Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils › H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors
Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217)
01/1983
01/25/1983US4370603 Shunt field control apparatus and method
01/25/1983CA1140209A1 Speed and torque control for fractional horsepower motors having variable duty cycle supply
01/18/1983US4369397 Motor control apparatus for a motorized vehicle, and method therefor
01/05/1983EP0068237A1 Determination of the number of revolutions of electrical machines
01/04/1983US4367435 Motor control system
12/1982
12/29/1982EP0067891A1 Arrangement for stabilizing the rotational speed of a direct current shunt-wound motor in case of variations of the power supply voltage
12/28/1982US4366420 Electromobile control device
12/28/1982CA1138520A1 Printer escapement control system
12/21/1982US4365189 Control circuit for reversible electric motors
12/21/1982CA1138040A1 Timing waveform generator
12/14/1982CA1137547A1 Electrical device for powering a series excited direct current motor, allowing quick traction-braking and braking-traction transitions
12/08/1982EP0066057A1 Shunt-wound control for on-road vehicle
12/07/1982US4362976 Driving circuit for DC motor
12/07/1982US4362975 Device for controlling a bidirectional DC motor
12/07/1982US4362512 Electric outboard motor construction
12/07/1982CA1137230A1 Semiconductor device
12/01/1982EP0065927A1 Method and apparatus for the exact control of a direct-current motor speed, especially that of a direct-current motor for a matrix printer
11/1982
11/30/1982CA1136696A1 Direct current motor control with protective solenoid latching
11/24/1982EP0065379A2 A controllable power source
11/23/1982US4360768 High current acceleration servomotor driver
11/17/1982EP0064929A1 Control device for moving panels, particularly for opening panels of an automotive vehicle
11/09/1982US4358724 Solid state servo amplifier for a D.C. motor position control system
11/09/1982US4358718 Centralized electric control device in particular for automobile vehicle latches
10/1982
10/26/1982US4356438 Motor speed control system
10/26/1982CA1134480A1 Centralized electric control device in particular for automobile vehicle latches
10/19/1982US4355268 Motor control apparatus
10/19/1982US4355267 Propulsion motor control apparatus
10/19/1982CA1133981A1 Chopper activated control circuit for a dc motor with current return bride
10/14/1982WO1982003362A1 Control unit for an electric car
09/1982
09/30/1982WO1982003298A1 Voltage regulator in motor control
09/22/1982EP0060331A1 Short-circuit protection device for a direct current actuator
09/22/1982EP0060304A1 Industrial robbot unit having a current control function for a drive motor
09/21/1982US4350940 System for servocontrolling a separately excited DC motor
09/21/1982US4350937 Motor speed control device for DC motor
09/07/1982CA1131319A1 Conduction limit protection arrangement for power transistor switch
09/07/1982CA1131299A1 Multiple-motor battery tapping control system
09/01/1982EP0058891A1 Method for governing the speed of an electrical machine in a discontinuous or continuous current mode
08/1982
08/31/1982US4347469 Electronic-magnetic current isolator circuit
08/31/1982US4347468 Electronic variable speed automotive blower control system
08/31/1982US4347467 Control circuit for a D.C. motor
08/31/1982US4347466 Motor controlling
08/25/1982EP0058609A1 Method for controlling the feeding of a DC motor and device for carrying it out
08/24/1982US4346335 Speed control of a D.C. electric motor
08/24/1982US4345483 Metering apparatus
08/24/1982CA1130482A1 Mine hoist drive
08/24/1982CA1130373A2 Speed sensitive field weakening control for traction motors
08/17/1982US4345190 Chopper control system
08/17/1982US4345189 Motor rotation speed control circuit
08/11/1982EP0057338A2 Control device for a powered sliding panel of a vehicle, especially for a window-lift
08/10/1982CA1129527A1 Directional control system
08/03/1982US4342379 Time controlled elevator door motion
08/03/1982CA1128987A1 Phase-locked loop speed control system using programmable counter for frequency pulling
07/1982
07/21/1982EP0056059A1 Speed control device for electric motor
07/14/1982EP0055988A2 Circuit for regulating the number of revolutions of separately excited direct current motors
07/13/1982US4339697 Propulsion motor control apparatus and method
07/06/1982US4338554 Automatic gain control apparatus for a motor servo system
07/06/1982US4338553 Control system for a motor actuated door operating mechanism
07/06/1982CA1127276A1 Dc motor control with alternate action solenoid drive circuit
06/1982
06/30/1982EP0055189A2 Transistorised control device with electric motor overload protection
06/29/1982US4337509 Method and apparatus for controlling firing phases of thyristors
06/29/1982US4337424 Speed control for a rotary machine
06/29/1982US4337423 Dual output switching circuit
06/29/1982CA1126805A1 Control circuit for a direct current motor including a triac
06/24/1982WO1982002127A1 Motor control system
06/23/1982EP0054460A1 Speed control means of an electrical motor of a washing machine
06/15/1982CA1125846A1 Speed sensitive field weakening control for traction motors
06/10/1982WO1982001840A1 Torch for gas welding in narrow deep edge preparation
06/08/1982US4334177 DC Motor control circuit
06/08/1982US4334176 Method of and means for controlling electrical devices
06/01/1982CA1124783A1 Speed sensitive field weakening control for traction motors
05/1982
05/25/1982CA1124321A1 Motor speed adjusting apparatus
05/19/1982EP0051974A1 Permanent magnet D.C. motor control circuit
05/19/1982EP0051903A1 Three phase power factor controller
05/12/1982EP0051555A1 Protective circuit for a direct-current motor, especially for a printer take-up roller direct-current motor
05/12/1982EP0051518A1 Control circuit for drive or/and brake operation of a DC motor
05/12/1982EP0051416A1 A safety circuit for preventing or reducing phase control system malfunction
05/11/1982US4329630 Single transistor power control circuit for a DC motor washing machine drive
05/04/1982US4328451 Device for controlling the electric drive motor of a window raiser in particular in an automobile vehicle
05/04/1982US4328447 DC Motor speed regulator
05/04/1982CA1123047A1 Unitary electric motor and bi-directional controller arrangement
04/1982
04/27/1982CA1122679A1 Transit vehicle motor operation control apparatus and method
04/13/1982US4325011 Pulse width modulation control circuit
04/06/1982US4323830 DC Motor control using motor-generator set with controlled generator field
04/01/1982WO1982001104A1 Multiple windings electrical motors controllers
04/01/1982WO1982001090A1 Industrial robbot unit having a current control function function for a drive motor
03/1982
03/30/1982US4322668 Power control of a stalling motor
03/30/1982US4322667 DC Machine control circuit
03/09/1982US4319171 Motor control device
03/09/1982US4319170 Motor control method and system
02/1982
02/24/1982EP0046435A1 Starting and speed-control device for an electric DC motor
02/16/1982US4316130 Pneumatic device to control the speed of an electric motor
02/09/1982US4315199 Control circuit for a positioning device using a d-c motor
02/02/1982US4314325 Method and circuit for pulse-width control of a bilateral direct current control element
02/02/1982CA1117627A1 Protective circuit for selectively applying power to a motor
01/1982
01/21/1982WO1982000224A1 Speed control device for electric motor
01/19/1982US4311949 Semiconductor circuit for speed control of electric motors
01/05/1982US4309645 DC Motor speed controller
01/05/1982US4309631 Kitchen mixer having means to instantaneously increase speed when desired
12/1981
12/22/1981US4307326 Drive system for a motor
12/22/1981US4307324 Phase locked loop motor speed control
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