Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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02/13/2013 | CN102934354A Electric motor having pulse width modulator |
02/13/2013 | CN102931899A Motor speed control circuit |
02/13/2013 | CN102931898A Motor control device |
02/13/2013 | CN102931897A 电动机控制装置 Motor control means |
02/13/2013 | CN102931896A Bus current limiting control method and device for automotive brushless direct current motor |
02/13/2013 | CN102931182A Packaging device of compact single-phase integrated drive circuit and single-phase integrated drive circuit |
02/12/2013 | US8373375 Electro-mechanical drive with extended constant power speed range |
02/11/2013 | DE202011110197U1 Verstelleinrichtung Adjustment |
02/08/2013 | DE202011110184U1 Einklemmschutz Anti-trap |
02/07/2013 | US20130033221 Motor control device |
02/07/2013 | US20130033220 Motor control device |
02/07/2013 | US20130033206 Methods, systems and apparatus for adjusting modulation index to improve linearity of phase voltage commands |
02/06/2013 | CN202721643U Brushless DC motor |
02/06/2013 | CN102916639A Pulse width modulation speed regulation circuit for motor |
02/06/2013 | CN102916638A Underground brushless DC motor controller |
02/06/2013 | CN102916637A Bridge type driving and resistor, capacitor and diode (RCD) buffering circuit of brushless direct current motor |
02/06/2013 | CN101821940B Motor driving circuit and semiconductor integrated circuit device using same |
02/05/2013 | US8368344 Refrigerator and operating method thereof |
02/05/2013 | US8368335 Optical shade controller system for controlling a roller shade using a variable linear velocity |
02/05/2013 | US8368328 Method for operating a motorized roller shade |
02/05/2013 | CA2549461C Changing amplitude of movement by changing the drive frequency of a toothbrush brushhead |
01/31/2013 | US20130030621 Discharge technique for residual high voltage in hybrid vehicle and method thereof |
01/31/2013 | US20130026962 Methods and systems for controlling a motor |
01/30/2013 | EP2550196A1 Method for operating a ship drive motor fed by at least one pulse width modulated inverter, and ship drive system |
01/30/2013 | CN202713217U Novel direct current motor rotating speed measurement and control system controlled by double single chip microcomputers |
01/30/2013 | CN102904511A Digital thyristor dual-ring direct current speed regulation device |
01/30/2013 | CN101753081B Fan drive circuit and fan using same |
01/29/2013 | US8362723 Motor drive circuit |
01/24/2013 | US20130020978 Microcontroller, control device and determination method |
01/24/2013 | US20130020970 Control System and Control Method for Electric Bicycle |
01/24/2013 | DE102006049123B4 Verfahren zur Ermittlung der Drehstellung des Rotors eines mechanisch kommutierten Gleichstrom-Stellmotors Method for determining the rotational position of the rotor of a mechanically commutated DC control motor |
01/23/2013 | CN202696530U Digitalized direct-current regulator |
01/23/2013 | CN202696529U Direct-current motor speed-regulating device for medical electronic linear accelerator |
01/23/2013 | CN202696528U Automatic door brush motor control device |
01/23/2013 | CN102891642A Two-second interval vibration plate control device |
01/17/2013 | WO2012028406A3 Circuit assembly for the pulse width modulated actuation of an electric motor |
01/17/2013 | WO2012023121A3 Method for operating an electric appliance and electric appliance |
01/17/2013 | WO2012023120A3 Resonant motor unit and electric device with resonant motor unit |
01/17/2013 | US20130015801 Methods and Devices for Fan Control of an Electronic Device Based on Loudness Data |
01/17/2013 | US20130015800 System for use in controlling motor torque and method of assembling same |
01/17/2013 | US20130015789 Electric tool |
01/16/2013 | CN202679301U Novel direct-current motor speed regulator of scalable PLC and single chip microcomputer |
01/16/2013 | CN202679300U Controller for brush DC motor |
01/16/2013 | CN202679299U Motor control apparatus |
01/16/2013 | CN202679298U Circuit for driving DC motor |
01/16/2013 | CN102882452A Micro-power consumption singlechip-based control device and method for high-voltage direct current motor |
01/16/2013 | CN102082538B Method and device for adjusting speed of direct current motor |
01/15/2013 | US8355235 Driving apparatus and control method for electric actuator |
01/15/2013 | US8354814 Fan system circuit module |
01/10/2013 | DE102011078629A1 Device for regulating temporal output torque increase of electric drive motor of e.g. tool, has regulating unit regulating operating parameter for controlling temporal output torque increase and deactivated according to preset time |
01/09/2013 | CN202663336U Permanent magnetic direct current brushless motor controller assembly |
01/09/2013 | CN202655768U Wire feeding speed adjustment device |
01/09/2013 | CN102868361A Device and method for adjusting increase of output torque of electrically driven motor with respect to time |
01/08/2013 | US8350513 Method for controlling a roller shade using a variable linear velocity |
01/08/2013 | US8350512 Electric power tool |
01/08/2013 | US8350511 Method for controlling a holding force against, and limiting impact with travel limit positions |
01/08/2013 | US8350505 Method for ascertaining a correction value for the angle of the rotor of an electrically commuted reversible synchronous motor |
01/03/2013 | WO2013002306A1 Electric power converter |
01/03/2013 | US20130006459 Control system and method for a motor |
01/03/2013 | US20130004148 Electric motor having a pulse width modulator |
01/02/2013 | EP2538823A1 High efficiency roller shade |
01/02/2013 | CN202652136U Alternating current fan control circuit |
01/02/2013 | CN202652135U Alternating current fan control circuit |
01/02/2013 | CN202652134U Motor driving circuit and application equipment thereof |
01/02/2013 | CN202652133U Mining electric excavator digital direct current speed regulation controlling device |
01/02/2013 | CN202645854U Wind driven generator set manual propeller adjusting device |
01/02/2013 | CN102859864A Method for controlling position and/or speed |
01/02/2013 | CN102857165A Current sensor based motor-driven carrier control method |
01/02/2013 | CN102857164A Driving system of electric bicycle and controlling method thereof |
01/02/2013 | CN102852424A Car door opening/closing device |
01/01/2013 | US8344684 Driving circuit for motor and device equipped with driving circuit |
01/01/2013 | US8344673 Torsional mode damping apparatus |
12/27/2012 | US20120326650 Rotating electrical machine control apparatus |
12/27/2012 | US20120326649 Systems and Methods for Operating a Solar Direct Pump |
12/27/2012 | US20120326637 Multifunctional electric tool |
12/27/2012 | DE112011100651T5 Motorantriebsvorrichtung Motor driving device |
12/26/2012 | EP2537247A1 Test controller for a rotary pump |
12/26/2012 | CN202634353U Intelligent type ventilation motor control device |
12/25/2012 | US8339086 System for syncronizing a plurality of roller shades using variable linear velocities |
12/25/2012 | US8339085 Method for synchronizing a plurality of roller shades using variable linear velocities |
12/25/2012 | US8339083 Motor controlling method and apparatus thereof |
12/25/2012 | US8339082 Methods and systems for induction motor control |
12/20/2012 | US20120319634 Method and apparatus for initializing an electric power control scheme |
12/20/2012 | DE102011106504A1 Klappenantrieb für Automobile mit Notfunktion Damper actuator for cars with emergency function |
12/20/2012 | DE102011077480A1 System for determining rotation frequency of electric motor unit of pump unit in hydraulic vehicle brake assembly, has control unit reading coding potential contained in total potential together with generator voltage |
12/19/2012 | CN202613547U Range hood |
12/19/2012 | CN102835021A Processing a motor variable of a DC motor |
12/19/2012 | CN102832747A Battery-powered electric motor in work device |
12/19/2012 | CN102826058A Flap actuator for motor vehicles having emergency function |
12/19/2012 | CN101820243B Motor drive circuit |
12/19/2012 | CN101729625B Method for driving motor of mobile phone and mobile equipment |
12/19/2012 | CN101694981B Shutter motor, control end and methods thereof for sending action command and responding |
12/18/2012 | US8334669 Multi-axis driver control method, multi-axis driver and multi-axis drive control system having the same |
12/18/2012 | US8333306 Ice dispensing technology in which a duct-covering part is controlled to account for abnormal operation |
12/18/2012 | CA2514863C Dc/dc bridge for controlling a direct-current load |
12/12/2012 | CN202602583U Three-phase half-wave brushless DC (direct current) motor controller with reverse connection protection function |
12/12/2012 | CN202602582U Driving device |
12/12/2012 | CN102820842A Motor driving device and lockout protection and standby control circuit for same |
12/11/2012 | US8332071 System and method enabling sensorless actuator |
12/11/2012 | US8331774 Fan controlling circuit |