Patents for H02P 15 - Arrangements for controlling dynamo-electric brakes or clutches (470)
01/1995
01/26/1995WO1995002857A1 Controlled gearshift with automatic clutch actuator for vehicles with manual gearboxes
01/26/1995CA2166776A1 Controlled gearshift with automatic clutch actuator for vehicles with manual gearboxes
01/03/1995US5379217 Vehicle electromagnetic clutch control device
12/1994
12/07/1994CN2185011Y Magneto-hydrodynamic electromagnetic speed regulating motor
06/1994
06/22/1994EP0603038A1 Eddy current slow-down assembly
06/16/1994CA2110432A1 Eddy current braking equipment
06/07/1994US5319419 Scanning system driving device
06/1993
06/02/1993CN1072806A Alternating electromagnetic speed-regulating and speed-variating motor and derivative series electromagnetic speed-regulating, speed-variating device
06/02/1993CN1021073C Low-speed driving system with stepless speed regulation for beam oil-pumping unit
02/1993
02/16/1993US5187433 Devices for measuring braking torques generated by electromagnetic retarders, and devices for adjusting such torques
01/1993
01/12/1993US5179496 Excitation current device for automotive electromagnetic clutch
01/06/1993CN1067714A Automatic speed-governing device for slag-slurry pump in heat power plant
09/1992
09/30/1992CN2117671U Controller of electromagnetic speed regulating motor
09/22/1992US5149998 Eddy current drive dynamic braking system for heat reduction
07/1992
07/08/1992CN1062583A Low-speed drive system with stepless speed regulation for beam oil-pumping unit
06/1992
06/03/1992CN2106445U Electromagnetic speed regulation controller for electric motor
04/1992
04/08/1992EP0479674A1 Improvement for devices to measure the braking torques produced by electromagnetic braking devices and control devices for these torques
01/1992
01/22/1992EP0466941A1 Electromagnetic braking device
11/1991
11/20/1991CN1056339A Equipment to use energy of vehicles
08/1991
08/22/1991WO1991012657A1 Electromagnetic braking device
06/1991
06/25/1991CA1285312C Induction motor regenerative brake control apparatus and method
05/1991
05/14/1991US5015938 Synchronizable drive system
09/1990
09/13/1990DE3906835A1 Controllable motor drive for four-quadrant operation
09/04/1990US4954759 Control circuit for an electromagnetic breaking arrangement
05/1990
05/16/1990CN1008038B Induction motor regenerative brake control apparatus and method
03/1990
03/28/1990CN1040830A Synchronizable drive systems
01/1990
01/23/1990US4896064 Low loss magnetic drive system
01/10/1990EP0349831A1 Synchronisable propulsion system
05/1989
05/09/1989US4829221 Method of controlling a motor-driven clutch
03/1989
03/07/1989US4811222 Method and apparatus for controlling electromagnetic powder clutch for vehicle
02/1989
02/22/1989CN2033170U Stepless speed regulating device for stage hanger rod
10/1988
10/20/1988DE3710842A1 Electromagnetic brake arrangement, in particular for ergometers
08/1988
08/03/1988EP0277049A1 Method of controlling a motor-actuated clutch
07/1988
07/20/1988CN87212320U Manual releasing unit for braking motor with conical rotor
03/1988
03/23/1988CN87202399U Ac stepless speed regulating motor
02/1988
02/02/1988US4722429 Apparatus for controlling a friction clutch
12/1987
12/15/1987US4713567 Electromagnetic brake device for a sports training apparatus
04/1987
04/09/1987DE3631672A1 Electromagnetic braking device for sports training equipment
01/1987
01/27/1987US4639651 Electromagnetic servo device
08/1986
08/20/1986CN86101083A Induction motor regenerative brake control apparatus and method
06/1986
06/25/1986EP0185594A1 Friction and eddy current compound clutch and method of controlling it
04/1986
04/29/1986US4586123 Digital control system for the speed of a sewing machine
04/16/1986CN85201715U Coupling device and regulator for speed-changing and constant frequency electromagnetic eddy-current
02/1986
02/11/1986US4570077 Waste heat recovery system driven alternators and auxiliary drive systems therefor
02/04/1986US4568863 Controller for electric brake motors
01/1986
01/02/1986EP0166670A2 Electric brake controller
05/1985
05/07/1985US4514991 Variable speed drive motor system with inverter control
04/1985
04/24/1985EP0138739A1 Variable speed drive motor system with inverter control
04/09/1985US4509623 Retarder equipment for vehicles
04/02/1985US4509091 Methods and apparatus for controlling the engagement of gap-type electromagnetic couplings
08/1984
08/14/1984CA1172735A1 Controlled pulsing of air clutches for stopping a grinding mill
07/1984
07/24/1984US4461374 System for controlling an electro-magnetic clutch for automobiles
07/17/1984US4460076 Electromagnetic spring clutch
05/1984
05/22/1984US4449619 System for controlling an electromagnetic clutch for automobiles
05/22/1984US4449617 Electro-magnetic clutch control system for automobiles
05/15/1984US4448295 Control apparatus for the electromagnetic brake of a weaving machine
01/1984
01/25/1984EP0099241A1 Waste heat recovery system driven alternators and auxiliary drive systems therefor
01/17/1984US4426585 Circuit for generating a rotating field for a three phase synchronous motor serving as a flywheel starter for a vehicle internal combustion engine
12/1983
12/06/1983US4418810 Clutch control system
01/1982
01/13/1982EP0043660A2 Clutch control system
12/1981
12/23/1981EP0041988A1 Motor system
09/1981
09/29/1981US4292556 Speed reducing equipment, particularly for vehicles
06/1981
06/11/1981WO1981001633A1 Motor system
01/1981
01/06/1981US4243901 Eddy current machine brake control device
10/1980
10/07/1980US4227134 Spindle rotator
05/1980
05/20/1980US4203632 Electronic control circuit for an electromagnetic decelerator
05/13/1980US4203046 Method and apparatus for regulating the brake torque of an eddy current brake
08/1977
08/09/1977US4040508 Control circuit for controlling the shaft speed of a motor having clutch and brake devices
05/1976
05/11/1976US3956722 Eddy current retarder control device
05/04/1976US3955097 Alternator driven by a vehicle engine
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