Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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09/30/1986 | US4614903 Windshield wiper speed control arrangement |
09/30/1986 | US4614902 Closure retention apparatus for automatic doors |
09/30/1986 | US4614901 Servo power amplifier having load equalization |
09/24/1986 | CN86101236A Control arrangement for induction motor and method thereof |
09/17/1986 | EP0074385B1 Voltage regulator in motor control |
09/17/1986 | CN85101987A Magnetic-shunt regulating structure of a.c. torque motor |
09/09/1986 | US4611153 Chopper frequency determination apparatus |
08/28/1986 | WO1986005042A1 Revolution number control apparatus for motors |
08/27/1986 | CN85100971A Speed overlapping control method |
08/12/1986 | US4605885 Method of controlling rotation speed of motor |
08/12/1986 | US4605884 Control unit |
07/30/1986 | EP0188839A1 Self-oscillating power-supply circuit |
07/30/1986 | EP0188576A1 Orbital shaker. |
07/23/1986 | CN86100410A Self-oscillating power-supply circuit |
07/15/1986 | US4600983 Digital current regulator circuit for control of bidirectional current flow through a load |
07/08/1986 | US4599548 PWM controller for an electrical load |
07/08/1986 | US4599545 Servomotor controller |
07/02/1986 | EP0186596A1 Linear displacement control system comprising a DC motor |
07/02/1986 | EP0186282A1 Apparatus for driving a vehicle window |
07/01/1986 | US4598238 Electro-mechanical shower oscillator for papermaking machine |
06/25/1986 | EP0185449A1 Control apparatus for a vehicle window motor |
06/25/1986 | EP0185238A1 Driving device for a switch |
06/11/1986 | EP0184059A1 Driving device for a switch |
06/10/1986 | CA1205888A1 Electric car control system |
06/10/1986 | CA1205855A1 Turn-off control means for an ac-to-dc electric power converter |
06/03/1986 | CA1205518A1 Multiple chopper speed control system for compound motor |
05/28/1986 | EP0182201A1 Speed control apparatus for a DC motor |
05/27/1986 | US4591769 Arrangement for controlling the speed of a DC motor |
05/27/1986 | US4591768 Control system for an electric motor |
05/27/1986 | US4591767 Control system for reciprocating drive motor |
05/20/1986 | US4589827 Electric motor fan |
05/13/1986 | US4588934 Automobile fan control with non-periodic fluctuation signal generator |
04/30/1986 | EP0179219A2 Method and apparatus for producing a time-varying position control voltage |
04/29/1986 | US4586123 Digital control system for the speed of a sewing machine |
04/22/1986 | US4584636 AC-to-DC power converter with improved power factor and overvoltage suppression |
04/22/1986 | US4584504 Integrated circuit for driving a D.C. motor having operational modes |
04/22/1986 | US4583709 Valves |
04/16/1986 | EP0177770A1 Driving system for electric driven vehicles |
04/16/1986 | EP0177683A2 Speed control method for DC motors |
04/15/1986 | US4583029 Variable speed resistive network for a pneumatic servo assembly of an electro-pneumatic converter |
04/09/1986 | EP0177056A2 Postage meter apparatus and process employing computer controlled D.C. motor for indexing postage value changing means |
04/09/1986 | EP0177048A2 Apparatus and process employing microprocessor controlled D.C. motor for controlling a load |
04/08/1986 | US4581565 H-bridge power amplifier and method for controlling the same |
04/01/1986 | US4580084 Method and system for controlling speed of electric motor |
04/01/1986 | US4580083 Chopper controller for a D.C. motor |
03/25/1986 | US4578652 Broadband four-port TEM mode 180° printed circuit microwave hybrid |
03/25/1986 | US4578626 Electrical control arrangement for a rolling mill drive motor of a rolling mill |
03/25/1986 | US4578621 Stock advancing apparatus with dancer operated potentiometer speed control |
03/11/1986 | US4575662 Vehicle power window control circuit |
03/05/1986 | EP0173595A1 Method and apparatus to determine a synchronization signal taking the voltage phases of an electric network as a basis |
03/05/1986 | EP0173077A2 AC supply device to actuate and to brake a DC train drive in a regenerator mode |
02/25/1986 | CA1201162A1 Motor torque control with improved linearity |
02/25/1986 | CA1201159A1 System for supression of underdamped oscillations in a.c. power drawn by synchronous motors driving ward leonard generators |
02/18/1986 | US4571668 Apparatus and method for controlling a thyristor converter in response to change in mode of load current |
02/13/1986 | WO1986000995A1 Orbital shaker |
02/12/1986 | EP0170829A1 Inverter-fed drive for a lift |
02/11/1986 | US4570211 Power supply circuit for driving a motor |
02/11/1986 | US4570111 Firing angle control system |
02/04/1986 | US4568864 Electric motor control for a pipe bender |
01/28/1986 | US4567408 Digitally controlled rectifying system for driving a motor |
01/22/1986 | EP0168502A1 Reel tension controlling method and apparatus |
01/21/1986 | US4565953 Twelve pulse AC motor drive |
01/21/1986 | US4565952 Speed controlling device for rolling mills |
01/21/1986 | US4565951 Process and electronic device for the control and regulation of the supply current in an electric motor fed from a fixed voltage direct current source |
01/21/1986 | CA1199675A1 Speed controller for mill drives and the like |
01/15/1986 | EP0168163A1 Electro-pneumatic converter |
01/08/1986 | EP0166744A1 A programmed microprocessor for a speed control system for a d.c. motor. |
01/07/1986 | US4563623 Motor speed control apparatus |
01/02/1986 | EP0166501A2 Turbo with pulse width modulated control method and means |
12/31/1985 | US4562393 Modulation scheme for PWM-type amplifiers or motors |
12/31/1985 | US4562390 Insulation resistance measurement in static leonard apparatus |
12/31/1985 | US4562387 Vehicle power window control |
12/31/1985 | US4561677 Passive seat belt device |
12/10/1985 | US4558265 Method and apparatus for position control of an electric motor |
12/04/1985 | EP0163456A2 Control system |
12/03/1985 | US4556830 Speed controller for mill drives and the like |
11/27/1985 | EP0162423A2 Device for speed regulation |
11/26/1985 | US4555652 Control circuit for operating a direct current motor during traction or braking |
11/26/1985 | CA1197282A1 Proportional plus integral speed control |
11/21/1985 | EP0161646A1 Electric motor with variable speed |
11/21/1985 | EP0161358A1 Control system for DC motors |
11/21/1985 | EP0161301A1 Series transistor chopper |
11/19/1985 | US4554499 Computer controlled motor |
11/19/1985 | US4554492 Motor control system |
11/13/1985 | EP0160896A2 Current flow reversing circuit |
11/12/1985 | CA1196679A1 Vehicule propulsion motor control apparatus |
11/05/1985 | US4551659 Trackside-controlled electric railway systems |
11/05/1985 | US4550992 Motor drive control circuit |
10/22/1985 | US4549122 Method and circuit for DC motor field regulation with speed feedback |
10/10/1985 | WO1985004534A1 Speed control system |
10/10/1985 | CN85100999A Speed regulating method using tapped-winding and tapped-winding electric motors and switches |
10/08/1985 | US4546424 Compensated ramp generating circuit for controlling SCR firing |
10/08/1985 | US4546304 Electronic device with choke inverter |
10/08/1985 | CA1194991A1 Control circuit for dc capstan motor |
10/08/1985 | CA1194931A1 Power converter apparatus |
10/01/1985 | US4545004 Bridge driver circuit for a DC electric motor |
10/01/1985 | US4544869 Electronic control circuit for bi-directional motion |
10/01/1985 | US4544866 Remote window operating system |
10/01/1985 | US4544865 For a direct current permanent magnet motor |
09/17/1985 | CA1193650A1 Extended range speed control for dc drive |