| Patents for H02K 17 - Asynchronous induction motors; Asynchronous induction generators (5,343) |
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| 12/15/1988 | WO1988010021A1 Asynchronous motor |
| 12/14/1988 | CN88103382A 异步电动机 Induction motor |
| 12/07/1988 | CN88212705U Brushless frequency-sensing voltage-dependent resistor |
| 11/17/1988 | EP0290748A2 Rotating electric machine with external rotor |
| 11/17/1988 | EP0290503A1 Electric machine and method of increasing operating efficiency of electric machines |
| 11/16/1988 | CN87103405A Continuous transformer and motor |
| 11/15/1988 | US4785213 Variable speed controlled induction motor |
| 11/03/1988 | WO1988008636A1 Eddy-currents machine for drive and braking purposes |
| 11/01/1988 | US4782260 Lamination |
| 11/01/1988 | US4781726 Pads engage slots on terminal board which has edges adjacent to housing; |
| 11/01/1988 | US4781610 Voltage selector for a three phase electrical motor |
| 10/12/1988 | CN87102536A Driving unit for vehicle |
| 10/12/1988 | CN85100104B Single-phase four-pole electric motor with the square peripheral surface core having optimum winding position |
| 10/11/1988 | US4777396 Rotor of induction motor |
| 09/20/1988 | US4772814 Parallel resonant single phase motor |
| 09/13/1988 | US4771197 Frequency converter-controlled squirrel cage motor |
| 08/31/1988 | EP0280192A1 Closed slot rotor construction |
| 08/31/1988 | EP0279842A1 Single and polyphase electromagnetic induction machines having regulated polar magnetic symmetry |
| 08/31/1988 | CN87217510U Three-phase asynchronous "bamboo curtain" type superconducting motor |
| 08/31/1988 | CN87217207U Shaded-pole starting type single-phase asynchronous motor |
| 08/31/1988 | CN87212796U Single-phase pole-changing speed regulation motor |
| 08/25/1988 | WO1988006107A1 Electric braking and auxiliary acceleration apparatus for automotive vehicles |
| 08/23/1988 | US4766387 Motor winding insulation resistance monitoring system |
| 08/17/1988 | CN87215724U Multifunctional electric generator with high efficiency |
| 08/16/1988 | US4764698 A.C. electric motors having a stator forming orthogonal magnetic paths |
| 08/09/1988 | CA1240361A1 Two stage electric drive |
| 08/03/1988 | CN87204739U Double use motor for single and three phase |
| 08/02/1988 | US4761602 Compound short-circuit induction machine and method of its control |
| 07/27/1988 | EP0275320A1 Structure of a squirrel-cage rotor |
| 07/27/1988 | CN87217160U Three-phase asynchronous electric motor with braking device |
| 07/27/1988 | CN87107574A Low loss asynchronous motor with solid rotor |
| 07/26/1988 | US4760300 Squirrel-cage type rotor and method for its manufacture |
| 07/20/1988 | EP0274635A1 Device for fixing a capacitor to the outer casing of a single phase asynchronous motor |
| 07/19/1988 | US4758758 Rotor for electric machines having a spherical gap for the magnetic flux |
| 07/19/1988 | US4758753 A.C. electric motors having a stator forming orthogonal magnetic paths |
| 07/12/1988 | US4757171 Continuous transformer and motor |
| 07/06/1988 | CN86101224B Method of manufacturing electromagnetic members |
| 07/05/1988 | US4755702 Three-phase induction motor |
| 07/05/1988 | US4755700 Variable speed AC motor |
| 06/23/1988 | DE3642727A1 Underwater motor-driven pump |
| 06/23/1988 | DE3642726A1 Variable-speed pump set |
| 06/21/1988 | US4752707 Three-phase, one-third pitch motor |
| 06/16/1988 | DE3641622A1 Electric motor |
| 06/16/1988 | DE3641189A1 Drive unit |
| 06/16/1988 | DE3641142A1 Cage-type armature for a squirrel-cage rotor motor, and a method for its production |
| 06/01/1988 | EP0269558A2 Electric arbor integrated with an induction motor and process for its production |
| 05/25/1988 | CN87203559U Monophase ac motor |
| 05/11/1988 | EP0266556A2 A rotating electric machine for use as a motor |
| 05/04/1988 | EP0265868A2 Rotor of induction motor |
| 04/27/1988 | CN87211684U Petrol pump motor power economizer |
| 04/12/1988 | US4737701 Tapped auxiliary winding for multi-speed operation of electric motor and method therefor |
| 04/07/1988 | WO1988002569A1 Electric machine and method of increasing operating efficiency of electric machines |
| 04/07/1988 | DE3633938A1 Single-phase induction motor having a capacitor auxiliary phase |
| 04/06/1988 | CN86106631A Alternating stepless speed regulating machine |
| 03/31/1988 | DE3632512A1 Single-phase induction motor connected in star |
| 03/30/1988 | CN87106465A Single and polyphase electromagnetic induction machines having regulated polar magnetic symmetry |
| 03/29/1988 | US4734601 Noise suppression circuit for parallel resonant motor |
| 03/24/1988 | DE3631298A1 Reversible pole three-phase motor for underground operation, especially a squirrel-cage rotor motor |
| 03/23/1988 | CN87202424U Single phase asynchronous motor without starting winding |
| 03/23/1988 | CN86106227A Wound rotor asynchronous motor started with no brush |
| 03/10/1988 | WO1988001803A1 Single and polyphase electromagnetic induction machines having regulated polar magnetic symmetry |
| 03/02/1988 | CN86210683U Agricultural efficienty and energy-saving single-phase tappered-rating asychronous motor |
| 02/10/1988 | CN86104473B Connecting mode for the single phase asynchronous electrical generator |
| 01/26/1988 | CA1232049A1 Controllable rotary actuator |
| 01/14/1988 | WO1988000407A1 Structure of a squirrel-cage rotor |
| 12/30/1987 | CN87202570U Two-speed motor windings with multiplier pole ratio |
| 12/23/1987 | CN86207524U Power-saving motor for electric fan |
| 12/23/1987 | CN86202254U Composite cage rotor for asynchronous motor |
| 12/16/1987 | CN87104033A Variable speed controlled induction motor |
| 12/09/1987 | EP0248595A2 Variable speed controlled induction motor |
| 12/02/1987 | EP0247301A2 Asymmetrical shaded pole motor |
| 11/12/1987 | DE3615851A1 Single-phase motor |
| 11/11/1987 | EP0244845A2 Continuous transformer and motor |
| 11/11/1987 | CN86206562U Electric washer motor with low power comsumption and high torque |
| 11/10/1987 | US4704789 Method of manufacturing electromagnetic members |
| 11/05/1987 | WO1987006779A1 Improvements in or relating to dynamometers |
| 11/04/1987 | CN87101670A Multipole proportion double speed motor winding |
| 11/04/1987 | CN87100577A Improvement on mixed-phase change-pole winding |
| 10/28/1987 | EP0243154A1 Parallel resonant single phase motor |
| 10/14/1987 | EP0240945A2 Induction motor |
| 10/14/1987 | CN87102626A 感应电动机 Induction motor |
| 10/14/1987 | CN87102564A Three-phase induction motor |
| 10/07/1987 | EP0239988A2 Three-phase induction motor |
| 10/07/1987 | CN86208659U Double squirrel-cage motor rotor with break prevention of conduct bar |
| 09/24/1987 | WO1987005754A1 Brushless electric motor |
| 09/24/1987 | DE3609351A1 Buerstenloser elektrischer motor Brushless electric motor |
| 09/23/1987 | CN87101940A Miniature motor |
| 09/16/1987 | EP0236690A2 Electrical rotating machine |
| 09/08/1987 | US4692647 Rotor construction in an induction motor for eliminating rotor reaction |
| 08/25/1987 | US4689595 PTC starter for asynchronous motor |
| 08/25/1987 | US4689509 Low inertia, speed variable induction motor |
| 08/19/1987 | EP0232428A1 Fluid stirrer |
| 08/13/1987 | DE3704226A1 Stator blades of single-phase asynchronous motors |
| 08/12/1987 | EP0231889A2 Capacitor inside motor |
| 07/29/1987 | CN87100200A Three-phase induction motors |
| 07/23/1987 | DE3602606A1 Automatic washer drive having a three-phase motor which is supplied via a converter |
| 07/15/1987 | EP0229018A2 Three-phase induction motor |
| 07/14/1987 | CA1224238A1 Electric motors and method of manufacturing and operating same |
| 06/23/1987 | US4675565 Capacitor-start parallel resonant motor |
| 06/16/1987 | EP0225440A1 High speed induction motor |