Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217)
05/2012
05/31/2012US20120133317 Speed adjustment circuit for a plurality of fans
05/31/2012US20120133316 Motor control circuit
05/31/2012US20120133314 Vehicle system for controlling motor torque
05/31/2012US20120133310 Reconfigurable battery
05/31/2012US20120133309 Battery power system
05/30/2012CN202261140U Built-in temperature protection toy direct current motor drive circuit
05/30/2012CN202261139U Motor regulation and control apparatus for rewinder
05/30/2012CN202261126U Device for coordinative control over multiple brushless direct-current motors
05/30/2012CN102484443A 利用脉冲式控制信号控制电动机的设备 Using the pulse control signal for controlling the motor device
05/30/2012CN102484442A Fuel efficient crane system
05/30/2012CN102483025A Method and device for determining a starting speed of a starter of a starter system
05/30/2012CN102480544A Motor vibrating along with music amplitude and application
05/30/2012CN102480261A 一种血液辐照器专用直流调速器 A blood irradiator dedicated DC converter
05/30/2012CN102155424B PWM (Pulse Wavelength Modulation) speed regulating module for cooling fan of automobile engine
05/30/2012CN101707465B Method for adjusting motor current ring parameter
05/30/2012CN101507098B Method for determining the rotation speed of a starter
05/30/2012CN101237207B Integrated circuit for driving motor
05/29/2012US8190005 Motor driving circuit and load driving apparatus with pulse width modulation
05/24/2012US20120126740 Permanent Magnet Motor with Field Weakening
05/24/2012US20120126739 Method and device for controlling inductive loads
05/24/2012US20120126732 Motor driver and vehicle using the same
05/24/2012DE102010060623A1 Electrical device for driving mains-powered electric motor e.g. universal motor, of e.g. power screwdriver, has control unit using memory medium of device for determination of present value of force or rotational torque
05/24/2012DE102010052276A1 Control device for operating window lifter motor of motor car, has application-specific integrated circuit producing different slew rates, where device is formed to adjust slew rates based on actual frequency and/or actual frequency band
05/23/2012CN202231659U Toy lockset direct-current motor driving integrated circuit with temperature protection
05/23/2012CN1968002B A phase-lock steady speed control system of high speed permanent-magnetic brushless DC motor
05/23/2012CN102474247A Load drive control device and load drive control method
05/23/2012CN102469660A Methods for regulating luminance and rotary speed
05/23/2012CN101615878B Compensation control circuit of direct current motor
05/23/2012CN101531134B Wheel driving apparatus and electric vehicle including the same
05/22/2012US8183811 Platform screen door
05/22/2012US8183802 Composite electromechanical machines with controller
05/18/2012WO2012064202A1 Programmable motor and method
05/17/2012US20120119601 Motor with speed reduction mechanism
05/16/2012EP2452841A1 Vehicular damper system
05/16/2012EP2452840A1 Vehicular damper system
05/16/2012CN202221973U Green energy saving fan and motor
05/16/2012CN102460948A 马达控制装置以及电动动力转向装置 The motor control device and an electric power steering apparatus
05/16/2012CN101286719B Motor driving device, locked rotor protecting method and cooling device using the same
05/16/2012CN101154909B Electric drive circuit, drive device and electronic equipment
05/15/2012US8180202 Robot, reference voltage generator circuit used in transmission path for robot, and hub incorporating reference voltage generator circuit
05/15/2012US8179069 Electric power tool, control unit and recording medium
05/15/2012US8179068 Variable-flux motor drive system
05/10/2012WO2012060521A1 Voice coil motor and driving method thereof
05/10/2012WO2012060287A1 Load driving apparatus, and disk playback apparatus using same
05/10/2012US20120112679 Fan rotary speed controlling device
05/10/2012US20120112677 Method and device for detecting an entrapment situation
05/10/2012US20120112670 Vacuum cleaner and method for controlling an electric motor
05/10/2012US20120112669 Power converting apparatus for electric motor vehicle propulsion
05/09/2012EP2449986A1 Method of mixing medical surgical cement with a power tool that includes monitoring the current drawn by the power tool during the mixing process
05/09/2012EP2449672A1 A motor control system
05/09/2012EP1232573B1 Circuit and method for preventing erroneous opening and closing in an automatically/manually foldable portable radio phone
05/09/2012CN102447436A DC brushed motor self-locking control method and self-locking circuit thereof
05/09/2012CN102447435A Electric power tool and program
05/09/2012CN102441875A Power tool and speed stabilizing control system thereof
05/09/2012CN101499762B Electric motor drive system and electric motor control method
05/08/2012US8174228 Motor control device
05/08/2012US8174226 Current limit control method of DC motor and related device and circuit
05/08/2012US8174224 Torque production in an electric motor in response to current sensor error
05/08/2012US8174222 Methods, systems and apparatus for dynamically controlling an electric motor that drives an oil pump
05/08/2012US8174215 Motor speed controller
05/08/2012US8174214 Three-phase low-loss rectifier with active gate drive
05/03/2012US20120109444 Fuel cell system and control method of same
05/02/2012EP2448106A1 Motor control device and electric power steering apparatus
05/02/2012CN102439840A Apparatus for supplying electrical power to an electric motor
05/02/2012CN102437807A Variable frequency transformer control system
05/02/2012CN101357596B System for using a multi-phase motor with a double-ended inverter system
05/01/2012US8169178 Detection of the angular position of the rotor of a brush motor without using sensors
05/01/2012US8169173 Method for controlling a vehicle drive unit
05/01/2012US8169169 Door operator for controlling a door and method of same
04/2012
04/26/2012WO2012053310A1 Motor drive device and projector-type display device
04/25/2012EP2324566B1 Method and device for processing a motor signal of a dc motor, having current ripples
04/24/2012US8164293 Method of controlling a motor
04/19/2012WO2011131284A3 Processing a motor variable of a dc motor
04/19/2012WO2011086945A3 Electric operating machine
04/19/2012US20120091938 Correction of counting errors in the evaluation of current ripples in a dc motor
04/19/2012US20120091931 Induction motor torque control in a pumping system
04/19/2012US20120091929 Duty ratio control device, electric power tool and recording medium
04/19/2012DE102010048747A1 Device for controlling speed of electrically operated direct-current motor of motor car, has negative resistor for compensating resistance of internal resistor of motor
04/18/2012EP2442439A2 Duty ratio control device, electric power tool and program
04/18/2012CN202197246U 一种餐桌自动旋转控制器 One kind of automatic rotary table controller
04/18/2012CN202197245U 一种电成像推靠器动力与传动系统 An electrical imaging push against the power and transmission unit
04/18/2012CN102421614A Vehicular damper system
04/18/2012CN102420558A Pulse width modulation (PWM) pulse drive circuit for direct-current motor
04/18/2012CN102420557A Four-quadrant-operation-based propeller simulation device and simulation method thereof
04/17/2012US8159169 Parking brake control device
04/17/2012US8159166 Motor drive circuit and electric power steering apparatus
04/17/2012US8159163 Phase current estimation device of motor and magnetic pole position estimation device of motor
04/17/2012US8159160 Apparatus, system, and method for improved fan control in a power supply
04/12/2012WO2012047886A2 Electric motor having windings operable in parallel and/or series, and related methods
04/12/2012WO2012045506A1 Method for operating an electrical machine
04/12/2012US20120086380 Electric motor having windings operable in parallel and/or series, and related methods
04/12/2012US20120086378 Fan rotary speed controlling device
04/12/2012DE102010042050A1 Verfahren zum Betreiben einer elektrischen Maschine A method of operating an electrical machine
04/11/2012CN102414037A Vehicular damper system
04/11/2012CN102412774A 多功能电机控制装置 Multifunctional motor control device
04/11/2012CN102406228A Air door gear clearance compensation device and method for bulk curing barn controller
04/11/2012CN101379691B Systems and methods of monitoring a motor load
04/05/2012WO2012044182A1 An improved method and control system for controlling mobility vehicles
04/05/2012US20120081055 Steering control apparatus
04/05/2012DE19844330B4 Einrichtung zur Bestimmung der Stellung eines batteriebetriebenen Stellmotors mit Kommutator Means for determining the position of a battery powered servo motor with commutator
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