Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217)
07/2007
07/12/2007US20070160352 Apparatus and method compensating recurring false speed errors in DC motor and disk drive adopting same
07/12/2007US20070159755 Selective potting for controlled failure and electronic devices employing the same
07/12/2007US20070159121 Electric power converter, electric power converter controlling method and electric power converting system
07/12/2007DE202006003176U1 Bedienungseinheit für elektromotorische Antriebe für ein verstellbares Möbel Operating unit for electric motor drives for an adjustable furniture
07/11/2007CN1996743A Brushless DC motor control device and control method therefor
07/11/2007CN1326317C Motor drive control
07/11/2007CN1325797C Equipment and method for controlling operation of linear compressor
07/10/2007US7243058 Method and circuit for operating a voice coil actuator of a mass data storage device
07/10/2007US7242857 Motor control circuit
07/10/2007US7242163 System and method for clamp current regulation in field-weakening operation of permanent magnet (PM) machines
07/10/2007US7242161 Control device for motorized power steering device
07/05/2007WO2007074103A1 A washing machine and a control method thereof
07/05/2007US20070154192 Surgical machine and method for controlling and/or regulating a surgical machine
07/05/2007US20070152614 Electrically operated power steering controller and adjusting method of driving electric current offset in this controller
07/05/2007US20070152613 Motor, a method of operating a motor, and a system including a motor
07/05/2007US20070152611 Magnetizing motor and magnetizing method thereof
07/05/2007DE102005061215A1 Motorsteuerungsschaltung mit Fehlerüberwachung Motor control circuit with fault monitoring
07/04/2007EP1804371A2 Magnetizing motor and magnetizing method thereof
07/04/2007CN2919685Y Speed control system of DC brushless electromotor
07/04/2007CN2917545Y Multifunctional footwear repairing and cleaning machine with DC voltage-regulating, abrasive-drilling, cutting, and polishing functions
07/04/2007CN1992508A 编码器 Encoder
07/03/2007US7239102 Phase adjustment circuit, motor driving control circuit, and motor apparatus
07/03/2007US7239098 Digital adaptive sensorless commutational drive controller for a brushless DC motor
06/2007
06/28/2007WO2007071520A1 Method and device for operating an electric motor
06/28/2007WO2007070932A1 Improvements to tuning dc brushless motors
06/28/2007US20070147807 Control unit
06/28/2007US20070147806 Surgical machine and method for operating a surgical machine
06/28/2007US20070147805 Control device and method of motor detailed description of the invention
06/28/2007US20070145927 Control apparatus for electric vehicles
06/28/2007US20070145926 Control apparatus for electric vehicles
06/28/2007US20070145925 Method and apparatus for providing torque limit feedback in a power drill
06/28/2007US20070145921 Systems and methods for regulating electrical adjusting mechanisms in motor vehicles
06/28/2007US20070145920 Fan system and speed detecting device thereof
06/28/2007US20070145919 Driving method and driver of brushless dc motor
06/28/2007DE4405658C5 Antrieb für Zylinder einer Rollenrotationsdruckmaschine Drive for cylinders of a rotary printing press
06/28/2007DE19809628B4 Antriebseinrichtung zum Bewegen eines Bauteils wie Fensterscheibe, Schiebedach eines Fahrzeugs Drive means for moving a part, such as window glass, a vehicle sliding roof
06/28/2007DE19539915B4 Verfahren zur Überwachung wie Stillstands- und/oder Einrichtdrehzahlüberwachung eines Antriebs, insbesondere hochdynamischen Servoantriebs, sowie Lastrelais insbesondere zur Verwendung bei einem entsprechenden Verfahren Method for monitoring as downtime and / or Einrichtdrehzahlüberwachung a drive, especially highly dynamic servo drive and overload relays particularly for use in a corresponding method
06/28/2007DE102005059862A1 Gleichstrommotor mit einem Mittel zur Erfassung einer Rotordrehung DC motor with a means for detecting a rotor rotation
06/28/2007CA2634203A1 Improvements to tuning dc brushless motors
06/27/2007EP1801973A2 Control unit
06/27/2007CN2914813Y Non-contact type human-induction rotary dining table
06/27/2007CN1988363A Motor control system and its switch device
06/27/2007CN1988361A Control device and method for fan rotary speed
06/27/2007CN1323486C Servo controller for scanning in constant speed
06/26/2007US7235940 Torque limiting device for an electric motor
06/26/2007US7235938 Motor drive and magnetic disc apparatus
06/21/2007WO2007070814A2 Method and apparatus for sensorless position control of a permanent magnet synchronous motor (pmsm) drive system
06/21/2007WO2007068711A1 Device for safely operating a flight control actuator of an aircraft
06/21/2007US20070140670 Power supply system and method for powering a vehicle
06/21/2007US20070140669 Method and device for determining the rotary speed of an electrical machine
06/21/2007US20070138990 Multiple motor position control
06/21/2007US20070138989 Fixed-position stop control apparatus for rotation shaft
06/21/2007US20070138988 Centrifuge
06/21/2007US20070138987 Apparatus and method for driving motor
06/21/2007US20070138985 Method and system for selectively operating an electric motor
06/21/2007US20070138984 Driving circuit of a fan
06/21/2007US20070138983 Method and inverter for controlling a direct current motor
06/21/2007US20070138982 Device for the feeding of auxiliary operating facilities for a fuel-electrically driven vehicle
06/21/2007DE102005059585A1 Verfahren und Vorrrichtung zum Bestimmen der Drehzahl einer elektrischen Maschine Procedures and Vorrrichtung for determining the speed of an electric machine
06/21/2007CA2633076A1 Device for safely operating a flight control actuator of an aircraft
06/20/2007EP1798849A2 A system and method for drift compensation when using pulse count controlled motors
06/20/2007EP1797635A1 Device for the incremental control of a direct-current motor for the cooling fan of a motor vehicle
06/20/2007CN1985435A Quenching device for a feeding converter bridge
06/20/2007CN1985434A Quenching device for a converter bridge of reverse feeding
06/20/2007CN1322665C Method for driving a machine and drive for said machine
06/20/2007CN1322664C Motor controlling circuit with controllable driven voltage supply
06/19/2007US7233124 Motor drive inverter control apparatus
06/14/2007WO2007066625A1 Motor drive circuit, method, and cooling device using the same
06/14/2007US20070133957 Method of controlling speed of BLDC motor and method of controlling cooling speed of refrigerator using the same
06/14/2007US20070133955 Fan Speed Control Circuit Simultaneously Controlled By Temperature And PWM
06/14/2007US20070132415 Method and apparatus for sensorless position control of a permanent magnet synchronous motor (PMSM) drive system
06/14/2007US20070132414 Control unit for electric power steering apparatus
06/14/2007US20070132412 Control systems and switch devices thereof
06/14/2007US20070132411 Multi-stage contactless switch
06/14/2007US20070132409 Field winding synchronous generator-motor
06/14/2007DE212005000054U1 Verzögerungsbasiertes Zugangssteuergerät und Vorrichtung Delay-based access control equipment and apparatus
06/13/2007EP1796242A1 Control method and system
06/13/2007CN1979366A Fuel-cell engine radiating control circuit
06/12/2007US7231139 Digital noise reduction for motors
06/12/2007US7230399 Vehicular generator-motor system
06/12/2007US7230396 Device method for switching of currents in a stator winding of a generator-electric motor combination
06/12/2007US7230358 Electrical resonance circuits for high efficiency direct current motors
06/12/2007CA2510646C Multiphase motor voltage control for phase windings of different wire gauges and winding turns
06/07/2007WO2007063040A1 Cooler fan for a drive unit for a motor vehicle
06/07/2007WO2007006482A8 Circuit arrangement for actuating an electric motor in a motor vehicle
06/07/2007US20070126385 Control apparatus for electric vehicles
06/07/2007US20070126384 Motor drive device and drive method
06/07/2007US20070126380 Methods and systems for controlling an electronically commutated motor
06/06/2007DE102006027091A1 Elektronikeinheit zur Steuerung und/oder Regelung eines elektrischen Antriebsmotors Electronic unit for controlling and / or regulating an electric drive motor
06/06/2007DE102005047905B4 Fahrzeugsitzanordnung mit mindestens einer elektrischen Verstellung A vehicle seat assembly having at least one electrical adjustment
06/06/2007CN1977445A Electrical device for automatically adjusting operating speed of a tool based on tool wear
06/06/2007CN1977444A Error detection method and motor control device
06/06/2007CN1976204A Special DC speed regulator for blood irradiator
06/06/2007CN1976203A Precision current sensor used for electric machine control
06/06/2007CN1320740C Motor controlling circuit with controllable driven current supply
06/05/2007CA2461179C Movable barrier operator
05/2007
05/31/2007US20070122125 Motor controlling circuit and method
05/31/2007US20070120521 Apparatus for power control by phase gating and a method for harmonic reduction
05/31/2007US20070120511 Electric power steering device
05/31/2007US20070120510 Fan speed controlling system
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