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 5 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
Patents for H02P 5 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors (4,788)
05/1985
05/07/1985US4516034 Circuit for operating a displaceable component in a motor vehicle, in particular a motor vehicle window
05/07/1985US4514991 Variable speed drive motor system with inverter control
04/1985
04/30/1985US4514665 Current limit control circuit
04/24/1985EP0138739A1 Variable speed drive motor system with inverter control
04/16/1985US4511825 Electric wheelchair with improved control circuit
04/09/1985CA1185315A1 Electric inching impulse control
03/1985
03/05/1985US4503371 Mass driver circuit for weaving looms
03/05/1985US4503369 Power supply for plural brushless DC motors
02/1985
02/26/1985CA1183200A1 Vehicle propulsion motor control apparatus
02/19/1985US4500957 Timing control system for determining abnormal motor operation
02/19/1985US4500818 Dual motor proportioning control
02/12/1985US4499463 Apparatus for controlling electrical receivers occupying at least two states
02/12/1985US4499413 Method and apparatus for the control of synchronous motors
02/12/1985CA1182514A1 Variable-speed electrical machines
01/1985
01/29/1985US4496883 Electric inching impulse control
01/29/1985CA1181797A1 Drive device with two mutually counteracting motors for eliminating gearing play
01/22/1985US4495584 Intermittent driving system for synchronizing control of conveyor and dispensing systems
01/16/1985EP0130979A1 Current limit control circuit.
01/16/1985EP0130978A1 Dual-motor control apparatus
01/16/1985EP0130977A1 Motor speed control apparatus
01/09/1985EP0130185A1 Plugging and plugging override control apparatus
01/08/1985US4492901 Control system for synchronizing combination press line
01/02/1985CA1180377A Torque compensated electrical motor
01/01/1985US4491767 Synchronizing synchronous motors, motors prior to clutch closure
12/1984
12/18/1984US4489261 Method and means for feeding electric energy to a portable power tool
12/18/1984US4489243 Solar powered actuator with continuously variable auxiliary power control
11/1984
11/21/1984EP0125317A1 Method of controlling changeover of plurality of motors
11/20/1984US4484121 Servocontrol by ultrasonics of the relative position of two mechanical components
11/14/1984EP0124738A2 Industrial robot with three-phase single drive
11/06/1984CA1177560A1 Intermittent driving system
10/1984
10/09/1984US4476424 Variable speed induction motor drive system
10/09/1984CA1175891A1 Smooth series parallel transition for dual winding traction alternator
09/1984
09/11/1984US4471273 Dual-motor control apparatus
09/11/1984US4471272 Circuit for controlling the speeds of two capstans
08/1984
08/28/1984CA1173493A1 Load sharing control system
08/07/1984US4463766 Cigarette and cigarette filter making machine
07/1984
07/31/1984US4463426 Automatic position control for a vehicle seat
07/24/1984CA1171504A1 Control system for synchronizing multiple presses in a line
07/19/1984WO1984002813A1 Plugging and plugging override control apparatus
07/19/1984WO1984002685A1 Current limit control circuit
07/19/1984WO1984002684A1 Dual-motor control apparatus
07/19/1984WO1984002683A1 Motor speed control apparatus
07/10/1984US4459530 Electric rotating apparatus
07/03/1984US4458182 Drive device with two mutually counteracting motors for eliminating gearing backlash
06/1984
06/27/1984EP0111859A2 Drive means for a double endless belt for manufacturing coated rigid-foam boards
06/05/1984US4453111 Electric drive for submarines
06/05/1984CA1168735A1 Control system for synchronizing power presses and associated feed mechanism with interlock features
05/1984
05/24/1984WO1984002040A1 Method of controlling changeover of plurality of motors
05/08/1984US4447788 Method for optimizing the power input of a plurality of hysteresis motors connected in parallel
05/01/1984US4446409 Electronic controller apparatus
04/1984
04/18/1984EP0105296A1 Control circuit for the driving of a sliding part of a motor vehicle, particularly a window pane of a motor vehicle.
04/17/1984US4443748 Method of controlling speed of at least one induction motor and device therefor
04/17/1984US4443742 Phase locked loop motor control system
04/04/1984EP0105033A1 Control means for a direct current motor
04/04/1984EP0104161A1 A circuit arrangement for enabling simultaneous operation of independent ac circuits
03/1984
03/13/1984US4437046 Extrusion drive control system
03/13/1984US4435883 Stretch ratio control circuit for multiple station web stretching apparatus
03/06/1984CA1163312A1 Switching drive circuit
02/1984
02/21/1984US4432747 Centrifugal separator control
02/07/1984US4429820 Apparatus for feeding wire over large distances
01/1984
01/17/1984US4426149 Photocopier scanning drive system
01/11/1984EP0097916A2 Power supply for plural motors
12/1983
12/27/1983US4423360 Device for controlling the synchronism of two motors
12/21/1983EP0096162A1 Motor control circuit of data reproduction apparatus
11/1983
11/29/1983US4418301 Circuit for averaging a plurality of separate motor speed signals
11/09/1983EP0093615A1 Variable speed rotary electrical machines
11/01/1983US4412422 Apparatus and method for controlling a multi-turbine installation
10/1983
10/18/1983US4410948 Multi-engine autothrottle providing automatic engine EPR equalization
10/13/1983WO1983003440A1 Control circuit for the driving of a sliding part of a motor vehicle, particularly a window pane of a motor vehicle
10/11/1983CA1155198A1 Digital motor control system
10/04/1983US4408281 Control system for synchronizing multiple presses in a line
10/04/1983US4408144 Tape tension control for a tape transducer
09/1983
09/20/1983US4405884 Shaft position synchronization means for multiple synchronous induction motors
09/15/1983WO1983003142A1 A circuit arrangement for enabling simultaneous operation of independent ac circuits
09/06/1983US4403175 Control system, more particularly for driving motors for a vehicle for the disabled
08/1983
08/30/1983US4402052 Apparatus for making threaded joints incorporating a make-up speed controller
08/30/1983US4401931 Apparatus actuated by a pair of stepper motors with shared drive
08/24/1983EP0086234A1 Synchronous operation device
08/23/1983CA1152361A1 Phase locked gyroscope wheel supply for synchronous hysteresis motor
08/10/1983EP0085394A1 Control system for electric cars driven by induction motors
08/10/1983EP0085293A1 Motor control apparatus
08/02/1983CA1151266A1 Method and apparatus for coordinating the speeds of motions
08/02/1983CA1151234A1 Method of and means for controlling electrical motors
07/1983
07/12/1983US4393340 Motor speed control device
07/12/1983US4393338 Vehicle propulsion motor control apparatus
07/12/1983CA1149915A1 Electronically operated brushing appliance for vacuum cleaners
07/05/1983US4392091 Vehicle propulsion control apparatus and method
06/1983
06/28/1983US4390821 Device for changing the relative angular positions of operating shafts of a group electric drive
06/21/1983CA1148606A1 Fixed gating sequence apparatus and method for an inverter
06/14/1983US4387632 Control system for synchronizing power presses and associated feed mechanism with interlock features
06/14/1983CA1148238A1 Motor driving system
06/07/1983US4387325 Electric wheelchair with speed control circuit
05/1983
05/31/1983US4386305 Drive control system for motors
05/17/1983US4384242 Speed control systems of synchronous motors
04/1983
04/20/1983EP0077178A1 System for controlling motors for synchronous operating
04/20/1983EP0077095A1 Copying machine and a control system for the same
04/19/1983US4380724 Shunt field control apparatus and method
04/13/1983EP0076359A1 Propulsion means with two motors driven in an opposite direction for the compensation of the backlashes
03/1983
03/31/1983WO1983001156A1 Electric driving device and machine
03/30/1983EP0075253A2 Speed control for a remotely controlled transport device
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