Electrical generator or motor structure inventions 11/08

20080290741 - Planar motor: A planar motor includes a flat base element arranged in a plane, and substantially cuboidal first magnets arranged on the base element whose magnetization is perpendicular to the plane and which are arranged at evenly spaced intervals and with alternating polarity in a first direction and in a second direction.... Agent: Kenyon & Kenyon LLP

20080290740 - Primary part of a linear motor and linear motor therewith: The invention relates to a linear motor and in particular a primary part of the linear motor for the movement of a secondary part, with a plurality of coils for inducing a magnetic field transmitting force along an axis between the primary part and the secondary part and with teeth,... Agent: Fay Sharpe LLP

20080290742 - Acoustic wave generating apparatus and method: A tactile wave generating apparatus for generating amplified low frequency waves for transmission as tactile waves into a structure or a person's body. There is a housing in which is positioned a drive section that in turn comprises a magnet section that moves upwardly and downwardly as an inertial mass,... Agent: Jones, Tullar & Cooper, P.C.

20080290743 - Energy efficient robotic system: An energy efficient biped robotic system with passive-dynamic locomotion includes a body having a frame. An energy recapture mechanism is suspended within the frame. The energy recapture mechanism includes a load, a mechanical energy storage mechanism that interconnects the load and the frame, and a guide means secured to the... Agent: Gifford, Krass, Sprinkle, Anderson & Citkowski, P.C.

20080290744 - Automotive alternator: A regulator assembly mounting threaded aperture is formed on an inner wall surface of a rear bracket, and a receiving recess portion is recessed into an inner wall surface of the rear bracket around the regulator assembly mounting threaded aperture. A regulator assembly mounting penetrating aperture is disposed through a... Agent: Sughrue Mion, PLLC

20080290745 - Electrical hand-held power tool with cooling of electronics: An electrical hand-held power tool includes a drive motor, a ventilation device (10) for generating an air flow (L) along a main flow path (26) for cooling the drive motor (8), and an electronic device (22) for controlling operation of the drive motor (8) all of which are located in... Agent: Abelman, Frayne & Schwab

20080290760 - Disk brake for vehicle: A disk brake for a vehicle, includes: an electric motor which has a motor shaft provided with an armature and which is attached to a caliper body so as to exhibit a power for urging a friction pad toward a disk rotor; and a Hall IC for detecting a rotational... Agent: Arent Fox LLP

20080290761 - Interface module for arranging in or on a motor: Temperature or vibration sensors (14) are often used, in addition to a transmitter (13), to monitor a motor (12). The aim of the invention is to simplify the transmission of the sensor signals of a plurality of sensor devices (13,14) mounted in or on a motor (12). To this end,... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20080290762 - Rotor and an electrical machine comprising such a rotor: Rotor (10) of an electrical machine (12) having at least one hollow-cylindrical first permanent magnet (20), which has axial bearing faces (76) which interact with at least one holding element (24, 25), and having a sensor magnet assembly (22), wherein the first permanent magnet (20) and the sensor magnet assembly... Agent: Michael J. Striker

20080290763 - Automotive alternator: A circuit board heatsink 60 for cooling a regulator circuit board has a flat base portion 61. Fifteen fins 62 are respectively disposed so as to project vertically from a first surface of the base portion and are arranged so as to be parallel to each other. The regulator circuit... Agent: Sughrue Mion, PLLC

20080290764 - Electrodynamic machine control: An electrodynamic machine has a winding and a switching arrangement effectively dividing the winding into individually controllable portions. During a first operating condition, current flows through the entire winding in a manner controlled by the switching arrangement. In a second condition, the switching arrangement restricts current flow to only a... Agent: Carlson, Gaskey & Olds, P.C.

20080290746 - Drive with an electric motor, a housing and a direction-dependent brake: A drive with an electric motor, a housing and a direction-dependent brake, which includes a driver splined to a motor shaft, a drive output coupled freely pivotable around a small angle and shape-mated with the driver, several clamping devices and a clamping ring, in which the clamping devices cooperate with... Agent: Jacobson Holman PLLC

20080290748 - Electric motor: The invention relates to an electric motor with a housing, a rotor, a stator, an axle, and a bearing region with two bearings, where both bearings are arranged at the same side of the rotor in axial direction, wherein the housing is built in two parts, such that one part... Agent: Sughrue Mion, PLLC

20080290749 - End shield: A cast end shield for an electrical machine, said end shield supporting a bearing that supports the rotor, and said end shield having an opening in the middle. In the radial direction from the centre of the shield, there is an inner rim limited by the opening, an intermediate rim... Agent: Buchanan, Ingersoll & Rooney PC

20080290747 - Motor: A fixation portion of an attachment plate is fixed onto an upper surface of a flange portion of a housing. In a cylindrical retentive portion of the housing, there is formed an expanded diameter portion which is continuous to the flange portion. There is disposed a ball bearing in the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080290750 - Drive motor system: A motor drive system is provided. The system includes a torque converter for receiving a rotational motion from a source and producing a rotational output, the torque converter having a first body rotatable about a first axis, a plurality of first magnets mounted to the first body, a second body... Agent: Rene A. Vazquez Williams Mullen

20080290751 - Brushless permanent magnet motor with unequal-width slots and method of producing the same: A brushless permanent magnet motor with unequal-width slots and its manufacturing method completes a design of a regular motor with equal-width slots, employs a single-layer centralized winding, increasing the width equally on left and right sides of a first type of teeth wound with a coil until a width Wt3... Agent: Rosenberg, Klein & Lee

20080290752 - Axial gap motor: An axial gap motor including a rotor and stators, wherein: the rotor is provided with a plurality of primary magnet portions, a plurality of auxiliary magnet portions, and a rotor frame; the rotor frame is provided with a plurality of ribs that extend in the radial direction of the rotor... Agent: Arent Fox LLP

20080290753 - Motor: A motor is basically provided with a stator, a rotor, a low permeability layer and a current control device. The stator includes a magnetic stator core and a stator winding. The rotor includes a rotor core and a plurality of permanent magnets arranged to form N and S poles of... Agent: GlobalIPCounselors, LLP

20080290754 - Ac motor: The motor includes a rotor including N-pole magnets and S-pole magnets located alternately along a circumferential direction of said AC motor, a stator core including a plurality of partial cores arranged coaxially along an axial direction of said AC motor each of said partial cores including a plurality of stator... Agent: Oliff & Berridge, PLC

20080290755 - Motor: A motor may include an urging member which is mounted on a fixed body for urging the bearing, and a pair of engaging grooves formed on the fixed body. The urging member may includes a pair of hook parts which are bent from respective tip ends of a pair of... Agent: Cantor Colburn, LLP

20080290756 - Micro-electro-mechanical transducer having an insulation extension: A micro-electro-mechanical transducer (such as a cMUT) having two electrodes separated by an insulator with an insulation extension is disclosed. The two electrodes define a transducing gap therebetween. The insulator has an insulating support disposed generally between the two electrodes and an insulation extension extending into at least one of... Agent: Lee & Hayes, PLLC

20080290757 - Ultrasonic transducer array and a method for making a transducer array: A transducer array comprises a conductive back plate 32, a conductive front plate 33 having openings 62, and a plurality of piezoelectric vibrator elements 31 located in an array between the plates. The vibrator elements 31 are two-layer elements which each include a metal portion 311 and a PZT element... Agent: William S. Frommer, Esq. Frommer Lawrence & Haug LLP

20080290758 - Ultrasonic sensor and method for manufacturing the same: An ultrasonic sensor includes a cylindrical casing having a bottom portion. The casing has a piezoelectric element on a bottom surface thereof. A substrate is attached to an end surface of an opening portion of the casing with a damping member provided therebetween such that the damping member covers the... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20080290759 - Piezoelectric vibrator: An energy-trapping strip piezoelectric vibrator utilizing a third harmonic overtone of a thickness shear mode is provided. A piezoelectric vibrator 1 has a strip piezoelectric ceramic substrate 2 polarized in a longitudinal direction, and first and second excitation electrodes 3 and 4 provided on first and second principal surfaces 2a... Agent: Dickstein Shapiro LLP

20080284256 - Plastics injection-molding machine with integrated, linear-rotary direct drive: A plastics injection-moulding machine is to be equipped with a more compact drive that undergoes less wear. For this purpose, it is envisaged to integrate the direct rotational drive into the direct linear drive. Accordingly, the electric linear motor has a pot-shaped external rotor (13), in the inner space of... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20080284254 - Stator packet for a magnetic levitation train: A stator packet for magnetic levitation vehicles is described. The stator packet has a plurality of sheets (1) made from steel, two end sheets (14, 15) having perforations (16) at its ends and an anti-corrosion layer (2) at least partially surrounding the stator packet and will adhering thereto because of... Agent: Michael J. Striker

20080284255 - Voice coil motors and pre-compression generation devices thereof: A voice coil motor. At least one guide bar is connected to a fixed base. A coil is connected to the fixed base. A support base is movably fit on the guide bar. An annular magnetic member is connected to the support base and surrounded by the coil. A magnetization... Agent: Quintero Law Office, PC

20080284257 - Direct drive controller with haptic feedback: A reliable and cost-efficient direct drive force feedback motor is suitable for joystick applications, allowing multiple degrees of output freedom, requiring no coil commutation, and permitting compact packaging. A multiple degree-of-freedom motor consistent with the invention comprises an output shaft, a stator, and a rotor. The stator comprises first and... Agent: Kevin M. Drucker Hayes Soloway P.C.

20080284258 - Chassis component: Chassis part of a vehicle, with a magnet (2) and at least one electric coil (10), which interacts with the magnetic field generated by the magnet (2), wherein the magnet (2) and the coil (10) are mobile in relation to one another. The chassis part (13) can perform vibrations with... Agent: Mcglew & Tuttle, PC

20080284260 - Electromagnetic actuator and optical pickup device incorporating electromagnetic actuator: An electromagnetic actuator has a base plate including a plurality of electric wires queued in a queued direction at an interval. Each electric wire produces a magnetic field when supplied with current. A movable portion is mounted on the base plate and is movable relative to the base plate in... Agent: Ditthavong Mori & Steiner, P.C.

20080284259 - Linear actuator: A linear actuator is provided with a rotor and a stator. The rotor comprises at least two stacks of permanently magnetic rods one over another, the stacks being arranged at a predetermined distance from each other. The stator is at least partly produced from a soft magnetic material, and comprises... Agent: Hiscock & Barclay, LLP

20080284261 - Quick-action bistable polarized electromagnetic actuator: The invention relates to an electromagnetic actuator comprised of a mobile assembly, a fixed ferromagnetic stator assembly, at least one electric field coil, and of at least one permanent magnet, having two stable positions of equilibrium without current at its ends of travel. The invention is characterized in that the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080284262 - Stator coil with improved heat dissipation: A stator coil includes a plurality of copper strands and a layer of high thermal conductivity polymer disposed adjacent at least one of the copper strands. The high thermal conductivity polymer includes a host polymer and a high thermal conductivity filler. The high thermal conductivity polymer improves heat transfer from... Agent: Siemens Corporation Intellectual Property Department

20080284263 - Water jacket for a rotary machine and rotary machine comprising same: The invention concerns a water jacket for a rotary machine, the water jacket comprising at least one conduit (11) designed to be in cooling contact with at least one part of the machine and having at least one inlet coupling (12) and at least one outlet coupling for a coolant... Agent: Matthew R. Jenkins, Esq.

20080284288 - Electric rotating machine for vehicle: An electric rotating machine for a vehicle capable of reducing influence of leakage flux on a turning angle detector as much as possible and detecting a turning angle more accurately is provided. The electric rotating machine for a vehicle includes: a rotor core 12 that is fitted to a rotary... Agent: Sughrue Mion, PLLC

20080284264 - Electric submersible pumps: A method of pumping wellbore fluid, comprising the steps of: installing an electric submersible pump in a wellbore; and operating the pump at more than 4,500 rpm to pump the wellbore fluid. Pumping in this manner provides a number of advantages in use in that the required high-speed motor and... Agent: William B. Patterson Moser, Patterson & Sheridan, L.L.P.

20080284265 - Water-resistant electric motor: A water-resistant electric motor includes a housing for receiving an electric motor armature therein and an end cap for closing an open end of the housing. The housing includes a drive shaft aperture within a cylindrical recess that receives a journal bearing and a ring seal. The end cap includes... Agent: Lanier Ford Shaver & Payne P.C.

20080284266 - Electric motor: An electric motor has a wound rotor having a shaft, a rotor core, a commutator and windings wound about the rotor core and connected to the commutator. It has a stator confronting the rotor; brush gear connecting the commutator to motor terminals; first and second bearings for rotatably supporting the... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080284267 - Rotor assembly: Devices and methods are provided for a rotor assembly and an electric motor. One embodiment for a rotor assembly includes a first rotor including a first interface surface and a second rotor including a second interface surface corresponding to the first interface surface. Also, the first rotor is positioned with... Agent: Brooks, Cameron & Huebsch , PLLC

20080284268 - Electric submersible pumps: A method of pumping wellbore fluid, comprising the steps of: installing an electric submersible pump in a wellbore; and operating the pump at more than 4,500 rpm to pump the wellbore fluid. Pumping in this manner provides a number of advantages in use in that the required high-speed motor and... Agent: William B. Patterson Moser, Patterson & Sheridan, L.L.P.

20080284269 - Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine: A magnetic gap is provided between a permanent magnet of a rotor and an auxiliary magnet pole portion which is arranged adjacent to the permanent magnet in a peripheral direction. A gradual change in a magnetic flux density distribution of a surface of the rotor is obtained and a cogging... Agent: Crowell & Moring LLP Intellectual Property Group

20080284270 - Driving apparatus: A rotating electric machine comprises a stator having stator salient poles, three-phases windings would around said stator salient poles, a rotor rotatable held inside the said stator, and permanent magnets inserted into said rotor and positioned opposite to said stator salient poles. The three-phase windings are concentratively wound around each... Agent: Crowell & Moring LLP Intellectual Property Group

20080284271 - Motor having rivetless rotor core: The motor includes a cylindrical rotor core, a plurality of magnets axially penetrated in the rotor core, a pair of separation-preventing plates installed at both ends of the rotor core, and at least one fixing member to fix the separation-preventing plates to the rotor core. The fixing member includes a... Agent: Staas & Halsey LLP

20080284272 - Electric motor: In a terminal of an electric motor, a branch projects from a terminal connection on a side opposite from an extension. A projecting end side of the branch extends in an installation direction of the terminal, which is a direction for installing the terminal to a housing. The terminal is... Agent: Posz Law Group, PLC

20080284273 - Lead frame: Devices and methods are provided for a lead frame, stator, and electric motor. One embodiment for a lead frame includes two or more control tracks for connection to a stator winding. The lead frame also includes a Hall-effect sensor coupled to two or more signal tracks for sensing a magnetic... Agent: Brooks, Cameron & Huebsch , PLLC

20080284274 - Vibration-damping rotor assembly: A rotor assembly comprising: an inner rotor and an outer rotor for rotating in a magnetic field of a motor, the inner rotor comprising a main inner rotor cavity, and a plurality of first holes being formed between the inner rotor and the outer rotor; two side boards, each side... Agent: Matthias Scholl

20080284275 - Outside rotor electric machine with reduced air gap variation: A method of providing an outside rotor electric machine having a reduced radial air gap variation across an axial length of the air gap, the machine including a rotor having a cylindrical elongated portion supporting magnets and a flange extending at least partially radially from a rotating shaft, the method... Agent: Ogilvy Renault LLP (pwc)

20080284276 - Coiled transmission line pulse generators: Methods and apparatus are provided for fabricating and constructing solid dielectric “Coiled Transmission Line” pulse generators in radial or axial coiled geometries. The pour and cure fabrication process enables a wide variety of geometries and form factors. The volume between the conductors is filled with liquid blends of polymers and... Agent: Kenneth Mcdonald Eleanor Mcdonald

20080284279 - Actuator: According to the present invention, a stable operation of an actuator is realized. An actuator 1 according to the present invention includes: a movable section 5; a stationary section 10 for supporting the movable section 5; driving electrode portions 8 and 9 for driving the movable section 5; and a... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080284278 - Electric thruster: Electric thrusters for generating thrust using a high voltage power supply and insulated and uninsulated electrodes. The electrodes are connected to opposite poles of a high voltage power supply. In one aspect, an electric thruster comprises a high voltage power supply, a first uninsulated electrode having pointed features, a second... Agent: Borbas Miklos

20080284277 - Electroactive polymer actuator and manufacturing method thereof: An electroactive polymer actuator and a method for manufacturing the electroactive polymer actuator are provided. The electroactive polymer actuator includes an actuator unit which is a laminate of a plurality of deformation layers; and a support layer which supports the actuator unit so that the actuator unit provides displacement corresponding... Agent: Sughrue Mion, PLLC

20080284280 - Method of stabilizing a frequency of a piezoelectric vibration element: A piezoelectric vibration element is provided which includes a piezoelectric substrate formed of a thickness slip based piezoelectric material and a metal layer formed on a surface of the piezoelectric substrate. In the piezoelectric vibration element, a surface of the metal layer is covered by a layer formed by chemical... Agent: Oliff & Berridge, PLC

20080284281 - Electronic apparatus: The electronic apparatus comprises a display portion and a quartz crystal oscillator at least, and said electronic apparatus comprises at least one quartz crystal oscillator. Also, the at least one oscillator comprises a quartz crystal oscillating circuit comprising an amplification circuit and a feedback circuit. The feedback circuit is constructed... Agent: Bruce L. Adams, Esq. Adams & Wilks

20080284282 - Vibrator module: A vibrator module includes a frame having an outer frame and an inner frame. A vibrator unit is formed inside the inner frame. The frame and the vibrator unit are formed of a piezoelectric ceramic or the like as one piece. On one side of the vibrator unit, an IC... Agent: Dickstein Shapiro LLP

20080284283 - Piezo stack with novel passivation: An electrical passivation of surfaces of an electronic component which have electrodes is intended to be carried out in simple and effective fashion and also to be stable in chemically and thermally unfavourable environments. For the passivation, a plastic film, for example made of epoxy, is laminated onto the surface.... Agent: Baker Botts L.L.P. Patent Department

20080284284 - Resonant actuator: A resonant actuator includes a driving unit having a displacement element that vibrates at a resonance frequency or in a frequency range in the vicinity of a resonance frequency and having a driven member that is driven by the displacement element, in which the displacement element has a piezoelectric ceramic... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20080284285 - Vibration actuator, lens barrel, camera, manufacturing method for vibration body and manufacturing method for vibration actuator: To provide a vibration actuator, a lens barrel, a camera, a manufacturing method for a vibration body and a manufacturing method for a vibration actuator, which have a high driving efficiency and can lead to easy manufacture. A vibration actuator of the present invention is provided with an elastic body... Agent: Ditthavong Mori & Steiner, P.C.

20080284286 - Piezoelectric ceramic and method for making the same, and piezoelectric resonator and method for making the same: A piezoelectric ceramic whose resonance frequency temperature characteristic can be easily adjusted is provided. It contains first and second parts (11 and 12) which can be alternately stacked layers. The first and second parts (11 and 12) are each composed of a compound having a bismuth layer structure, such as... Agent: Dickstein Shapiro LLP

20080284287 - Ultrasonic transducer device and ultrasonic wave probe using same: The present invention provides an ultrasonic transducer device to send and receive ultrasonic waves, comprising a semiconductor substrate, a lower electrode disposed on the semiconductor substrate, a gap disposed on the lower electrode, a third insulation film disposed on the gap, an upper electrode disposed on the third insulation film,... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080278008 - Generator for converting mechanical vibrational energy into electrical energy: An electromechanical generator for converting mechanical vibrational energy into electrical energy, the electromechanical generator comprising a substantially annular high-permeability core, the core including at least one magnet therein to define a magnetic circuit, at least one rotatable bearing mounting the core to at least one bearing support, the at least... Agent: Carstens & Cahoon, LLP

20080278009 - Method and apparatus for generator rotor tooth repair: Disclosed is a method of repairing at least one side of a dovetail portion of a generator slot wall. The dovetail portion of the slot wall is receptive of at least two adjacent slot wedges, and the dovetail portion includes a radial entry surface, an inwardly tapered surface, and an... Agent: Cantor Colburn, LLP

20080278010 - Switched reluctance motor: A switched reluctance motor has a rotor and a stator. The stator has first and second stator magnetic pole groups sequentially placed in an axial direction of the rotor. First and second stator magnetic poles in each group are alternately arranged on a same circumference. The first stator magnetic poles... Agent: Oliff & Berridge, PLC

20080278011 - Stator assembly for use in a fluid-cooled motor and method of making the same: A stator assembly for use in a fluid-cooled motor is disclosed, wherein a cooling jacket is disposed around a main body of the stator, the cooling jacket including at least one conduit adapted to receive a coolant therein, thereby minimizing a complexity and a cost of manufacture of the stator... Agent: Fraser Clemens Martin & Miller LLC

20080278013 - Vibration motor holding structure and vibration motor: There is provided a holding structure to hold a vibration motor on a circuit board with a sufficient holding strength using an inexpensive and simple means such as caulking and bonding and a vibration motor held on a circuit board using the holding structure. The holding structure having a holder... Agent: Mcdermott, Will & Emery LLP

20080278012 - Vibration-generating stepping motor: The present invention provides a vibration-generating stepping motor including: two stator yokes; a bearing that magnetically couples the two stator yokes; a rotor frame that rotates on a circumference of the stator yokes; and an eccentric weight that shifts a gravity center of the rotor frame from a rotation center... Agent: Brinks Hofer Gilson & Lione

20080278014 - Flat electrical generator: An electrical generator includes a rotary disk that is made of plastic injection molding in which a plurality of coils each having an exposed contact is embedded. Two stationary disks are arranged on opposite sides of the rotary disk and each has an inside surface that opposes the rotary disk... Agent: Leong C Lei

20080278015 - Actuator having an electric actuating motor and controllable friction clutch having such an actuator: An actuator comprises an electric actuating motor, a transmission mechanism and an actuating element, the actuating motor being a DC motor which comprises a first part having permanent magnets and a second part having windings and pole teeth. In order to be able to hold the actuator in any desired,... Agent: Bachman & Lapointe, P.C.

20080278016 - Rotor of magneto generator: In a rotor of a magneto generator in which permanent magnets are attached to the inner circumference of a peripheral wall of a cup-shaped formed flywheel, and a plurality of trigger poles are arranged on the outer circumference of the flywheel; the plurality of trigger poles are simultaneously punched out... Agent: Sughrue Mion, PLLC

20080278017 - Rotor of permanent magnet rotating electric machine: A permanent magnet rotating electric machine has a stator provided with a plurality of windings, and a rotor in which magnets are disposed in slots formed in a rotor core along an outer circumference thereof. The rotor core is fixed on a rotary shaft rotating inside the stator, and one... Agent: Crowell & Moring LLP Intellectual Property Group

20080278018 - Bldc motor assembly: A BLDC electric motor assembly (24) includes a rotor (42) having a plurality of magnet segments (50) securely retained thereabout by an annular ring (68) which is shrunk in situ in an electromagnetic forming operation. The magnet segments (50) are formed with tongues (62, 64) on their upper and lower... Agent: Dickinson Wright PLLC

20080278019 - Magnetic force rotation device: A magnetic force rotation device includes a rotor and a stator. The rotor is provided with a plurality of magnetic assemblies containing permanent magnet. The plurality of magnetic assemblies are arranged along the circumferential direction of the rotating shaft to form a wheel-shaped ring, and each magnetic assembly is provided... Agent: Dr. Banger Shia Int''l Patent Office Of Bang Shia

20080278020 - Stator for permanent magnet electric motor using soft magnetic composites: A stator of an electrical machine operable as a motor or a generator, applicable to a radial-axial type machine. The stator includes a plurality of stator segments disposed circumferentially about an axis. Each segment has a generally wedge shaped core and a winding wound around the core. The winding is... Agent: Buchanan, Ingersoll & Rooney PC

20080278022 - Conical magnets and rotor-stator structures for electrodynamic machines: Embodiments of the invention provide for conical magnets for rotors in electrodynamic machines, methods to design the same, and rotor-stator structures for electrodynamic machines. In various embodiments, a rotor-stator structure for electrodynamic machine can include field pole members and conical magnets. According to at least some embodiments, one or more... Agent: Kokka & Backus, PC

20080278021 - Stress distributing permanent magnet rotor geometry for electric machines: A rotor includes a cylindrical rotor core having an outer circumferential surface and a plurality of magnet insertion holes formed in the rotor core and arranged circumferentially at a preset angular interval about the rotational axis of the rotor core. Each hole extends in a direction parallel to the rotational... Agent: Buchanan, Ingersoll & Rooney PC

20080278023 - Brushless motor and manufacturing method therefor: Winding is wound around each of a plurality of core arm portions formed integrally with a core cylinder portion of a stator core. Windings wound around the respective core arm portions are 3-phase-configured such that one end of winding of each phase extends outwardly as an output wire, three output... Agent: Mcglew And Tuttle, P.C.

20080278024 - Radial stepping motor: The present invention provides a radial stepping motor including: a coil that is comprised of a self-bonding magnet wire wound and fusion-bonded and that has annular surfaces; stator yokes that are supported by the annular surfaces of the coil; and bonding sheets bonding the stator yokes to the coil.... Agent: Brinks Hofer Gilson & Lione

20080278025 - Fluid-dispensing reservoir for large-diameter slip rings: The invention provides an improvement in a slip ring (20) adapted to provide electrical contact between a stator (21) and a rotor (22). The improvement includes: a current-carrying conductor (23) mounted on the stator; a brush tube (24) mounted on the conductor; a fiber bundle composed of a number of... Agent: Phillips Lytle LLP Intellectual Property Group

20080278026 - Graphite brush, and a motor with graphite brush: To provide a graphite brush (1) that does not wear easily but has an extended longevity regardless of its operating temperature, and a motor with such graphite brush (1). The graphite brush (1), for supplying electricity to a coil (17) wound around a core (9) provided for a rotor (2)... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080278027 - Motor and method for manufacturing the motor: A motor includes a shaft; a sleeve that supports the shaft rotatably; a housing including a cylindrical holding portion for holding an outer circumferential surface of the sleeve; a stator held against the cylindrical holding portion; and an attachment plate including an attachment portion held against the outer circumferential surface... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080278028 - Methods and apparatus for harvesting biomechanical energy: Methods and apparatus are disclosed for harvesting energy from motion of one or more joints. Energy harvesters comprise: a generator for converting mechanical energy into corresponding electrical energy; one or more sensors for sensing one or more corresponding characteristics associated with motion of the one or more joints; and control... Agent: Chernoff, Vilhauer, Mcclung & Stenzel

20080278030 - Drive unit and drive module: A drive unit and drive module which use a shape memory alloy as a drive source to move a driven member, and which can drive at a high speed, independently of the ambient temperature and the position of the driven member. The timing of moving the driven member is controlled... Agent: Sidley Austin LLP

20080278029 - Electroless plating production of nickel and colbalt structures: A method comprising forming a structural element 115 on a surface 620 of a layer 510 via an electroless plating of nickel or cobalt 130 onto the surface, the layer being rigidly fixed to an underlying substrate 110. The method also comprises etching away a portion of the layer such... Agent: Hitt Gaines, PC Lsi Corporation

20080278031 - Transducer working with surface waves: A transducer operating with surface acoustic waves is specified, which is divided into cells, whose length essentially equals one wavelength, comprising cells of the second type, which are SPUDT cells and which have an excitation intensity of 100%, and at least one cell of the first cell type, which has... Agent: Fish & Richardson PC

20080278032 - Drive unit: A vibratory actuator includes a piezoelectric element, a driver element provided on the piezoelectric element and a movable body supported by the driver element. A control unit supplies a first voltage and a second voltage at the same frequency to the piezoelectric element. By supplying the first voltage and the... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080278033 - Piezoelectric element, vibratory actuator and drive unit: A piezoelectric element is formed by stacking piezoelectric layers and internal electrode layers. The internal electrode layers are positive and negative electrode layers. The positive electrode layers are first and second positive electrode layers. The negative electrode layers are first and second negative electrode layers. Each of the first positive... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080278034 - Driving device: In order to provide a driving device that can be made more compact and shorter in height, a driving mechanism of a driving device according to the present invention includes: a flex movement member 1 that exhibits flex movement when excited by electronic control, and a first fixing member 14... Agent: Edwards Angell Palmer & Dodge LLP

20080278035 - Vibration actuator: An ultrasonic actuator includes: an actuator body using a piezoelectric element and generating a plurality of vibrations of different vibration directions; a driver element provided in the actuator body and operated in accordance with the vibration of the actuator body to output a driving force in a predetermined driving direction;... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080278036 - Multi-layer gas matrix piezoelectric composite transducer: A piezoelectric transducer (10) includes (a) a first gas matrix piezoelectric composite (12) having a side including at least one positive pole (+) and another side including at least one negative pole (−); (b) a second gas matrix piezoelectric composite (14) having a side including at least one positive pole... Agent: The Webb Law Firm, P.C.

20080278037 - Drive unit: A drive unit includes a guide, a stage which is movable relative to the guide, an ultrasonic actuator for moving the movable body and a control unit for controlling the ultrasonic actuator. The ultrasonic actuator includes a driver element in contact with the stage and is fixed to the guide.... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080278038 - Piezoelectric device, process for producing the piezoelectric device, and liquid discharge device: A piezoelectric device includes a piezoelectric film, and electrodes through which an electric field can be applied to the piezoelectric film along the thickness direction of the piezoelectric film. The piezoelectric film contains a ferroelectric phase in which the thickness direction and a normal of a plane determined by the... Agent: Birch Stewart Kolasch & Birch

20080272659 - Electro-magnetic force driving actuator and circuit breaker using the same: An electromagnetic force driving actuator and a circuit breaker using the same is disclosed. The actuator comprises a casing that forms two paths having a certain length in longitudinal direction, and forms a middle wall by the two paths; a main magnetic field generation element that is allocated on the... Agent: Mcneely Bodendorf LLP

20080272660 - Magnet component for attachment to a shaft: The invention relates to a magnet module for fixing to a shaft (4), said module comprising a magnet holder (8) consisting of an injection moulded plastic material, and a magnet element (9). The magnet holder (8) and magnet element (9) are embodied as separate components, the magnet element (9) being... Agent: Michael J. Striker

20080272661 - Liquid cooled rotor assembly: A rotor assembly cooling system (100) and method of using same are provided. A portion of the rotor shaft (103) is hollow, the rotor shaft including an open end (107) and a closed end (105). A coolant feed tube (109) is rigidly attached to the rotor shaft (103) using one... Agent: Patent Law Office Of David G. Beck

20080272662 - Compact electrical motor: A compact electrical motor (10) especially suitable for being used for applications that do not require a constant revolution speed and a precise position control comprising a rotor (24), a stator (26), at least one electrical winding (28) and at least one further electrical winding (30) arranged coaxially to said... Agent: Bucknam And Archer

20080272663 - Magneto rotor: A magneto rotor in which a plurality of magnets are secured on an inner periphery of a peripheral wall portion of a cup-like rotor yoke, and a magnet protecting cover is provided that integrally has a cylindrical portion that covers inner peripheries of the magnets, and an outer flange that... Agent: Pearne & Gordon LLP

20080272664 - Permanent magnet electro-mechanical device providing motor/generator functions: Apparatus and methods for providing and controlling a permanent magnet electro-mechanical device that functions as a motor or generator are disclosed. The electro-mechanical device uses control coils to steer magnetic flux of permanent magnets placed between stator segments. The control coils can be wound around the bridge of a stator... Agent: Wilmerhale/boston

20080272665 - High precision motor and its machining and assembling method: A motor includes a stator, a rotor, a shaft (50) and two end caps (10, 40), which are assembled together. According to the precision requirements, the outer circumference of the rotor core (20), and the outer circumference, the inner bore (33), the end surfaces of the stator core (30) are... Agent: Byip, Ltd.

20080272666 - Arcuate coil winding and assembly for axial gap electro-dynamo machines (edm): An axial gap EDM deploys as a stator coils a series of two parallel serpentine windings that each circumscribe an arc segment of a circle. Each arc segment that forms the stator winding assembly is powered as a separate phase. The two winding are readily formed by shaping one or... Agent: Edward S. Sherman, Esq.

20080272667 - Interior permanent magnet motor and rotor: An electric machine includes a stator and a rotor core positioned adjacent the stator and rotatable about a longitudinal axis. The rotor core includes a plurality of bar apertures, a plurality of elongated flux barriers separate from the bar apertures and positioned radially inward of the bar apertures, and a... Agent: Michael Best & Friedrich LLP

20080272668 - Three-phase dc motor: A three-phase DC motor includes a rotor having plurality of magnetic poles, and a stator. The stator has three corners. The second corner is adjacent to a first direction of the first corner. The third corner is adjacent to a second direction of the first corner. The first corner, the... Agent: Rosenberg, Klein & Lee

20080272669 - Electric machine, in particular a synchronous motor, with redundant stator windings: The electrical machine (1) has a stator (2) and a rotor (5), wherein the stator (2) has stator slots (8), in which a stator winding (4) with redundant and at least three-phase winding systems (U1, V1, W1; U2, V2, W2) is laid. According to the invention, the electrical machine (1)... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20080272670 - In-situ lubrication of sliding electrical contacts: A method for in-situ solid lubrication of sliding electrical contacts includes the steps of providing a device having a movable electrically conductive first member and an electrically conductive second member, the first and second member being in electrical contact at a slideable electrical contact, and automatically applying an electrically conductive... Agent: Akerman Senterfitt

20080272671 - High speed generator rotor design incorporating positively restrained balance rings: A generator may incorporate a positively restrained balance ring. A generator may include a rotor core including a rotor, and a balance ring. The balance ring may include a weight. The balancer may include a plurality of balance holes in the ring, at least one of the plurality of balance... Agent: Honeywell International Inc.

20080272672 - Drive unit: A drive unit includes a control unit for controlling an ultrasonic actuator. The control unit performs switching between a normal operation mode in which the piezoelectric element unit vibrates at a frequency close to a resonance frequency of longitudinal vibration in the lengthwise direction of the piezoelectric element unit and... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080272673 - Compact size electromechanical translation apparatus: A linear electromechanical translation apparatus is provided of the type comprising first and second clamps fixed to a support, first and second elongate movable members each extending through one of the clamps, and an extension actuator connected between the movable members and adapted to move each one of the elongate... Agent: Adams Patent & Trademark Agency