| Patents for H02P 5 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors (4,788) |
|---|
| 06/02/1987 | US4670693 Current supply device for plural loads |
| 05/19/1987 | US4667136 Cross-coupling drive circuit |
| 05/13/1987 | EP0221240A2 Tension control |
| 05/06/1987 | EP0221003A2 Propeller synchrophaser and mode logic |
| 05/06/1987 | EP0221002A2 Improved propeller synchrophaser |
| 05/06/1987 | EP0220502A2 Error signal generator |
| 05/05/1987 | US4662203 Multistage wire drawing apparatus |
| 05/05/1987 | CA1221479A1 Elevator driving device |
| 04/29/1987 | EP0219684A2 Rotation controller for a differential actuator |
| 04/29/1987 | EP0130979B1 Current limit control circuit |
| 04/23/1987 | WO1987002526A1 Switching control apparatus for vending machine alternating current device switching |
| 04/23/1987 | WO1987002485A1 Speed control system |
| 04/22/1987 | EP0219355A2 Control system with improved robustness to disturbances |
| 04/21/1987 | US4659283 Propeller Synchrophaser® device and mode logic |
| 04/14/1987 | US4658189 Series connected series motors for independent loads |
| 04/09/1987 | DE3534908A1 Device for switching two electric motors |
| 04/07/1987 | US4654924 Microcomputer control system for a canister vacuum cleaner |
| 04/02/1987 | DE3534820A1 Method and device for generating cycle synchronism in individually driven machines and/or machine groups at a production installation |
| 04/01/1987 | CN86106719A Propeller synchrophaser and mode logic |
| 04/01/1987 | CN86106717A Improved propeller synchrophaser |
| 03/31/1987 | US4653981 For an aircraft |
| 03/18/1987 | EP0214300A1 Apparatus for controlling the speed of electric motors |
| 03/03/1987 | US4647824 Output voltage control for a DC servo amplifier |
| 03/03/1987 | US4646635 Microprocessor controlled D.C. motor for controlling print value selection means |
| 02/25/1987 | EP0211753A1 Control device for a variable-speed reversing motor by means of a stepper motor |
| 02/17/1987 | US4644232 Method of and an apparatus for controlling a plurality of DC motors |
| 02/12/1987 | DE3621520A1 Device for compensating fluctuations in the rpm of a drive shaft |
| 02/03/1987 | US4641069 Plural motor changeover control system |
| 01/27/1987 | US4639647 Four quadrant control of series motors |
| 01/27/1987 | US4639645 Drive system for A.C. motors |
| 01/20/1987 | US4638222 DC motor driving circuit for eliminating spurious transition conditions |
| 01/17/1987 | CN85101863A Multiphase brushless motor driven apparatus |
| 01/17/1987 | CN85100607A Method of stepless speed control of a.c. motor and the motors |
| 01/13/1987 | US4636959 Microprocessor controlled d.c. motor for controlling a postage meter |
| 01/06/1987 | US4634950 Electric apparatus |
| 01/06/1987 | US4634941 Electric wheelchair with improved control circuit |
| 12/30/1986 | US4631869 Automatic workpiece engaging apparatus in grinding machines |
| 12/30/1986 | EP0105296B1 Control circuit for the driving of a sliding part of a motor vehicle, particularly a window pane of a motor vehicle |
| 12/23/1986 | US4631463 Linear controller for electrochemical device and method |
| 12/16/1986 | US4629956 System for controlling motors for synchronous operation |
| 11/25/1986 | US4625156 Control device |
| 11/20/1986 | EP0202114A1 Drive system for a glass container production line |
| 11/20/1986 | EP0201605A1 System for controlling the speed of a servo motor |
| 11/18/1986 | US4623354 Myoelectrically controlled artificial hand |
| 11/05/1986 | EP0200537A2 Electrical motor with improved tachometer generator |
| 11/05/1986 | CN85108376A Control method for electric locomotive |
| 11/04/1986 | CA1213653A1 Apparatus for making threaded joints incorporating a make-up speed controller and apparatus for counting turns when making threaded joints including an increased resolution turns counter |
| 10/28/1986 | US4619206 Drive system for a twin suspension haulage cable gondola lift |
| 10/21/1986 | US4617761 Helical gear grinding machine |
| 10/15/1986 | EP0197209A1 Two stage electric drive |
| 10/15/1986 | CN86101150A Torque determination for control of an induction motor apparatus |
| 10/14/1986 | US4617498 Control device for synchronizing a plurality of driving units |
| 10/08/1986 | EP0196649A2 Stepless speed adjusting A.C. Motor |
| 09/30/1986 | US4614901 Servo power amplifier having load equalization |
| 09/23/1986 | CA1211786A1 Apparatus for operating plural poly phase a.c. motors having a common load |
| 09/16/1986 | CA1211498A1 Dual-motor control apparatus |
| 08/28/1986 | WO1986005044A1 Apparatus for controlling the speed of electric motors |
| 08/19/1986 | US4607196 Unwinding apparatus |
| 07/22/1986 | US4602195 Industrial robot having individual electrical three-phase drives |
| 07/22/1986 | CA1208381A1 Apparatus for controlling an a-c power elevator |
| 07/16/1986 | EP0057680B1 Dual motor drive system |
| 07/03/1986 | WO1986003905A1 Drive control apparatus for servo motors |
| 06/03/1986 | CA1205519A1 Motor speed control apparatus |
| 05/27/1986 | CA1205129A1 Variable speed induction motor drive system |
| 05/22/1986 | WO1986003074A1 System for controlling the speed of a servo motor |
| 05/21/1986 | EP0181742A1 Circuit for actuating electric motors, especially in an electronic typewriter |
| 05/13/1986 | US4587766 Synchronous operation control apparatus in grinding machines |
| 04/29/1986 | US4585980 Windshield wiper control |
| 04/09/1986 | EP0177060A1 Digital servo-control system |
| 04/09/1986 | EP0177055A2 Postage meter apparatus having microprocessor controlled D.C. motor for controlling a postage meter and process for use in the same |
| 04/09/1986 | EP0177051A2 Printing apparatus comprising microprocessor controlled D.C. motor for controlling print value selection means and process for operating printing apparatus |
| 03/18/1986 | CA1202062A1 Food preparation appliance having microcomputer speed control |
| 03/11/1986 | US4575835 Motor control circuit of data reproduction apparatus |
| 03/05/1986 | EP0173216A1 Control system for a power converter for driving induction motors |
| 03/04/1986 | CA1201510A1 Inching supply torque control |
| 02/05/1986 | EP0170641A2 A drive system for a.c. voltage motors |
| 01/22/1986 | EP0168562A2 Hoisting machine with overload protection |
| 01/21/1986 | US4565952 Speed controlling device for rolling mills |
| 01/21/1986 | CA1199676A1 Scalar decoupled control for an induction machine |
| 12/31/1985 | CA1198769A1 Apparatus and methods for controlling induction motors |
| 12/05/1985 | WO1985005509A1 Electric rotating apparatus |
| 12/03/1985 | US4556826 Inching supply torque control |
| 12/03/1985 | CA1197552A1 Current limit control circuit |
| 11/26/1985 | US4555651 Motor speed control apparatus |
| 11/26/1985 | US4554774 System for synchronizing two or more process units |
| 10/22/1985 | US4549119 Control system and method for operating mining machine traction motors and the like |
| 10/08/1985 | US4545464 Apparatus for controlling an A-C power elevator |
| 09/25/1985 | EP0155472A1 Process for controlling the drive of electrical machines |
| 07/30/1985 | US4532458 Variable-speed electrical machines |
| 07/16/1985 | US4529919 Plugging and plugging override control apparatus |
| 07/09/1985 | US4528489 Electrical remote control circuit |
| 07/09/1985 | US4527663 Apparatus for controlling an AC power elevator |
| 07/02/1985 | US4526461 Copying machine control system |
| 06/25/1985 | US4525656 Apparatus for operating plural poly phase A.C. motors having a common load |
| 06/25/1985 | US4525655 Two stage electric drive |
| 06/25/1985 | US4525654 Tape transport control unit |
| 05/28/1985 | US4520299 Turning speed controller for electric vehicles having dual drive motors |
| 05/21/1985 | US4518901 Motor control apparatus |
| 05/21/1985 | US4518899 Process and apparatus for correlating startup and cutoff periods of different induction motors with one another |
| 05/08/1985 | EP0140756A1 Cable drive for an overhead cable railway |