| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
|---|
| 11/20/2001 | US6320341 Control device for movable member |
| 11/20/2001 | US6320285 Throttle valve control apparatus using DC torque motor |
| 11/15/2001 | DE19943451A1 Drive circuit e.g. of electric motor, for actuator- or servo-drive, has actuator or servo drive connected to voltage-carrying DC voltage source |
| 11/15/2001 | DE10022924A1 Schaltungsanordnung zum Betrieb eines Motors Circuit arrangement for operating a motor |
| 11/14/2001 | EP1154557A1 Motor control circuit |
| 11/14/2001 | EP1154556A2 Circuit for operating a motor |
| 11/13/2001 | USRE37443 Electric powered bicycle |
| 11/13/2001 | US6316893 Method and arrangement for adaptive load change compensation |
| 11/13/2001 | US6315369 Hydraulic braking system wherein pump motor control PWM frequency is lowered below upper audibility limit under predetermined braking conditions |
| 11/08/2001 | WO2001084063A2 A cooling system with brushless dc ring motor fan |
| 11/08/2001 | US20010038272 Movable barrier operator |
| 11/08/2001 | US20010038252 Rotary electric machine |
| 11/01/2001 | WO2001082454A1 Electrohydraulic converter, especially a motor pump module for an electronic driving dynamics control system |
| 10/30/2001 | US6310912 System for increasing the definition in converting a digital datum in a PWM signal for driving a full-bridge output stage |
| 10/30/2001 | US6310459 DC motor control device and control method |
| 10/25/2001 | WO2001041166A3 Electric changeover switch |
| 10/25/2001 | DE10042378A1 Electrohydraulic converter, especially motor-pump unit for electronic vehicle dynamics control system, has commutation device connected so rotor windings are individually controllable |
| 10/24/2001 | EP0966782B1 Method for electronic control and adjustment of the movement of electrically actuated units |
| 10/24/2001 | CN2456369Y Thyristor stepless speed regulator for D.C. motor with fixed amature |
| 10/23/2001 | CA2237844C Controller for variable speed motor |
| 10/18/2001 | US20010030524 Motor driving apparatus |
| 10/18/2001 | DE10037693A1 Electrically driven power steering device for vehicle, stops steering assistance due to electric motor when judging failure of phase compensation circuits |
| 10/17/2001 | EP1144213A2 Method and device for operating an actuating drive of a motor vehicle with different vehicle electric system voltages |
| 10/17/2001 | EP0832513B1 Soft switching, pwm controller and method for reducing torque ripple in multiphase dc motor |
| 10/17/2001 | CN1317421A DC motor control system of electric vehicle |
| 10/16/2001 | US6304046 Driving control circuit of a hood motor |
| 10/11/2001 | US20010027894 Electric power steering apparatus |
| 10/11/2001 | DE10117058A1 Elektrische Servolenkvorrichtung An electric power steering device |
| 10/11/2001 | DE10031215A1 Controller for electrical power steering has torque sensor, auxiliary steering force motor and control unit that controls or regulates motor in response to steering torque information |
| 10/11/2001 | DE10015216A1 Control method for current supply of electric motor, involves determination of angle dependent gap fluctuations, in which current component, also dependent upon rotation angle, is modulated upon supply current. |
| 10/09/2001 | US6301090 Control system using an electric motor |
| 10/09/2001 | US6300734 Motor control apparatus for a railway switch machine |
| 10/04/2001 | US20010026180 Rotational pulse generating circuit for motors |
| 10/03/2001 | CN1315779A DC fan driving circuit |
| 09/27/2001 | WO2001070165A1 Electromotive drive unit for beds and tables |
| 09/27/2001 | US20010024095 Movable barrier operator |
| 09/27/2001 | US20010024094 Movable barrier operator |
| 09/26/2001 | CN1071954C Semiconductor integrated circuit for motor control |
| 09/26/2001 | CN1071699C Oscillation-damping control of motor torque for mine hoist |
| 09/20/2001 | WO2001069755A1 Ac/dc chopper for power tool |
| 09/20/2001 | US20010022505 DC motor rotation detecting apparatus and DC motor rotation control apparatus |
| 09/19/2001 | EP1134884A1 Method and device for following the rotation of DC electric motor |
| 09/19/2001 | CN2449414Y Stator magnetic flux linkage corrector for frequency-changing speed-regulating of asynchronous motor |
| 09/19/2001 | CN2449412Y Miniature dc motor |
| 09/19/2001 | CN2449238Y Plug-in die for testing |
| 09/19/2001 | CN1071517C Electric motor series-parallel combination operation type driving system |
| 09/19/2001 | CN1071511C Reversing dc motor |
| 09/18/2001 | US6291955 Motor drive control with low current limitation value |
| 09/18/2001 | US6291954 Method and circuit arrangement for monitoring the operating state of a load |
| 09/18/2001 | US6291949 Control of switched reluctance machines |
| 09/13/2001 | DE10109656A1 Rotation pulse generator circuit for motors has variable corner frequency filter for eliminating noise, pulse shaper, clock signal generator, clock starting frequency correction circuit |
| 09/13/2001 | DE10102038A1 Motor control circuit has switch with control input coupled to PWM circuit, first connection to coil in motor circuit, second connection connected to first partly based on PWM signal |
| 09/12/2001 | CN1071067C Driver for both AC and DC motors and its drive control method |
| 09/11/2001 | US6288511 Automotive convertible top system |
| 09/11/2001 | US6288507 Motor drive circuit |
| 09/11/2001 | US6286609 AC/DC chopper for power tool |
| 09/06/2001 | US20010020251 System architecture for remote access and control of environmental management |
| 09/06/2001 | US20010019660 DC motor rotation control apparatus |
| 09/05/2001 | EP1130758A2 Four quadrant motor operation using dc bus current sensing |
| 09/05/2001 | EP1129891A2 Controller for vehicle motor |
| 09/05/2001 | EP1129890A2 Electric generating system for automobiles and its control method |
| 08/29/2001 | CN2445504Y Disc type electric machine release gear |
| 08/29/2001 | CN1070320C Multi-stage speed control circuit for DC motor |
| 08/23/2001 | US20010015630 Motor driving apparatus for controlling plurality of motors with less motor driving units than motors |
| 08/23/2001 | US20010015196 Electronic throttle valve control apparatus |
| 08/22/2001 | EP1125258A1 Sheet transport system |
| 08/22/2001 | CN1309464A Electronic analog controller of electric shovel |
| 08/21/2001 | US6278249 Movable barrier operator |
| 08/16/2001 | WO2001059921A1 Arrangement for supplying a user, especially a d.c. motor, that consumes power in a non-continuous manner from a d.c. system |
| 08/15/2001 | CN2443523Y Miniature DC motor bidirectional movement load controller |
| 08/15/2001 | CN1069794C Motor drive apparatus and motor driving method capable of simply reducing rotating speed in PWM mode |
| 08/14/2001 | US6274993 Motor drive control with excess current period timer resetting |
| 08/14/2001 | US6274991 Method and circuit configuration for detecting the rotational speed of electronically commutated fans |
| 08/08/2001 | CN1307388A Fan protector |
| 08/07/2001 | CA2276437C Adjustable speed control for children's ride-on vehicle |
| 08/02/2001 | DE10003690A1 Verfahren zur Ermittlung von Ankerkreisparametern einer über einen Stromrichter gespeisten Gleichstrommaschine Procedure for the determination of the armature circuit parameters of a fed via a converter DC machine |
| 08/01/2001 | CN1306651A Sheet transport system |
| 07/31/2001 | US6269014 Half-bridge configuration |
| 07/26/2001 | WO2001054263A1 Motor control apparatus for a railway switch machine |
| 07/26/2001 | WO2001054262A1 Railway switch machine motor control apparatus |
| 07/26/2001 | US20010009356 Automotive convertible top system |
| 07/24/2001 | US6266721 System architecture for remote access and control of environmental management |
| 07/19/2001 | WO2001051302A1 Electric circuit arrangement for controlling an electromotor in a motor vehicle |
| 07/18/2001 | CN1304579A Method and circuit for power detection in electronically switched electric motors |
| 07/17/2001 | US6262618 Shoot-through prevention circuit for motor controller integrated circuit gate driver |
| 07/17/2001 | US6262546 Variable threshold motor commutation pulse detection circuit |
| 07/17/2001 | US6262544 Four quadrant motor operation using DC bus current sensing |
| 07/12/2001 | CA2392605A1 Electric golf car with low-speed regenerative braking |
| 07/10/2001 | US6259587 Direct current motor safety circuits for fluid delivery systems |
| 07/04/2001 | EP1112010A1 Device for displacing furniture |
| 07/04/2001 | CN1302474A Method and circuit for measuring rotation speed of electronically switched fans |
| 07/04/2001 | CN1302115A Gyroscopic detector of DC motor and gyroscopic controller |
| 07/03/2001 | US6253733 Electronic throttle valve control apparatus |
| 06/28/2001 | DE19957805A1 Elektrische Umschaltvorrichtung Electrical switching apparatus |
| 06/28/2001 | DE10025875A1 Steering system with electric drive has circuit that drives electric motor on basis of inertia or viscosity compensation current in event of fault |
| 06/27/2001 | EP1110290A1 Drive device and method for moving a vehicle part |
| 06/27/2001 | EP1110289A1 Drive device and method for moving a vehicle part |
| 06/27/2001 | EP1110288A1 Drive device and method for moving a vehicle part |
| 06/27/2001 | CN1301395A Drive unit for switching circuit breakers on and off |
| 06/26/2001 | US6252331 Brushless, separately-excited, variable-speed motor and AC generator/alternator with solenoid-wound, biphase AC rotor |