Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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03/19/2008 | CN201039058Y Brushless DC motor locking protection loop |
03/19/2008 | CN201036866Y Hand-held electric tool |
03/19/2008 | CN101146703A Optimal capturing of a dc-motor residual voltage |
03/19/2008 | CN101143568A Displacement control system for a vehicle axle |
03/19/2008 | CN100376076C MOS type FET and motor driving device having same and motor thereof |
03/18/2008 | US7346272 Anti-trap protection detection based on comparing the duty cycle of a PWM control system |
03/18/2008 | US7345444 Intermittent washer |
03/18/2008 | US7345443 Motor control apparatus |
03/18/2008 | CA2461177C Movable barrier operator |
03/13/2008 | DE102006040660A1 Verfahren und Vorrichtung zur mehrfrequenten Ansteuerung eines Gleichstrommotors Method and apparatus for multi-frequency control of a DC motor |
03/13/2008 | DE102006000439A1 Motor controlling method involves driving tool of battery driven machine tools, and continuous monitoring of motor current and battery voltage takes place and continuous comparison of battery voltage takes place with threshold value |
03/13/2008 | DE102004017107B4 Verfahren zum geregelten Betreiben einer Webmaschine A method of operating a regulated loom |
03/13/2008 | DE102004017106B4 Verfahren zum Bestimmen der kinetischen Energie einer Webmaschine A method for determining the kinetic energy of a weaving machine |
03/12/2008 | CN101141108A DC motor bridge full thyristor speeder |
03/12/2008 | CN101141107A Method for actuating a motor |
03/12/2008 | CN101141106A Mirror apparatus for use in vehicles |
03/12/2008 | CN101141104A Vehicle mirror device |
03/12/2008 | CN101141070A Novel intelligent electric machine battery control system |
03/11/2008 | US7342374 Automatic gate operator |
03/11/2008 | US7342370 Electronic control system with torque and/or speed boost for motor vehicle seats |
03/06/2008 | WO2008027874A2 Current limiting dc motor starter circuit |
03/06/2008 | WO2008025237A1 Motor control device and its control method |
03/06/2008 | WO2008025236A1 Cable controller and operation method thereof |
03/06/2008 | WO2008025235A1 Motor control device and its control method |
03/06/2008 | US20080056690 Motor control device |
03/06/2008 | US20080056689 Computer housing temperature control device |
03/06/2008 | US20080056688 Drive circuit for a sensored brushless DC motor |
03/06/2008 | US20080056687 Control Apparatus For Vehicle |
03/06/2008 | US20080054835 Method and apparatus for controlling motor for vehicles |
03/06/2008 | US20080054832 Method of controlling a motor |
03/06/2008 | US20080054831 Current limiting DC motor starter circuit |
03/06/2008 | US20080054830 Microcontroller interface with hall element |
03/06/2008 | DE202007017877U1 Motorregler für Modellelektromotoren Motor controller for model electric motors |
03/06/2008 | DE102006000436A1 Method for controlling of propelled engine by battery involves determining current value of output voltage of battery and comparison with pre-determined threshold value |
03/05/2008 | EP1895651A2 Method and device for multi-frequency actuation of a DC motor |
03/05/2008 | EP1894767A1 Control apparatus for vehicle |
03/05/2008 | CN101136604A Method and device for multi-frequency actuation of a DC motor |
03/05/2008 | CN101136603A DC motor control method |
03/05/2008 | CN100373762C Electric motor driver and driving method |
03/04/2008 | US7339343 Method for correcting speed feedback in a motor |
03/04/2008 | US7339337 Power plant |
03/04/2008 | US7339336 Movable barrier operator auto-force setting method and apparatus |
03/04/2008 | US7339333 Motor drive control apparatus, motor drive control method and program of the same |
02/28/2008 | US20080050101 Electric fan device and method of driving electric fan device |
02/28/2008 | US20080050100 Controller for dc brushless motor integrated with a high voltage control system |
02/28/2008 | US20080050099 Universal brushless dc motor |
02/28/2008 | US20080048600 Circuit to momentarily increase the peak torque of a DC motor |
02/28/2008 | US20080047974 Power tool and motor controller |
02/27/2008 | EP1892825A2 Motor driving circuit |
02/27/2008 | EP1390764B1 Method for determining the frequency of the current ripple in the armature current of a commutated d.c motor |
02/27/2008 | CN101132164A Method for eliminating interference of exterior magnetic field to electric motor |
02/27/2008 | CN101132162A Motor control device and control method thereof |
02/27/2008 | CN101132161A Motor controller and control method thereof |
02/26/2008 | US7336045 Speed regulator for a brushless dc motor |
02/26/2008 | US7336044 Direct current motor control circuit |
02/26/2008 | US7336043 Transistor matrix switched reluctance variable speed motor drive |
02/21/2008 | US20080044165 Motor Drive and Cooler Employing It |
02/21/2008 | US20080042607 Electric tool switch mechanism |
02/21/2008 | US20080042604 System and method for controlling a motor using forced speed control |
02/21/2008 | DE102006038127A1 Elektrokleingerät mit Ladezustandsanzeige Small electric device with battery indicator |
02/21/2008 | DE102004049724B4 Sensor, Antriebskomponente und Antrieb Sensor, actuator and drive component |
02/20/2008 | EP1889354A1 Electronic control unit for controlling external half-bridge end power stages and electromotive drive with electronic control unit |
02/20/2008 | EP1590882B1 Method and control circuit for reducing line-bound disturbances in pulse-width modulated control of an electric motor |
02/19/2008 | US7332884 Electric motor control strategies |
02/19/2008 | US7331532 Acoustic noise reduction using fan speed control |
02/19/2008 | CA2450324C Variable speed control of multiple motors |
02/14/2008 | US20080040001 Vehicular steering system |
02/14/2008 | US20080037962 Speed control system for a ceiling fan motor |
02/14/2008 | US20080037961 System and method for switching control modes of spindle motor |
02/14/2008 | US20080037960 Quenching Device for a Converter Bridge with Line Regeneration |
02/14/2008 | US20080036407 Load driving device and electrical apparatus using the same |
02/14/2008 | US20080036406 Open/close member control apparatus |
02/14/2008 | DE19921045B4 Brenner zur Verbrennung von flüssigen und/oder gasförmigen Brennstoffen in Feuerungsanlagen Burner for combustion of liquid and / or gaseous fuels in combustion plants |
02/13/2008 | EP1390763B1 Method for correcting the determination of the rotational position of a commutated d.c. motor drive shaft |
02/13/2008 | CN201020412Y Minitype centrifugal machine |
02/13/2008 | CN101124720A Printer and DC motor rotational speed controller |
02/13/2008 | CN101124719A Sensorless control of two-phase brushless DC motor |
02/12/2008 | US7330779 Method and system for improving pump efficiency and productivity under power disturbance conditions |
02/07/2008 | US20080031616 Shutter Actuator Drive Circuit and Shutter Actuator Device |
02/07/2008 | US20080030158 Centrifugal Fan |
02/07/2008 | US20080030157 High steps brushless dc (bldc) motor |
02/07/2008 | US20080030156 Powered panel moving system |
02/07/2008 | DE19650373B4 Regelschaltung für ein Scheibenwischersystem eines Fahrzeuges Control circuit for a windshield wiper system of a vehicle |
02/07/2008 | CA2657624A1 Overload prevention device for permanent magnet dc motors |
02/06/2008 | EP1883555A2 Low voltage electrical vehicle propulsion system using double layer capacitors |
02/06/2008 | CN201018442Y Electronic clutch device of electric automobile |
02/06/2008 | CN100367659C Switch drive circuit of DC fan motor |
02/06/2008 | CN100367658C Closed loop control of linear vibration actuator |
02/06/2008 | CN100367657C System and method for determining the resonant frequency of an oscillating appliance, in particular a power toothbrush |
02/05/2008 | US7327111 System and method for parallel control of variable frequency drives |
02/05/2008 | US7327104 Control apparatus for electrically-powered vehicle |
01/31/2008 | WO2008014112A2 Electric motor |
01/31/2008 | US20080025709 Systems and methods for driving a load |
01/31/2008 | US20080024084 Linear electric motor controller and system for providing linear control |
01/31/2008 | US20080024079 Motor driving apparatus |
01/31/2008 | US20080024044 Electric Motor |
01/31/2008 | US20080022783 Electrical Machine and Method for Adjusting an Axial Spacing of the Electrical Machine |
01/31/2008 | DE102007034654A1 Electrical blower device e.g. cooling fan, for vehicle, has control unit that controls switching on/switching off process of control switch that is adapted to control motor current that is supplied to blower motor, by pulse width modulation |
01/31/2008 | DE102006033712A1 Steuerung für elektrisch verstellbare Möbel Control for electrically adjustable furniture |
01/30/2008 | CN101115516A A method for ensuring constant speed of a motor in an injection device |