Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217)
03/2006
03/09/2006US20060049785 Brushless motor drive device
03/09/2006DE102005023456A1 Elektronische Steuereinheit, elektrisch unterstützte Lenkvorrichtung und Lenkeinheit mit variablem Übersetzungsverhältnis Electronic control unit electrically assisted steering device and steering unit with variable ratio
03/08/2006EP1020021B1 Motor control apparatus
03/08/2006CN1745335A Stepping motor control circuit, electronic camera, and stepping motor control method
03/07/2006US7009529 Multifrequency garage door opener
03/07/2006US7009360 Method for controlling SRM switching angle by analog encoder system
03/07/2006US7009358 Electric power steering device and method for controlling the same
03/07/2006US7009351 Single phase motor driving unit
03/07/2006US7009350 Energy collection and storage system
03/02/2006US20060043919 Motor drive control apparatus, motor drive control method and program of the same
03/02/2006US20060043917 Electromotive power steering system
03/02/2006US20060043916 Motor system having multiple motor torque constants
03/02/2006US20060043915 Motor driving apparatus, and initial driving method for three-phase motor
03/02/2006DE102004041765A1 Schaltungsanordnung und Verfahren zum Betreiben eines Elektromotors mit veränderlicher Drehzahl an einer Gleichspannungsquelle Circuit arrangement and method for operating an electric motor with variable speed connected to a DC voltage source
03/02/2006DE102004041221A1 Switch-off pulse reducer for electric motor stage e.g. for motor vehicle wind-shield wipers, has four-layer diode connected across capacitor for pulse limitation
03/02/2006DE102004041220A1 Verfahren zur Messung eines Laststromes A method for measuring a load current
03/01/2006EP1630947A1 Method for determining the load current
02/2006
02/28/2006US7006762 Pulse width modulator
02/28/2006US7006761 Control device for DC motors
02/28/2006US7005819 Control apparatus for controlling traction motor equipped in vehicle
02/28/2006US7005818 Motor actuator with torque control
02/28/2006US7005815 Electric actuator system
02/28/2006US7005810 Motor driving apparatus
02/28/2006US7004538 Control apparatus of drive motor for sunroof device, sunroof device, and method for controlling drive motor for sunroof device
02/23/2006WO2006018700A1 Method and device for supplying an electric motor with direct current
02/23/2006WO2006018503A2 Device for piloting an electric motor driving a power switch element, and module forming a switch provided with said device
02/23/2006US20060038524 Servo motor driving apparatus and servo motor driving method
02/23/2006US20060038518 Amplitude regulation circuit and method, and motor driving control apparatus and method
02/23/2006US20060038517 System and method for sensor less magnetic field control of a motor
02/23/2006US20060038516 Segmented switched reluctance electric machine with interdigitated disk-type rotor and stator construction
02/22/2006EP1627464A2 Vehicle speed dependent compensator for electric steering systems
02/22/2006CN1243292C System and method for conducting position control to driving system
02/21/2006US7003334 Auto-folder type cellular phone with variable opening and closing velocity
02/21/2006US7002313 Electric power steering device control apparatus
02/21/2006US7002309 Power window driving apparatus
02/21/2006US7002308 Motor driving control method and apparatus with amplitude regulation circuit
02/16/2006US20060034592 Method for controlling a DC motor and relative open-loop voltage mode controller
02/16/2006US20060033461 Apparatus for determining overheating of motor, method for determining overheating of motor, computer-readable medium, motor control apparatus, motor control method, and printing apparatus
02/16/2006US20060033460 Method of operating a controlled roller blind supplied by way of a wire control interface
02/16/2006US20060033459 Method and switching apparatus for recording the current in an electrical device
02/16/2006US20060033458 Method for controlling the firing angle of an electric motor
02/16/2006US20060033457 Sensorless motor drive apparatus and method for protecting and controlling the same
02/15/2006EP1625457A2 Control system for doubly fed induction generator
02/15/2006CN1734925A Image-forming device
02/15/2006CN1733366A Digital control system of electrical arc spraying power source
02/15/2006CN1242544C Switch reluctance machine drive
02/14/2006US6998815 Motor drive control device
02/14/2006US6998812 Method for determining the mass moment of inertia of an electric motor drive system
02/14/2006US6998809 Robot apparatus, and load absorbing apparatus and method
02/14/2006US6998807 Active sensing and switching device
02/14/2006US6998806 Motor stop control device for gaming machine and gaming machine with the same
02/14/2006US6998801 Motor drive device and motor drive integrated circuit device
02/09/2006US20060028163 Safety garage door
02/09/2006US20060028161 Motor driving apparatus and motor driving method
02/09/2006US20060028159 Notification control device for vehicle closure member and related notifying control method
02/09/2006US20060028158 Multiple speed mover assembly
02/08/2006EP1624540A2 Method for a power controlled electric motor supplied by a DC power system
02/08/2006CN2757426Y Electronic speed changing switch for vehicle fan
02/08/2006CN2757191Y Electric bicycle DC motor controller composed of microprocessor
02/07/2006US6995567 Failure detection system for electric power steering system
02/07/2006US6995537 Closed-loop control system to mitigate PWM switching noise
02/07/2006US6995535 Robot apparatus, and load absorbing apparatus and method
02/07/2006US6995534 Method of controlling the commutation in an electronically commutated motor, and an electronically commutated motor for carrying out said method
02/07/2006US6995531 Direct current motor drive circuit and fan motor including the same
02/07/2006US6995528 Linear motor apparatus
02/07/2006US6995490 Flux modifier for a permanent magnet brush-type motor using wound field coils combined with permanent magnets
02/02/2006WO2006012051A2 Electrical device for automatically adjusting operating speed of a tool based on tool wear
02/02/2006WO2006011938A2 Cordless power tool with a protected weak link element
02/02/2006US20060022627 Electric power steering apparatus
02/02/2006US20060022626 Electric power steering apparatus
02/02/2006US20060022625 Method, apparatus and article for motor control voltage dropout detection
02/02/2006US20060022623 Rotor position determination device of rotating electric machine and control device of rotating electric machine
02/02/2006US20060022621 Brushless motor and disk drive device using the same
02/02/2006DE10111017B4 Antrieb für die Webschäfte einer Webmaschine Drive for the heald frames of a loom
02/01/2006EP1622253A2 Control process and control device of induction motor, and steel/nonferrous facility, railway vehicle, winder, vessel, machine tool, paper machine facility and transport facility employing the control process and the control device
02/01/2006CN2755862Y Controller of warm-air motor for vehicle
02/01/2006CN2755861Y Fan control cabinet unit apparatus of speed-adjusting reversing dual system with variable frequency in subway
02/01/2006CN2755858Y Electromagnetic kinetic swing
02/01/2006CN1728540A Servo controller for scanning in constant speed
02/01/2006CN1728539A Power module and electric transportation apparatus incorporating the same
02/01/2006CN1240181C Current detecting device and motor drive device using same
01/2006
01/31/2006US6992450 Active mass damper
01/31/2006US6992449 Electric power steering apparatus and control method of the same
01/31/2006US6992448 Motor control apparatus
01/30/2006CA2514093A1 Method, apparatus and article for motor control voltage dropout detection
01/26/2006WO2006009847A1 Automatic output power limiting electrical device
01/26/2006US20060018636 Abnormality monitoring device for motor control system
01/26/2006US20060017414 Motor torque control apparatus and method for automotive vehicle
01/26/2006US20060017413 Control device for motorized power steering device
01/26/2006DE102004055194A1 Elektrisch betriebener Servo-Controller und Angleichverfahren zum Treiben eines elektrischen Stromversatzes in diesem Controller Electrically operated servo controller and Angleichverfahren for driving an electric current offset within that controller
01/25/2006EP1619001A1 Power tool with remote stop
01/25/2006CN1238965C Power generation motor system for vehicle
01/25/2006CN1238960C Frequency converter device
01/24/2006US6989649 Switch assembly, electric machine having the switch assembly, and method of controlling the same
01/24/2006US6989645 Robot apparatus, and load absorbing apparatus and method
01/24/2006US6989643 Electrical drive apparatus which can be operated via a full-bridge circuit, with a different load depending on the drive direction
01/19/2006WO2005112221A3 Cordless power tool with tool identification circuitry
01/19/2006US20060013571 Pulse width modulation fan control
01/19/2006US20060012929 Hot-swap circuit system for fan tray module
01/19/2006US20060012323 Electric power steering apparatus
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