric machine having balance winding for reducing variations in magnetizing force between respective field magnet poles: In a rotary electric machine having a field winding wound on field magnet iron cores, and an armature with an armature winding connected in series with the field winding through a pair of brushes and a corresponding pair of connecting leads that are electrically connected to the brushes, a balance... Agent: Oliff & Berridge, PLC

20070085439 - Generator rotor slot armors and related method: Slot armor for a generator rotor comprising a pair of L-shaped components each having height, width and thickness dimensions determined by a space between a field winding and an adjacent wall of a radial slot in the rotor, the L-shaped components constructed of a powder-coated metal.... Agent: Nixon & Vanderhye, PC

20070085440 - Laminations with integrated spacing feature for an electric machine, and method of making a lamination: A lamination has at least one spacing strip which is formed by cutting out sheet-metal pieces from a metal sheet in order to define an inner boundary and an outer boundary of the lamination. A cut line is made in the metal sheet to define a contour for a spacing... Agent: Henry M. Feiereisen Henry M. Feiereisen, LLC

20070085441 - Iron core for rotary electric machinery and its assembly method: An iron core for rotary electric machinery and a method of assembling the same are disclosed. The method involves preparing a plurality of arch-shaped iron core plates and overlapping the plurality of arch-shaped iron core plates to form a lamination unit having a predetermined thickness; forming an annular member with... Agent: Bucknam And Archer

20070085442 - Commutation of brushless electrodynamic machines: A method, apparatus and system for selectably directing power signals to coils of active field pole members in brushless electrodynamic machinery are disclosed. In one embodiment, a field pole commutator includes a power transfer region configured to transfer at least a first power signal and second power signal to the... Agent: Cooley Godward Kronish LLP

20070085443 - Resilient member for a brush holder assembly: Disclosed is a resilient member for use in a brush holder assembly. The resilient member may be positioned between at least a portion of a brush and at least a portion of a brush holder. For example, the resilient member may separate or isolate one or more sides of a... Agent: Crompton, Seager & Tufte, LLC

20070085444 - Nanometer-scale electrostatic and electromagnetic motors and generators: It is an object of the present invention to provide NEMS that utilize electrostatic and electromagnetic forces to operate. In one nanoelectrostatic embodiment, a nanometer-scale beam is suspended in an electric field. Electrically charged rails are placed around the beam. When a beam contacts a rail, the beam is forced... Agent: Fish & NeaveIPGroup Ropes & Gray LLP

20070085445 - Stabilization apparatus for movable mirror: A stabilization apparatus according to the present invention comprises a stopper which is in contact under pressure with one side face of a movable body capable of swinging around a torsion bar, this one side face being vertical to an axial direction of the movable body, to damp the movable... Agent: Staas & Halsey LLP

20070085446 - Surface acoustic wave device: An exemplary surface acoustic wave device includes a DLC film, a zinc oxide film formed on the DLC film, and at least one interdigital transducer formed on the zinc oxide film. The DLC film has a nano-sized thickness Z(f), corresponding to the surface acoustic wave device having an operational frequency... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070085447 - Acoustic galvanic isolator incorporating single insulated decoupled stacked bulk acoustic resonator with acoustically-resonant electrical insulator: Embodiments of the acoustic galvanic isolator comprise a carrier signal source, a modulator connected to receive an information signal and the carrier signal, a demodulator, and an electrically-isolating acoustic coupler connected between the modulator and the demodulator. The acoustic coupler comprises no more than one decoupled stacked bulk acoustic resonator... Agent: Avago Technologies, Ltd.

20070085448 - Ultrasonic motor: An ultrasonic motor includes a circular stator having a piezoelectric element and a comb-tooth body having a plurality of comb teeth which are circumferentially arranged thereon, and a circular rotor having a rotation shaft, the circular rotor being in press-contact with the comb teeth of the circular stator. The circular... Agent: Greenblum & Bernstein, P.L.C

20070085449 - Electro-active valveless pump: An electro-active, valveless pump having a pumping chamber with at least one chamber wall. There is at least one opening in the at least one chamber wall. An electro-active actuator is located over each of the openings for inducing fluid flow.... Agent: Birch Stewart Kolasch & Birch

20070085450 - Motion actuator: The present invention provides a shear motion driven motion actuator. The motion actuator provides a plurality of driving modes to drive a main body, including the inertial drive mode, the friction drive mode and the scanning mode. The motion actuator comprises a base having a V-shape concave groove and a... Agent: Bacon & Thomas, PLLC

20070085451 - Piezoelectric/electrostrictive device and method of manufacturing same: The present invention provides a piezoelectric/electrostrictive device including a pair of thin plate sections in an opposed relation to each other, a fixing section for supporting the thin plate sections, and at least one pair of piezoelectric/electrostrictive elements are provided to the pair of thin plate sections. The thin plate... Agent: Burr & Brown

20070085452 - Alignment features for dicing multi element acoustic arrays: A method and system include a cable including a plurality of conductors terminating at a leading edge of the cable, and markers disposed at the leading edge providing visual reference points at one or more predetermined positions, the markers being separate from the plurality of conductors.... Agent: Dallas Office Of Fulbright & Jaworski L.L.P.

20070080589 - Consolidated energy system generator: The present invention relates to a consolidated energy system generator.... Agent: Weiss & Weiss Suite 251

20070080590 - Cooling fan with motor cooler: A cooling fan comprising an outer housing. A motor support is fixed to the outer housing and a motor is mounted to the motor support. A hub is rotatably coupled to the motor and, with the motor support, forms a motor enclosure that substantially surrounds the motor. A plurality of... Agent: Hewlett Packard Company

20070080591 - Electric rotating machine and manufacturing method of the same: A electric rotating machine includes a rotor winding constituting a part of a rotor, a conductor provided in a center portion in a radial direction of a rotor body for supplying electricity to the rotor winding from the outside, a leader drawn from the conductor to an outside diameter side,... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070080592 - Feeder line and terminal connection structure in stator, and joining device: In this feeder line and terminal connection structure, each of feeder lines is positioned shifted in an axial direction of a stator for each phase, and includes a terminal portion extending in a radial direction of a stator; the terminals include a first connection portion, connected to one end of... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070080593 - Bearing sleeve: A compliant bearing sleeve resides between a bearing and a bearing seat, thus opening tolerance requirements, and providing thermal and mechanical insulation of the bearing from the bearing seat. The bearing sleeve comprises alternating outside and inside ribs residing on a sleeve body. In a relaxed state (i.e., not inserted... Agent: Averill & Varn

20070080594 - Power amplification device and magnetic bearing: Each of the power amplifiers (15) and (16) is provided with a current command device (17) that outputs a current command signal to be supplied to each of the electromagnets (4) and (5) based upon a current target value, a power amplifier (18) that amplifies the current command signal and... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070080595 - Superconductive non-contact rotary device: A superconductive non-contact rotary device comprising; a bulk superconductor having a pinning effect arranged in a heat insulating cryogenic vessel, a permanent magnet arranged at one side of the vessel so as to face one surface of the bulk superconductor across a wall, and a permanent magnet arranged at the... Agent: Christie, Parker & Hale, LLP

20070080596 - Magnetic motor: A frame having a shaft coupled thereto and a pair of non-magnetic wheels mounted on the shaft. Either the wheels are rotatable on the shaft or the shaft itself is rotatable. Each wheel has a plurality of equally spaced apart grooves running over a cylindrical surface of the wheel from... Agent: Vermette & Co.

20070080597 - Motor and manufacturing method thereof: A motor includes an annular magnet and an annular core. The annular core is placed radially inward of the annular magnet and includes a plurality of annular core segments. At least one of axially opposed surfaces of one or more annular core segments includes an annular recess, which is configured... Agent: Posz Law Group, PLC

20070080598 - Electric rotary machine: In an electric rotary machine of an axial gap type, at least one rotor including a rotor coreis provided, at least one stator is provided the at least one stator facing one surface of the at least one rotor with an axial gap therebetween, and a plurality of magnet groups... Agent: Foley And Lardner LLP Suite 500

20070080599 - Dc motor with asymmetrical poles: The present invention relates to a motor having a stator with a magnetized rotor rotatably positioned in the stator. The stator and the rotor each have at least two magnetic poles. At least one of the stator poles has a different area confronting the poles of the rotor than the... Agent: Patent Docket Administrator Borgwarner Inc.

20070080600 - Stator for motors: The present invention provides a stator for motors in which a space volume occupied by the winding wire of an excitation winding section can be increased, thereby allowing magnetic flux to readily flow through the yoke. On an inner peripheral surface portion of the yoke 7, a pair of flat-surface... Agent: Rankin, Hill, Porter & Clark LLP

20070080601 - Commutator: A commutator for an electrical machine, which has a plurality of laminations that have contact faces and are separated from one another by slots in which, in the laminations, at least one groove is provided in the contact face, which groove extends essentially in the longitudinal direction of the respective... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070080602 - Brush apparatus for rotary electric machine: A brush apparatus for a rotary electric machine has a brush body contacting with a slip ring of a rotor, a spring pressing the brush body on the slip ring, a brush wire connected with the brush body, and a brush terminal having a connecting hole. A ratio of an... Agent: Oliff & Berridge, PLC

20070080603 - Motor vehicle ac generator having substantially identical rates of wear of the generator brushes: In an AC generator of a motor vehicle, having a positive polarity brush from which current flows into a corresponding slip ring and a negative polarity brush into which current flows from the corresponding slip ring, the brushes or the springs of the brushes are configured respectively differently, to achieve... Agent: Oliff & Berridge, PLC

20070080604 - Electric fan: An electric fan includes a frame (10) having a central tube (11) extending therefrom, a bearing (30) received in the central tube, a stator (50) mounted around the central tube, and a rotor (70) being rotatably supported by the bearing received in the central tube. The frame defines an air... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070080605 - Betavoltaic cell: High aspect ratio micromachined structures in semiconductors are used to improve power density in Betavoltaic cells by providing large surface areas in a small volume. A radioactive beta-emitting material may be placed within gaps between the structures to provide fuel for a cell. The pillars may be formed of SiC.... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070080606 - Injector control method: A method for controlling charging and discharging of a piezoelectric actuator for use in a fuel injector having an inject mode (12) and a non-inject mode (16); comprises applying a charging current of variable amplitude to the actuator during a charge mode (14), wherein the amplitude of the charging current... Agent: Delphi Technologies, Inc.

20070080607 - Damping and stabilization for linear motor stage: A system that facilitates damping of mechanical vibration associated with machinery that is subject to such mechanical vibration. The system comprises machinery with at least one moveable part and a piezoelectric actuator that is selectively applied to the machinery. The piezoelectric actuator receives voltages and is employed to facilitate damping... Agent: Rockwell Automation, Inc./(at)

20070080608 - Piezoelectric composite device, method of manufacturing same, method of controlling same, input-output device, and electronic device: A piezoelectric composite device including: a feeding electrode; a common electrode; a signal detecting electrode; a first piezoelectric element joined between the feeding electrode and the common electrode; and a second piezoelectric element joined between the common electrode and the signal detecting electrode; a predetermined voltage being supplied between the... Agent: Sonnenschein Nath & Rosenthal LLP

20070080609 - Low loss ultrasound transducers: An ultrasound transducer is constructed to be under damped at higher overtone frequencies by reducing losses through one or more of the following: even pressure shaped surfaces on masses, reversed drive to at least one piezoelectric ceramic, an ultrasonically formed metallic bond between the transducer's front mass and the radiating... Agent: Phillips Lytle LLP Intellectual Property Group

20070080610 - Surface mount type piezoelectric vibrator and manufacturing method of the same, an oscillator with the surface mount type piezoelectric vibrator, an electronic unit, and a wave clock: To provide a small-sized surface mount type piezoelectric vibrator with reduced mounting area, easy manufacturing, excellent reliability and quality, and low cost and a manufacturing method of the same. A surface mount type piezoelectric vibrator includes a piezoelectric vibrator having a piezoelectric vibrating piece bonded to an airtight terminal with... Agent: Bruce L. Adams, Esq.

20070080611 - Aluminum nitride thin film, composite film containing the same and piezoelectric thin film resonator using the same: A piezoelectric thin film resonator has a substrate and a piezoelectric layered structure including a lower electrode, piezoelectric aluminum nitride thin film with c-axis orientation and upper electrode formed on the substrate in this order. The lower electrode are made of a metal thin film including a layer containing ruthenium... Agent: Frommer Lawrence & Haug

20070080612 - Multi-layer piezoelectric element: A multi-layer piezoelectric element of high reliability and high durability, that undergoes smaller variations in the amount of displacement even when used under a high electric field and high pressure and is subject to less variations in the amount of displacement even when used in continuous operation over a long... Agent: Hogan & Hartson L.L.P.

20070075592 - Linear drive system: An improvement in high-speed and response performances is achieved with simple structure. A bed faces a movable table on which permanent magnets divided from each other in a stroke direction of the movable table are provided. One or more armature coils are provided on the bed facing the permanent magnets.... Agent: Wolf, Block, Shorr And Solis-cohen LLP

20070075593 - Motor modules for linear and rotary motors: A motor module, method, apparatus and system for implementing linear and rotary motors, such as relatively large rotary motors, are disclosed. In one embodiment, an electrodynamic machine can include magnets having angled magnetic surfaces and regions of predetermined magnetic polarization. The magnets can include a first array and a second... Agent: Kokka & Hsu, PC

20070075594 - Stepping motor control method: A stepping motor control method, comprising the step of magnetising at least one of a number of teeth within the stepping motor to move a rotor of the stepping motor into a position such that it contacts or maintains contact with a mechanical stop, wherein a first tooth is generally... Agent: Thomas Loop

20070075595 - Motor frame having embedded cooling coil: A method of manufacturing an apparatus, such as a motor or other rotating machine, having a cooling coil is provided. The exemplary method includes disposing a cooling coil within a casting mold and casting a component of the device such that the cooling coil is embedded within the component. A... Agent: Rockwell Automation, Inc./(at)

20070075596 - Self-cooled rotor for an electrical machine: A self-cooled rotor for an electrical machine being internally provided with a cooling channel to carrying cooling fluid. The machine includes a further channel for carrying cooling fluid in proximity to a magnetic field generating means for cooling it, the two passages being connected to each other within the machine.... Agent: Kaplan Gilman Gibson & Dernier L.L.P.

20070075597 - Arrangement with an electronically commutated external rotor motor: A motor structure resistant to liquid intrusion features two modules, the first having an electronically commutated external-rotor motor (20), which motor comprises an internal stator (22) that is arranged on a bearing tube (30) and is separated by a first air gap (24) from an external rotor (26; 92), which... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070075598 - Electric fan: An electric fan includes a frame (10) having a central tube (12) extending therefrom, a bearing (30) received in the central tube, a stator (50) mounted around the central tube, and a rotor (70) being rotatably supported by the bearing. The frame defines an air inlet (19) and an air... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070075599 - Optically commutated self-rotating drive mechanism: A self-rotating enclosure (6) containing an electric motor (4) particularly suited for use in very low power and low speed applications, including a counter-torque producing magnet (34). The motor comprises magnets (M3,M4) which generate magnetic fields to interact with currents in coils of wire (C2,C3) to generate relative rotational motion... Agent: Charmasson, Buchaca & Leach, LLP

20070075600 - Flexible lead for a pressfit diode bridge: An improvement to a bridge rectifier assembly of the type used to convert alternating current produced by an motor vehicle alternator into direct current. The bridge rectifier assembly of this type comprises a heat sink, a plurality of pressfit diodes installed in the heat sink, and a plurality of terminals... Agent: Ice Miller LLP

20070075601 - Oil-storing device used in bearing assembly in motor: The invention relates to an oil-storing device used in bearing assembly in a kind of motor including a rotor of motor and a stator of motor; the rotor includes a rotation shaft housing holding a shaft, many impellers which are settled in radial direction at proper interval along outer circumference... Agent: Dorsey & Whitney LLP Intellectual Property Department

20070075602 - Dc motor and manufacturing method for the same: A DC motor is provided with a yoke having a polygonal cylindrical shape and an inner wall surface provided with a plurality of consecutive flat surfaces, a plurality of permanent magnets each having a flat plate shape, being fixed on each flat surface on the inner wall surface of the... Agent: Pearl Cohen Zedek Latzer, LLP

20070075603 - Labyrinthine end disk rotor: A rotor configured to receive a cast internal conductive structure is disclosed. The rotor includes a rotor core having a plurality of rotor slots extending through the rotor core. The rotor also includes a plurality of slotted end members adjacent one another and axially aligned with the rotor core. One... Agent: Rockwell Automation, Inc./(at)

20070075604 - High slot utilization systems for electric machines: Two new High Slot Utilization (HSU) Systems for electric machines enable the use of form wound coils that have the highest fill factor and the best use of magnetic materials. The epoxy/resin/curing treatment ensures the mechanical strength of the assembly of teeth, core, and coils. In addition, the first HSU... Agent: Ut-battelle, LLC Office Of Intellectual Property

20070075605 - Claw pole rotating electric machine: A claw pole type rotating electric machine comprising first and second claw cores which are disposed on a ring shaped ring yoke portion and a plurality of claw magnetic poles which extend in the axial direction are provided, and stator cores are formed by meshing of the claw magnetic poles... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070075606 - Surface acoustic wave device and fabrication method therefor: A surface acoustic wave device includes a piezoelectric substrate, a surface acoustic wave element composed of electrodes provided on the piezoelectric substrate and the piezoelectric substrate, a first seal resin portion provided on the piezoelectric substrate and having a cavity on the surface acoustic wave element, and an inorganic insulation... Agent: Arent Fox PLLC

20070075607 - High-capacity ultrasonic composite oscillating device: The invention is intended to provide a high-capacity ultrasonic composite oscillating device that is sufficiently rigid as a composite oscillating body for various strong ultrasonic applications. One constructed such that BLTs (1, 1′, 2, 2′, . . . n, n′) of the same characteristics are disposed around an outer peripheral... Agent: Patrick D. Mcpherson Duane Morris

20070075608 - Drive unit: There is provided a drive unit which has high adhesive strength of its components and generates large drive power. The drive unit includes an electromechanical transducer, a driving friction member connected to an end surface of the electromechanical transducer and an engaging member engaging frictionally with the driving friction member.... Agent: Brinks Hofer Gilson & Lione

20070075609 - Actuator: An actuator comprises: an electromechanical conversion element; a driving frictional member mounted onto one side in an extension/contraction direction of the electromechanical conversion element, the driving frictional member being frictionally engaged with a driven member; and a weight member mounted onto the other side in the extension/contraction direction of the... Agent: Birch Stewart Kolasch & Birch

20070075610 - Driving mechanism: A driving mechanism comprises: (i) an actuator comprising: an electro-mechanical conversion element; and a driving member which moves according to elongation and contraction of the electro-mechanical conversion element; (ii) a driven member frictionally engaged with the driving member; and (iii) a case, wherein the actuator allows the driven member to... Agent: Birch Stewart Kolasch & Birch

20070075611 - Resonator, unit having resonator, oscillator having unit and electronic apparatus having oscillator: A resonator comprises a base portion and a plurality of vibrational arms connected to the base portion and vibratable in a flexural mode. An electrode is disposed on at least one of opposite side surfaces of each of the vibrational arms so that a capacitance ratio r1 of a fundamental... Agent: Bruce L. Adams, Esq. Suite 1231