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