| Patents for H02P 25 - Arrangements or methods for the control of ac-motors characterised by the kind of ac-motor or by structural details (7,591) |
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| 01/13/1987 | US4636961 Control device for a hand-operated electric power tool |
| 01/13/1987 | US4635560 Contactless powering of LIM vehicle electrical system by recovery of LIM slip power |
| 01/06/1987 | US4634950 Electric apparatus |
| 12/30/1986 | US4633158 Control system for an AC motor |
| 12/30/1986 | US4633157 Control system for permanent magnet synchronous motor |
| 12/30/1986 | US4633148 Linear drive motor multiple carrier control system |
| 12/23/1986 | CA1215740A1 Permanent split capacitor single phase electric motor system |
| 12/16/1986 | US4629958 Synchronous motor control system |
| 12/16/1986 | US4629116 Power saving thermal carrier circulating pump particularly for heat pump heating systems |
| 12/09/1986 | US4628240 Synchronous motor control system |
| 12/09/1986 | US4628233 Microprocessor based motor control |
| 12/02/1986 | US4626749 Two-dimensional positioning device |
| 11/25/1986 | US4625158 Motor control circuit for variable reluctance motor |
| 11/20/1986 | EP0201872A2 Flux-weakening regime operation of an interior permanent magnet sychronous motor |
| 11/18/1986 | US4623830 Alternating-current machine drive |
| 10/22/1986 | EP0198799A1 Control device for an electromagnetic linear motor |
| 10/21/1986 | US4618808 Electromagnetic actuator system using stepper motor with closed loop position sensing, electronic commutation and dynamic position and anomaly correction |
| 10/21/1986 | US4618805 Device for regulating rotary speed of an alternating current electric motor |
| 10/14/1986 | US4617500 Wiring construction of a control switch controlling a ceiling fan |
| 10/07/1986 | US4616165 Single-phase reluctance motor |
| 09/23/1986 | US4613805 For running a carriage |
| 09/16/1986 | US4611365 Vacuum cleaner |
| 09/16/1986 | CA1211499A1 Control circuit for a synchronous motor with two windings |
| 09/09/1986 | US4611159 AC motor control system |
| 09/09/1986 | US4611157 Switched reluctance motor drive operating without a shaft position sensor |
| 09/03/1986 | EP0192959A1 Flux control for induction motor drive using load commutated inverter circuit |
| 09/02/1986 | US4609859 Induction motor drive circuits |
| 08/26/1986 | US4608527 Phase advance waveform generator for brushless DC actuator system controller |
| 08/19/1986 | US4607206 Flux control for induction motor drive using load commutated inverter circuit |
| 08/19/1986 | US4607203 Method and apparatus for determining the pole position in a synchronous linear stator motor |
| 08/13/1986 | EP0191005A1 A device for generation of nominal current values in servo drive systems for brushless permanently magnetized synchronous motors |
| 08/12/1986 | US4605883 Motor speed control circuit |
| 08/06/1986 | EP0190066A1 Variable-speed drive for an alternating-current motor |
| 08/06/1986 | EP0189832A1 Excitation current control for induction motor drive using load commutated inverter circuit |
| 08/06/1986 | EP0189794A2 Electromagnetic actuator system |
| 08/05/1986 | CA1209199A1 Device for controlling a reluctance motor |
| 07/31/1986 | WO1986004468A1 Circuit for regulating the rotational speed of a series motor |
| 07/30/1986 | EP0188657A2 Linear drive motor multiple carrier control system |
| 07/23/1986 | EP0188239A2 Power supply systems for reluctance motors |
| 07/23/1986 | EP0187867A1 Method of and apparatus for controlling a synchronous motor |
| 07/22/1986 | US4602199 Control for induction motor drive using load commutated inverter circuit |
| 07/22/1986 | US4602198 Induction motor drive using load commutated inverter circuit |
| 07/16/1986 | EP0187527A2 Lim secondary reactance compensation and thrust control |
| 07/16/1986 | EP0187526A2 Contactless powering of lim vehicle electrical system by recovery of lim slip power |
| 07/15/1986 | US4600874 Excitation current control for induction motor drive using load commutated inverter circuit |
| 07/08/1986 | US4599549 Method and apparatus for controlling PWM inverters |
| 07/08/1986 | CA1207378A1 Method of commutation and converter circuit for switched reluctance motors |
| 06/25/1986 | EP0185212A1 Control system for a power converter driving a synchronous motor |
| 06/24/1986 | CA1206520A1 Starting system for chopper controlled motor- commutated thyristor inverter |
| 06/17/1986 | US4595865 Current-sensing scheme for switched reluctance motor drives |
| 06/10/1986 | CN85107744A 电动泵 Electric pump |
| 05/28/1986 | EP0181938A1 Controller for an induction motor |
| 05/27/1986 | US4591775 Electric synchronous machine which is excited via rotating rectifiers |
| 05/22/1986 | WO1986003076A1 Apparatus for controlling a synchronous motor |
| 05/21/1986 | EP0181511A1 Servomotor control systems |
| 05/20/1986 | US4590411 Linear motors and control circuitry therefor |
| 05/14/1986 | EP0181072A1 Motor speed control circuit |
| 05/14/1986 | EP0180860A2 Device for speed controlling |
| 05/14/1986 | EP0180815A1 Variable speed variable reluctance electrical machines |
| 05/07/1986 | EP0180311A1 Remote speed controller for a motor |
| 05/07/1986 | EP0180083A1 Control systems for variable reluctance electrical machines |
| 04/23/1986 | EP0178615A2 Power supply systems for inductive elements |
| 04/22/1986 | US4584513 Motor/generator operating on the reluctance principle |
| 04/22/1986 | US4584507 Motor speed control arrangement |
| 04/22/1986 | US4584506 Reluctance motor with electronically controlled stator windings |
| 04/22/1986 | US4584419 Process for the production of butane-1,4-diol |
| 04/22/1986 | CA1203567A1 Voltage-controlled, inverter-motor system |
| 04/22/1986 | CA1203566A1 Control and stabilizing system for damperless synchronous motor |
| 04/22/1986 | CA1203565A1 Method and apparatus for controlling the power factor of an induction-motor |
| 04/08/1986 | US4581568 Method and apparatus for automatically setting the demand phase lag input to an induction-motor power factor controller |
| 03/19/1986 | EP0174741A1 Control system for permanent magnet synchronous motor |
| 03/11/1986 | US4575667 AC Motor speed control apparatus |
| 03/11/1986 | CA1201750A1 Single phase two pole/six pole motor |
| 03/11/1986 | CA1201749A1 Single phase four pole/six pole motor |
| 03/11/1986 | CA1201748A1 Six pole/eight pole single-phase motor |
| 03/04/1986 | US4574226 Method and apparatus for controlling an electric motor the rotational speed of which is automatically reduced in no-load idling operation |
| 02/25/1986 | US4573132 Thermal model for electrical apparatus |
| 02/25/1986 | US4573002 Servomotor control system |
| 02/12/1986 | EP0171245A2 Overheat preventing system of A.C. motor |
| 02/05/1986 | EP0170368A1 Speed control apparatus for a synchronous motor |
| 02/04/1986 | US4568865 Position sensing device |
| 02/04/1986 | US4568193 Intermittent low speed control for motor operated appliance |
| 01/30/1986 | WO1986000766A1 Method of and apparatus for controlling a synchronous motor |
| 01/28/1986 | US4567420 Semi-conductor motor control system |
| 01/28/1986 | US4567416 Device for controlling an electric motor |
| 01/28/1986 | US4567407 Biased unitized motor alternator with stationary armature and field |
| 01/21/1986 | US4565956 Fast-acting servo drive system |
| 01/21/1986 | CA1199673A1 Brushless exciter for use with a variable speed synchronous motor |
| 01/08/1986 | EP0167158A2 Speed controlled electric driving device with field weakening domain |
| 01/02/1986 | EP0166686A2 Noise suppression arrangement for a series motor |
| 01/02/1986 | EP0166350A2 Stop-positioning device for linear induction motor |
| 12/31/1985 | CA1198769A1 Apparatus and methods for controlling induction motors |
| 12/05/1985 | WO1985005509A1 Electric rotating apparatus |
| 12/04/1985 | EP0163328A1 Single-phase reluctance motor |
| 12/03/1985 | CA1197550A1 Linear motors and control circuitry therefor |
| 11/27/1985 | EP0162423A2 Device for speed regulation |
| 11/21/1985 | EP0161738A1 Semi-conductor motor control system |
| 11/21/1985 | EP0161646A1 Electric motor with variable speed |
| 11/19/1985 | CA1196947A1 Self starting reluctance motor |
| 11/07/1985 | WO1985004993A1 Method of controlling pulse width modulation for a permanent magnet synchronous motor and an apparatus therefor |