Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217)
04/2012
04/05/2012DE102011114421A1 Stromversorgungsschaltung Power supply circuit
04/04/2012EP2436111A1 Interference filter for a direct current motor
04/04/2012CN202183735U 一种高效简单的智能控制电路 An efficient simple intelligent control circuits
04/04/2012CN102403941A Driving device of direct-current brushless motor for fan and driving method of driving device
04/04/2012CN101702603B 一种蓄电池供电的直流电机软启动器 A battery-powered DC motor soft starters
03/2012
03/29/2012US20120074877 Over-temperature protection circuit for power devices
03/29/2012DE102010029849A1 Gleichstromaktuator und Vorrichtung zur Erkennung einer Stellbewegung eines Gleichstromaktuators Gleichstromaktuator and apparatus for detecting a movement of an actuating Gleichstromaktuators
03/28/2012CN102396147A Method for operating a control circuit, particularly for use in a motor vehicle
03/28/2012CN102394561A Control method and control system of separately excited motor
03/28/2012CN101764557B Direct current motor control drive module
03/27/2012US8143834 Electronically commutated serial-parallel switching for motor windings
03/27/2012US8143832 Method and unit for operating an electromechanical adjusting device
03/27/2012US8143831 Regulating device for regulating the voltage on a high-side load
03/27/2012US8143827 Error recognition by evaluation of parameters of the field oriented regulation
03/22/2012US20120068652 Fan drive circuit for electronic device
03/22/2012US20120068605 Motor Drive Circuit and Illumination Apparatus
03/22/2012DE102010041182A1 Electromotor i.e. direct-current motor, for slip-controlled motor car brake assembly, has motor shaft supported in housing of stator, and sensory unit temporarily mounted on housing for determining motor characteristic curve of electromotor
03/22/2012DE102010041051A1 Antriebsvorrichtung und Verfahren zum Messen des Motorstroms Drive device and methods for measuring the motor current
03/21/2012EP2195917B1 Circuit arrangement for a power tool
03/21/2012CN202172381U Micro power consumption motor-assisted bicycle controller
03/21/2012CN102386823A Motor speed adjusting device
03/21/2012CN102386822A Integrated type fan driving device
03/21/2012CN102386821A DC motor torque controller
03/20/2012US8138712 Motor drive system and its control method
03/20/2012US8138704 Methods and systems for detecting current sensor error
03/20/2012US8138702 Control method and motorstarter device
03/15/2012DE102010040520A1 Verfahren zum Bestimmen eines Zustands eines Startermotors A method for determining a state of a starter motor
03/14/2012EP2429072A2 Motor control apparatus
03/14/2012CN202168028U 老年代步车的过流检测电路 Elderly scooter overcurrent detection circuit
03/14/2012CN202168027U 一种基于mosfet的直流电机控制器 Based on the DC motor controller mosfet
03/14/2012CN202168026U Speed regulating device of high-power direct current motor rectified by multi-pulse
03/14/2012CN101141107B Method for actuating a motor
03/13/2012US8134321 Motor control system for achieving peak torque
03/13/2012US8134320 Fuel cell drive system
03/13/2012US8134313 Device and method for closing, or opening and closing, at least one drawer, flap, door, or the like
03/08/2012WO2012028406A2 Circuit assembly for the pulse width modulated actuation of an electric motor
03/08/2012US20120056566 Electric switch
03/06/2012US8130478 Power limiting system for multiple electric motors
03/06/2012US8129930 Induction actuated container
03/06/2012US8129929 Control and power device for a rotating electrical machine
03/06/2012CA2455942C Method and apparatus for controlling power supplied to a motor
03/01/2012US20120051444 Method and apparatus for communicating message signals in a load control system
02/2012
02/29/2012EP2245725B1 H-bridge circuit and method for operating such circuit
02/29/2012CN202152012U A solar energy yacht with an adjustable speed
02/29/2012CN102364869A Wide-voltage constant-power motor speed stabilization thermostat
02/29/2012CN102364114A Remote control speed-regulating outer rotor axial flow fan
02/29/2012CN101860309B Voltage adjustment and electricity theft prevention device for motor of oil extractor
02/23/2012WO2012023121A2 Method for operating an electric appliance and electric appliance
02/23/2012WO2012023120A2 Resonant motor unit and electric device with resonant motor unit
02/23/2012US20120044644 Fan system and electronic device
02/23/2012DE102010035169A1 Control device i.e. electrical switch, for e.g. rechargeable battery driller, has heat generating component arranged in opening such that direct heat conducting connection of heat generating component to cooling body is enabled
02/23/2012CA2817062A1 Resonant motor unit and electric device with resonant motor unit
02/23/2012CA2807221A1 Method for operating an electric appliance and electric appliance
02/22/2012EP2420679A1 Method, arrangement and a computer program product for determining correct running direction a fluid flow generating apparatus
02/22/2012EP2420204A2 Method for operating an electric appliance and electric appliance
02/22/2012EP2420203A2 Resonant motor unit and electric device with resonant motor unit
02/22/2012EP2420201A1 Method for detecting the mechanical load on a vibratory mechanism
02/22/2012EP2420130A1 Self-propelled lawn mower
02/22/2012CN202150823U 一种直流调速器装置 A DC converter device
02/22/2012CN202147835U 一种设有启动速度阈值的太阳能游艇 One kind of has a starting speed threshold solar yacht
02/22/2012CN102358208A Electric driving system for electric vehicle and control method of electric driving system
02/22/2012CN101033578B 车缝速度控制电路 Sewing speed control circuit
02/21/2012US8120297 Control of synchronous electrical machines
02/16/2012WO2012020714A1 Motor control apparatus, motor control method, control system, and position estimation method to be used in control system
02/16/2012WO2012019669A2 Electronically commutated motor
02/16/2012US20120038306 Media drive device
02/15/2012CN202145632U 2000a以上直流调速柜的供电和保护结构 Power supply and DC speed over protection structure 2000a cabinet
02/15/2012CN102356541A Automatic detection of a mechanically commutated DC motor
02/15/2012CN102355187A Control system for novel mining lithium iron phosphate direct current separately-excited chopping speed regulation electric locomotive
02/14/2012US8115445 Operation control method and operation control apparatus for variable speed generator-motor
02/14/2012US8115437 Torque limit of PM motors for field-weakening region operation
02/09/2012US20120033472 Multi-Phase Drive System
02/09/2012US20120032626 Power supply with adapted output voltage
02/09/2012US20120032617 Power converters
02/08/2012CN202143026U 简易玻璃磨边机用直流电动机限速装置 Simple glass milling machine with DC motor speed limiting device
02/08/2012CN102347724A Motor control system with pressure motion counter
02/07/2012US8111490 Method and device for protection of a switching device controlled by a control unit
02/07/2012US8111029 Methods and systems for automatic rotation direction determination of electronically commutated motor
02/02/2012WO2011057629A3 Assembly for actuating an actuator in a motor vehicle
02/02/2012US20120025744 Battery pack and eletrical transfer apparatus including same
02/01/2012EP2413495A1 Semiconductor integrated circuit device
02/01/2012CN101814885B 送丝调速系统 Wire feed speed control system
02/01/2012CN101656501B 马达启动电路 Motor start-up circuit
01/2012
01/31/2012US8106615 Pump jack pump-off control method and pump jack control apparatus
01/31/2012US8106614 Mirror adjustment mechanism, wing mirror unit and method
01/31/2012US8106610 Heat dissipation device and fan module thereof
01/26/2012US20120019184 Device and method for power-saving driving of device having same load pattern
01/26/2012DE4345505B4 Positionssteuer/Regeleinrichtung zum Steuern/Regeln eines elektrischen Motors Position control / control means for controlling / regulating an electric motor
01/25/2012EP2409397A2 Automatic detection of a mechanically commutated dc motor
01/25/2012EP2409396A2 Correction of counting errors upon evaluation of current ripples in a dc motor
01/25/2012CN102334277A 半导体集成电路器件 The semiconductor integrated circuit device
01/25/2012CN102332858A Direct-current motor speed-limiting device for simple glass edge finishing machine
01/25/2012CN101394146B Parameter recognition system and method for DC electric motor speed control object
01/25/2012CN101247100B Electric tool control method and electric tool using the same
01/24/2012US8103153 Reliable monitoring of the speed in coordinate measuring appliances
01/24/2012US8102135 Motor and drive control system thereof
01/19/2012US20120013275 Motor for linear and rotary movement
01/18/2012EP2238681B1 Motor variable detector and method for providing a speed detection signal and/or a torque detection signal
01/18/2012CN202121538U Speed measurement feedback circuit of drum type washing machine motor and washing device possessing speed measurement feedback circuit
01/18/2012CN202121495U Multifunctional voltage current source
1 ... 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 ... 103