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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...
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...
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...
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...
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 ).
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...
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...
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...
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...
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 )...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 )...
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...
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...
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 )...
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...
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...
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...
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...
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...
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...
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 )...
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...
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...
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...
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...
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 ...
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...
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...
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...
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...
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...
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...
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...
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 )...
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...
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...
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...