| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 05/24/2000 | CN1052784C Method and apparatus for controlling shift force in automated mechanical transmission |
| 05/23/2000 | US6066930 Synchronous driving method for inductive load and synchronous controller for H-bridge circuit |
| 05/23/2000 | US6066834 Speed control device for DC motors |
| 05/16/2000 | US6064163 Apparatus and method for controlling a DC brush-less motor based on the duty ratio or pulse width of a detected pulse |
| 05/11/2000 | WO2000026862A1 Sheet transport system |
| 05/11/2000 | DE19849907A1 Arrangement for controlling an electrical load especially door drive, has switch in transformer primary circuit to control power drawn by load and voltage required to supply control circuit in standby mode |
| 05/10/2000 | EP0998776A1 Control circuit for a direct current motor |
| 05/10/2000 | CN1052352C Speed position controller for DC motor rotation speed |
| 05/09/2000 | US6060849 Current control system for an electric motor |
| 05/03/2000 | EP0997736A2 Method for detecting the movement, direction of movement and position of a moving part driven by an electrical motor, and suitable circuit |
| 05/02/2000 | US6056384 Failure diagnosing circuit and method |
| 05/02/2000 | US6055960 Electronic throttle valve control apparatus |
| 04/27/2000 | DE19848728A1 Three phase rectifier and control system for heavy DC machine, combines armature and field current rectifiers in single unit and dispenses with separate chokes |
| 04/26/2000 | EP0995259A1 D.c. motor with controlled or regulated rotational speed |
| 04/25/2000 | US6055359 DC motor drive control with improved current sensing |
| 04/25/2000 | US6054791 Direct current motor with imbalanced winding for closed-loop feedback control |
| 04/20/2000 | DE19950147A1 Module for altering motor speed, especially for fan in vehicle ventilation,heating and air conditioning system, has components suitable for operation with electric control current much lower than motor current |
| 04/18/2000 | US6052017 Method and circuit for enabling rapid flux reversal in the coil of a write head associated with a computer disk drive, or the like |
| 04/13/2000 | WO2000021188A2 Device for controlling engine speed |
| 04/13/2000 | DE19948110A1 Detection method for sensing the speed of rotation of a DC electric motor has, an interrupted pulse code modulated control signal |
| 04/13/2000 | DE19845353A1 Einrichtung zur Motorgeschwindigkeitsregelung Device for motor speed control |
| 04/12/2000 | CN1051361C Voltage compensation of a pulse-width-modulated servomechanism |
| 04/06/2000 | WO2000019595A1 Current compensation system for driving electric motor |
| 04/06/2000 | WO2000019213A1 Device for determining the position of a battery operated control motor with commutator |
| 04/06/2000 | DE19844330A1 Einrichtung zur Bestimmung der Stellung eines batteriebetriebenen Stellmotors mit Kommutator Means for determining the position of a battery powered servo motor with commutator |
| 04/05/2000 | EP0991177A2 Method and apparatus for improved electronic braking of a DC motor |
| 04/05/2000 | EP0990303A1 Method for controlling at least two electrical consumers |
| 04/05/2000 | CN2372829Y Reactive automatic compensation device for motor |
| 04/05/2000 | CN1249788A Drive unit for shaft of device working in synchrony with shanks of mechanical loom to form leno selvage |
| 03/29/2000 | EP0988197A2 Window wiper motor system for an automotive vehicle |
| 03/29/2000 | CN1249076A Motor reversing circuit |
| 03/28/2000 | US6043623 Current compensation system for driving electric motor |
| 03/23/2000 | DE19842331A1 System of nested intervals for apparatus driven by electric motors uses time switch connected to electric motor to produce time intervals that give constant rotation energy of machine part equipped with flywheel |
| 03/22/2000 | CN1248092A Equipment and method for controlling current limiter of motor |
| 03/22/2000 | CN1050576C Electric powered bicycle |
| 03/16/2000 | WO2000014846A1 Drive device and method for moving a vehicle part |
| 03/16/2000 | WO2000014845A1 Drive device and method for moving a vehicle part |
| 03/16/2000 | WO2000014843A1 Drive device and method for moving a vehicle part |
| 03/16/2000 | WO2000013554A1 Device for displacing furniture |
| 03/16/2000 | DE19840164A1 Antriebsvorrichtung und Verfahren zum Verstellen eines Fahrzeugteils Drive device and method for adjusting a vehicle part |
| 03/16/2000 | DE19840163A1 Antriebsvorrichtung und Verfahren zum Verstellen eines Fahrzeugteils Drive device and method for adjusting a vehicle part |
| 03/16/2000 | DE19840161A1 Antriebsvorrichtung und Verfahren zum Verstellen eines Fahrzeugteils Drive device and method for adjusting a vehicle part |
| 03/16/2000 | DE19823682C1 Schaltungsanordnung zur Drehzahlerfassung elektronisch kommutierter Elektromotoren Circuit arrangement for speed detection electronically commutated electric motors |
| 03/15/2000 | EP0986167A2 H Bridge circuit |
| 03/15/2000 | CN1247409A Start controlling equipment and method for three-phase a. c. motor |
| 03/09/2000 | WO2000013283A1 Control circuit for a motor-operated switch |
| 03/09/2000 | CA2307309A1 Control circuit for a motor-operated switch |
| 03/08/2000 | EP0984551A2 Speed variator brush-holder for direct-current motors |
| 03/08/2000 | CN1246752A DC motor control circuit |
| 03/02/2000 | DE19818174C2 Verfahren und Vorrichtungen zur Ansteuerung einer Pumpe zur Hilfsdruckversorgung einer Fahrzeugbremsanlage Methods and apparatus for controlling a pump for auxiliary pressure supply of a vehicle brake system |
| 02/29/2000 | US6031965 Separately excited DC motor with boost and de-boost control |
| 02/29/2000 | US6031352 Active alternator load circuit |
| 02/29/2000 | US6031210 Electrical circuit for supplying power |
| 02/24/2000 | WO2000010244A1 Circuit for regulating the rotational speed of a fan |
| 02/23/2000 | CN1049774C Method for control of dc motor |
| 02/22/2000 | US6028404 Motor drive circuit system utilizing multiple DC power driving devices switchable between parallel, and series/parallel combinations |
| 02/15/2000 | US6025684 Servo-motor driving method |
| 02/15/2000 | US6025683 Motor control circuit for regulating a D.C. motor |
| 02/09/2000 | CN1049308C Energy-saving no surge start speed regulating motor |
| 02/09/2000 | CN1049307C Numerical controlling started rare-earth permanent magnetic motor |
| 02/08/2000 | US6023143 Mixed PWM/linear mode driving system employing two distinct output power stages |
| 02/02/2000 | EP0975829A1 Drive unit for a shaft of a device working in synchrony with the shanks of a mechanical loom to form a leno selvage |
| 02/01/2000 | US6021251 Compensated field current control for a separately excited DC motor |
| 02/01/2000 | CA2129893C Method and apparatus for controlling shift force in an automated mechanical transmission |
| 01/26/2000 | CN1048832C Block type current conversion energy boosting circuit for dc chopper device |
| 01/25/2000 | US6018223 Multi-functional apparatus employing an intermittent motion mechanism |
| 01/19/2000 | CN1241842A Field weakening control method in induction motor |
| 01/18/2000 | US6016042 Method of detecting the angle of rotation and load torque of a DC motor, and apparatus of detecting the angle of rotation and load torque of a DC motor |
| 01/13/2000 | DE19832580A1 D.c. controller for converting 120 Volts a.c., 60 Hz to 200 Volts d.c. for continuous universal and d.c. motor speed regulation achieves high output power with small size and wt. |
| 01/12/2000 | CN1241065A Voltage vector overmodulation method considering counter electromotive force of motor |
| 01/11/2000 | US6013993 Braking circuit for a universal motor |
| 01/11/2000 | US6013991 Motor control circuit |
| 01/06/2000 | WO1999054991A8 High-turndown dc motor controller and method |
| 01/05/2000 | DE19930987A1 Control device for electronic throttle flap for cars |
| 01/05/2000 | CN1048124C Controller for dc motor |
| 01/04/2000 | US6011902 Motor control circuit |
| 12/29/1999 | EP0966782A1 Method for electronic control and adjustment of the movement of electrically actuated units |
| 12/29/1999 | CN1047852C Printer chromatograph error controlling method and apparatus |
| 12/28/1999 | USRE36472 Bridge circuit having polarity inversion protection means entailing a reduced voltage drop |
| 12/28/1999 | US6008619 Motor drive apparatus and motor driving method capable of simply reducing rotating speed in PWM mode |
| 12/23/1999 | WO1999066633A1 Device with an electromotor |
| 12/22/1999 | EP0966094A2 Curtailed operation of multiple-wound induction motor following inverter failure |
| 12/22/1999 | CN1239349A Variable speed control switch for direct current electric power tools |
| 12/16/1999 | DE19826458A1 Anordnung mit einem Elektromotor Arrangement with an electric motor |
| 12/14/1999 | CA2007272C "spectrometer with direct drive high speed oscillating grating" |
| 12/09/1999 | DE19825126A1 Arrangement for automatic compensation of rotor of electric motor, especially of fan wheel for fan fixed to rotor |
| 12/08/1999 | EP0822761B1 Device for fitting rivets or control therefore |
| 12/07/1999 | US5998949 Wiper apparatus |
| 12/07/1999 | US5998883 Wiper control device |
| 12/07/1999 | CA2063869C Electrical actuator with means for preventing dither at a limit switch |
| 12/02/1999 | WO1999062169A1 Method and circuit for power detection in electronically switched electric motors |
| 12/02/1999 | WO1999061920A1 Circuit for detecting the speed of electronically controlled electric motors |
| 12/01/1999 | CN1237284A Optical position-measurement device |
| 11/25/1999 | DE19922622A1 DC torque motor |
| 11/24/1999 | EP0958898A2 Method and arrangement for adaptive load change compensation |
| 11/23/1999 | US5991505 Switching motor control apparatus |
| 11/23/1999 | US5990644 Motor drive circuit |
| 11/23/1999 | US5990641 Motor control device apparatus for the recording and/or reproduction of information including the motor control device |
| 11/23/1999 | US5990640 Motor control apparatus |
| 11/18/1999 | DE19908512A1 Steuereinrichtung für das Zuführen zerhackter elektrischer Leistung Control means for supplying electric power chopped |