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7622834 |
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...
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7622753 |
Ignition circuit
A component formed in a substrate of a first conductivity type, having two inputs and two outputs and: a first diode having its anode connected to a first input and having its cathode connected to...
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7615898 |
Integrated stator and rotor for a DC brushless ceiling fan motor
A stator and rotor for a DC brushless ceiling fan motor includes an integrated design of the stator and rotor to form an integrated stator, the integrated stator is made of a permeable material and...
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7610973 |
Automotive electric motor-generator apparatus
An inverter unit is provided with: a case for housing a circuit board on which switching elements, diodes, and a capacitor are mounted; and a heat sink constructed integrally with the case. The...
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7608950 |
Traction motor shaft connected to vehicle ground via drive gear
In order to prevent bearing currents, particularly in converter-operated traction motors ( 1 ), the housing ( 11 ) is grounded via a grounding capacitor (C ground ).
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7603759 |
Method for manufacturing a motor having a control circuit board
A control circuit board is received in a circuit board receiving case without being directly joined to the circuit board receiving case and has a circuit board side connector. The circuit board...
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7586222 |
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...
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7576456 |
Linear actuator
In a linear actuator ( 1 ), on the inside of a rectangular tubular movable element ( 3 ), a linear guide ( 14 ) that supports the movable element ( 3 ) so as to be linearly movable is positioned at...
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7568893 |
Electric air pump for secondary air supply system
When an air pump is operated, a brush temperature increase rate stored in an ECU in relation to a discharge pressure of the air pump and a brush temperature is multiplied by a calculation cycle...
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7557477 |
Electric machine with integrated power electronics and method for producing the bond of the DC bars with the DC contacts surfaces of the power semiconductor of the power electronics
The proposed electric machine with integrated power electronics is modularly constructed, it being possibly prefabricated and separately to install the parts stator carrier ( 2 ), control ( 10 )...
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7554230 |
Control circuit device for motor, method for manufacturing the device, and motor having the device
A control circuit device for a motor is provided with a circuit board which has an electrically-conductive terminal for electrically connecting the motor with an exterior connector, a heat...
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7554227 |
Heat-dissipating device for motor base
A motor includes a base having a fixing seat, an axial tube mounted to the fixing seat, a rotor mounted to the axial tube, and a circuit board mounted to the base and including a stator and at...
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7548004 |
Passive levitation in alternating magnetic fields
Stable levitation of an object in an alternating magnetic field can be achieved by eliminating coupling between the rotational and translational forces acting on the object. Stable levitation can...
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7540718 |
Hermetic compressor
A hermetic compressor comprises a hermetic container, an electric motor installed inside of the hermetic container, a compressing mechanism disposed within the hermetic container and driven by the...
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7535136 |
Protector mounting apparatus for protector mounted on the windings of a motor
A motor includes a protector electrically connected to the windings and positioned on the coil. A rigid bracket is sized and shaped to receive the protector. A fastening system extends over the...
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7525825 |
Snap in high power, high current connector with integrated EMI filtering
A filter assembly is provided which includes a Faraday cage interface. Electrical noise is filtered by the Faraday cage interface. The Faraday cage interface is configured to prevent passage of...
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7521827 |
Motor ground seal
A shaft seal assembly is disclosed having a stator including a main body and axial and radial projections therefrom. The rotor is radially extended and encompasses the axial and radial projections...
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7518853 |
Electric power distribution device
A band-shaped bus bar includes a flat part disposed at the center thereof, and a curved part at both ends in a length direction. A receiving groove for receiving the bus bar is extended along a...
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7511393 |
Motor and brush holder thereof
A brush holder of a motor is provided with a holder body portion and a connector portion, which are integrally formed from a resin. The holder body portion is installed in a yoke housing of the...
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7508107 |
High current rotating exciter
A rotor for an exciter to be used to energize the field winding of a generator-rotor of a generator, the rotor defining an axis and including at least two conductor bars aligned substantially...
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7501727 |
Alternator voltage control apparatus
An alternator includes: a rotor fixed to a shaft so as to rotate with the shaft; a stator disposed so as to surround the rotor, an alternating current being generated in the stator by a rotating...
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7479718 |
Electric rotating machine
An electric rotating machine comprises: a stator; a rotor that includes a rotary shaft, and rotates coaxially with the stator; a bracket supporting and fixing the stator, and supporting rotatably...
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7459814 |
Hybrid induction motor
The hybrid induction motor includes a housing; a stator installed in the housing and having a stator core portion and a stator coil portion; a rotor coupling body having a rotary shaft rotatably...
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7456531 |
Switching device, generator-motor apparatus using switching device, drive system including generator-motor apparatus, and computer-readable recording medium on which a program for directing computer to perform control of generator-motor apparatus is recorded
A generator-motor apparatus ( 100 ) includes a control circuit ( 20 ), an alternator ( 50 ), electrode plates ( 83, 84 ), and switching devices (SW 1 to SW 6 ). The electrodes plates ( 83, 5 84 )...
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7439642 |
Brushless DC motor and magnetic compensation method thereof
A magnetic compensation method for a brushless DC motor. The method of magnetic compensation for the motor provides the magnetic element disposed adjacent to the magnetic sensor to compensate the...
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7436093 |
Turbomolecular vacuum pump
The turbomolecular vacuum pump with active magnetic bearings comprises an enclosure ( 110 ) defining a primary vacuum chamber ( 116 ), a rotor ( 120 ), an electric motor ( 107 ), an axial magnetic...
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7427816 |
Component carrier
The invention provides a structure and method of its use comprising a filtering and interference suppression device ( 62 ), particularly of the broad band type, for an electric motor ( 34 )...
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7420312 |
Rotating electrical machine
Provided is a rotating electrical machine including an armature core on which an armature winding is wound; a rotor core which is supported by a rotation axis at a predetermined air gap in an inner...
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7420302 |
Mid shield bearing support of an electric motor
An electric motor includes a motor enclosure, a motor-bearing assembly, a motor control unit, a mid shield, and a bearing. The motor-bearing assembly is configured for placement within the motor...
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7414337 |
Scrubber
A tool having a housing into which a motor assembly and a battery assembly are inserted. A circuit board can be employed to electrically connecting the battery assembly to the motor assembly even...
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7411325 |
High efficiency combination motor and drive
A brushless permanent magnet motor has a rotor constructed of spaced ferromagnetic backirons and a circumferential array of alternating polarity magnetic poles that drive magnetic flux back and...
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7411324 |
Generator-motor
A generator-motor includes an alternator, electrode plates, a substrate, MOS transistors, and an MOS driver. Electrode plates are arranged on an end surface of the alternator so as to substantially...
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7400071 |
Selectively configurable electric motor
A selectively configurable electric motor comprises a stator and a plurality of poles electrically coupled to the stator. The selectively configurable electric motor also includes an actuator...
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7394176 |
Electric drive with sensor mounted on printed circuit board
An electric drive ( 1 ) with a motor housing ( 16 ), a bearing plate ( 4 ), an electrically insulating brush holder plate ( 3 ) with formed-on plug housing ( 11 ), a printed circuit board ( 13 )...
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7392565 |
Tandem windshield wiper system with bellcrank linkage
A tandem windshield wiper system including a first windshield wiper assembly having a first lever arm that is adapted to operatively move in a repeated wiping motion across the surface of a...
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7391137 |
Circuit arrangement for EMC interference suppression for a direct current motor and a switching module
The invention relates to a circuit arrangement and a switching module, in which an attenuator is, for EMV suppression of a DC motor, connected to the lines of the DC motor. The attenuator comprises...
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7389561 |
Tandem windshield wiper system with direct drive motor
A tandem windshield wiper system that includes at least one brushless DC motor to provide drive torque through an output that is rotatable about the longitudinal axis of the motor. A first...
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7378767 |
AC dynamo electric machine with magnetic reluctance portion linking rotational position detector to AC dynamo electric machine body
An AC dynamo electric machine for a motor vehicle includes an AC dynamo machine body 100 composed of a rotor 10 constituted by a first rotatable shaft 12 supported rotatably by a pair of...
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7365458 |
Brushless DC motor with molded resin housing
An invention is provided wherein the bearings of a molded motor do not become electro-eroded. An inner rotor type, brushless DC motor 10 is provided having a stator 22 which has a stator core ...
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7365457 |
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...
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7362017 |
Motor with integrated drive unit and shared cooling fan
An integrated motor and drive assembly includes a motor, a fan, and a drive unit. The motor is responsive to at least one drive signal. The fan is axially aligned with the motor and operable to...
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7355520 |
Motor diagnostic indicator
A motor receiving power from a power source. The motor comprises a motor housing, a stator at least partially disposed within the motor housing and supported by the motor housing, a rotor disposed...
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7345391 |
Method and apparatus for attachment of a cover for a dynamoelectric machine
A cover assembly for one end of a rotating electrical machine includes a one-piece cover formed of plastic material attached to an end frame supporting at least one electrical component to protect...
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7339295 |
Electric machine with improved temperature monitoring system
An electric machine includes a heat-generating machine component, and a temperature radiation detector for contactless determination and/or measurement of heat radiating from the machine component...
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7336007 |
System and method to control a rotary-linear actuator
A system and method are disclosed for controlling an integrated rotary-linear actuator system that may be coupled to a network via a network interface. The integrated rotary-linear actuator system...
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7332844 |
Alternator with removable brush block and method of changing brushes in an alternator
An alternator comprises a housing including a first portion, and a second portion having a plurality of electrical connectors and having an aperture; a stator supported in the first portion of the...
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7332840 |
Fan motor with IC retention means
A fan motor includes a printed circuit board ( 200 ), an IC ( 100 ) and an insulating frame ( 50 ) mounted on the printed circuit board. The insulating frame includes an annular main body ( 44 )...
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7323798 |
Microwave displacement measurement system for an electrodynamic direct drive
An electrodynamic direct drive includes an armature that travels within a housing and a drive system for moving armature in relation to housing. The drive system has two drive means, that are moved...
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7312547 |
Alternator with replaceable resistor, and method of changing the maximum output current of an alternator
An alternator comprises a housing including a first portion, and a second portion having a plurality of electrical connectors and having an aperture; a stator supported in the first portion of the...
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7312545 |
Controller for electric power steering and electric power steering system
An electric power steering drive system provided with a motor with its torque pulsation reduced, and a controller characterized by excellent manufacturability. The stator core of a motor is...
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