| Patents for H02K 17 - Asynchronous induction motors; Asynchronous induction generators (5,343) |
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| 10/20/1981 | US4296344 Multi-speed motor |
| 10/07/1981 | EP0037307A1 Speed control system for an induction motor with a double stator |
| 10/06/1981 | US4293787 Stator winding holding structure for rotary electric machine |
| 09/29/1981 | US4292559 Electric drive with a universal and induction motor combined on a common lamination stack |
| 09/29/1981 | US4292555 Start winding cut-out circuit for an electric motor |
| 08/26/1981 | EP0034561A1 Electrical machine having a stator core of grain-oriented laminations |
| 08/18/1981 | US4284919 Pole changeable three phase winding |
| 08/06/1981 | WO1981002228A1 Induction motor with short-circuited armature and a pipe cage |
| 08/04/1981 | US4282451 Solid rotor for asynchronous electrical machines |
| 06/09/1981 | US4272714 Starter device for a single-phase asynchronous motor |
| 05/27/1981 | EP0029328A1 Electric motor construction |
| 04/29/1981 | EP0027724A1 Reversible motor |
| 04/29/1981 | EP0027703A1 Axial gap squirrel cage induction electric motor |
| 04/21/1981 | USRE30585 Concentrated winding salient-pole shaded pole motors having multiple short circuited shading coils for each pole |
| 04/21/1981 | US4263540 Two-speed refrigerant motor compressor |
| 04/14/1981 | US4262225 Low force starting switch for two-speed motor |
| 04/14/1981 | CA1099076A1 Die casting machine |
| 04/07/1981 | US4260923 Pole-amplitude modulation pole-changing electric motors and generators |
| 03/18/1981 | EP0025297A1 Improvements in electrical machines |
| 03/11/1981 | EP0024575A1 Method of manufacturing short-circuited rotor cages |
| 03/05/1981 | WO1981000652A1 Polyphase electric machine having controlled magnetic flux density |
| 03/05/1981 | WO1981000651A1 Variable speed electric machine having controlled magnetic flux density |
| 02/03/1981 | US4249098 Squirrel-cage rotor structure for an asynchronous electrical motor |
| 12/23/1980 | US4241274 Dynamoelectric machine and stationary assembly therefor |
| 12/16/1980 | US4239237 Turntable drive system for video disc player |
| 12/16/1980 | CA1091743A1 Short pitch alternator |
| 11/18/1980 | US4234810 Concentrated winding salient-pole shaded pole motors having multiple short circuited shading coils for each pole and methods of making same |
| 11/18/1980 | CA1089927A1 Optimized electric motor having controlled magnetic flux density |
| 11/12/1980 | EP0018835A1 Pole-amplitude modulation, pole-changing electric motors and generators |
| 10/14/1980 | US4228391 Induction machine |
| 10/14/1980 | CA1087720A1 Starting device for an asynchronous motor |
| 10/07/1980 | US4227106 High voltage induction motor without ladder insulation between motor windings and method of construction therefor |
| 09/17/1980 | EP0015624A1 Device for phase compensation and excitation of an asynchronous machine operating as a generator |
| 09/16/1980 | CA1085911A1 Electric motor having controlled magnetic flux density |
| 09/09/1980 | US4221999 Three-phase two speed A.C. motor |
| 09/02/1980 | US4220883 Stator core for electric motor with transformer coil or the like incorporated therein but magnetically isolated therefrom |
| 08/19/1980 | US4218645 Asynchronous machines |
| 08/19/1980 | CA1084113A1 Induction generator excitation system |
| 07/29/1980 | US4215285 Splash shield for electric motor |
| 07/29/1980 | CA1082770A1 Variable speed, constant frequency induction generator system |
| 07/29/1980 | CA1082768A1 Excitation system for multi-phase induction generator |
| 07/15/1980 | CA1081774A1 Bipolar inverter with induction generator |
| 07/08/1980 | US4211946 Asynchronous electric machine |
| 07/08/1980 | US4211944 Amorphous metal electric motor with integral capacitor |
| 06/03/1980 | CA1078908A1 Counter-rotation electric motor |
| 05/27/1980 | CA1078444A1 Inside-out inductor motor/alternator with high intertia smooth rotor |
| 05/14/1980 | EP0010685A1 Punch and winding machine |
| 04/15/1980 | CA1075754A1 Special motor windings for the suppression of a specific harmonic by expanding the electrical angle of phase belts |
| 03/11/1980 | CA1073512A1 Motor structure for rotary-anode x-ray tube |
| 02/26/1980 | US4190794 Alternating current motor with adjustable output torque by means of adjustable magnetic bars |
| 02/05/1980 | US4187457 Polyphase electric motor having controlled magnetic flux density |
| 01/29/1980 | CA1070745A1 Welded stator for electrical motors |
| 01/22/1980 | US4185217 Three pole electric motor |
| 01/01/1980 | US4181868 Alternating current motor |
| 10/30/1979 | CA1065377A1 Liquid-cooled starting motor for large inertia load |
| 10/16/1979 | CA1064573A1 Time-delay start winding cut-out circuit for an electric motor |
| 07/17/1979 | US4161680 AC rotary machine apparatus |
| 06/19/1979 | US4158788 Special motor windings for the suppression of a specific harmonic by expanding the electrical angle of phase belts |
| 06/12/1979 | US4158225 Rotary dynamoelectric machine having high-resistance rotor |
| 05/29/1979 | US4156821 Capacitor run motor |
| 05/01/1979 | US4152630 Multi-phase motor |
| 04/24/1979 | CA1053321A1 Apparatus for regulating magnetic flux in an ac motor |
| 04/10/1979 | US4149114 Induction motors having squirrel cage rotors analogous to commutator motors |
| 04/03/1979 | CA1051977A1 Modulated induction generator |
| 03/20/1979 | CA1051079A1 Shaded pole electric motor |
| 03/13/1979 | US4144470 Pole changeable three phase winding |
| 02/21/1979 | EP0000709A1 Measurement of pulsating torque in a current source inverter motor drive and method |
| 02/06/1979 | US4138619 Alternating current electric motors and generators |
| 01/16/1979 | CA1046607A1 Rotary transducer for sensing rotation of different diameter shafts having uniform arcuate surfaces |
| 01/09/1979 | US4134035 Fractional horsepower motors with selectable winding windows |
| 01/02/1979 | US4132932 Balanced split-phase electric motor |
| 01/02/1979 | US4131990 Method of making squirrel cage rotor |
| 12/26/1978 | US4131871 Electrical device and method |
| 12/26/1978 | US4131814 Concentrated winding salient-pole shaded pole motors having multiple short circuited shading coils for each pole and methods of making same |
| 11/28/1978 | US4127787 Changeable pole three phase winding |
| 10/24/1978 | US4121926 Aluminum-base alloy |
| 10/17/1978 | US4121127 External-rotor type drum motor |
| 10/10/1978 | US4119894 Single phase asynchronous motor |
| 10/03/1978 | US4118753 Starting device for an asynchronous motor |
| 09/05/1978 | US4112339 Measurement of pulsating torque in a current source inverter motor drive |
| 08/15/1978 | US4107583 Dynamoelectric machine winding arrangements, dynamoelectric machines incorporating same and methods of operating such dynamoelectric machines |
| 07/25/1978 | US4103213 Two speed single phase induction motor |
| 07/25/1978 | US4103212 Two speed single phase induction motor |
| 07/11/1978 | US4100520 Devices for controlling A.C. motors |
| 07/11/1978 | US4100467 Type of single phase induction motor assembly |
| 07/11/1978 | US4100444 Dynamoelectric machine winding arrangement |
| 06/20/1978 | US4095332 Method of making high efficiency induction motor with multi-cage circuit rotor |
| 06/13/1978 | US4095177 Transducer |
| 06/13/1978 | US4095150 Two-phase asynchronous motor |
| 06/13/1978 | US4095149 Optimized electric motor having controlled magnetic flux density |
| 05/30/1978 | US4092573 Motor starting and protecting apparatus |
| 05/02/1978 | US4087711 Rotating electric machine having a toroidal-winding armature |
| 04/25/1978 | US4086033 Oil pump for motor compressor |
| 04/18/1978 | US4084406 Chiller controls |
| 04/11/1978 | US4083917 Stator, mass production of motors |
| 04/04/1978 | US4082973 Synchronous electric motor |
| 03/28/1978 | US4081726 Electric motor |
| 02/21/1978 | US4075543 Method of determining the position and connection of multi-pole windings for multi-speed electric machines |
| 02/21/1978 | US4075521 Multi-phase generator without slip rings and brushes |
| 01/31/1978 | US4071787 Welded stator for electric motors |