| Patents for H02K 19 - Synchronous motors or generators (6,576) |
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| 03/08/1988 | US4730135 Vehicular-type alternator with contamination-protected slip rings |
| 02/25/1988 | DE3628036A1 Bonded pole construction for small motor - comprises ribbon wound ring core which is cut and has faces forced apart before consolidating |
| 02/24/1988 | CN85107836B Brushless series excited in backward sequance synchronous machine with the compound excitation characteristic |
| 01/28/1988 | WO1988000409A3 Power circuit for switching the number of poles on the rotor of synchronous machines by using rotative diodes |
| 01/27/1988 | EP0254347A1 Electric machine |
| 01/20/1988 | EP0253436A1 Method and electronic circuit for starting a reluctance motor and reluctance motor provided with such an electronic circuit |
| 01/19/1988 | US4720645 Dual output alternator |
| 01/14/1988 | WO1988000409A2 Power circuit for switching the number of poles on the rotor of synchronous machines by using rotative diodes |
| 01/13/1988 | EP0252899A2 Brushless synchronous motor |
| 01/13/1988 | EP0252582A1 Rotary electrical machine |
| 01/12/1988 | US4719377 Axial air gap motor |
| 12/02/1987 | EP0247997A1 Rotary transmitter |
| 12/02/1987 | EP0247138A1 Electric generator cooling arrangement |
| 12/01/1987 | US4710657 For agricultural/industrial construction use |
| 11/17/1987 | CA1229364A1 Rotating rectifier assembly |
| 11/11/1987 | CN87100886A Water-exhaust equipment for internal water cooled rotor of electrode-concealed turbogenerator |
| 11/10/1987 | US4705983 Easily serviceable alternator, particularly for vehicular use |
| 11/04/1987 | CN87102991A Electronic assembly for frushless exciter |
| 11/04/1987 | CN87100577A Improvement on mixed-phase change-pole winding |
| 11/04/1987 | CN86108522A Two-phase or four-phase magnetic positive feedback ascillating power generation and transmission method |
| 10/28/1987 | EP0242726A1 Mounting device for electric components in a brushless excitation device |
| 10/28/1987 | CN87100887A Water outlet for internally water-cooled rotor of concealed pole turbogenerator |
| 10/22/1987 | WO1987006402A1 Alternator having improved efficiency |
| 10/21/1987 | CN86108865A Non-contact claw pole magnetic exciting generator |
| 10/20/1987 | US4701691 Synchronous generators |
| 10/14/1987 | EP0241320A1 Alternator with a low harmonics rate |
| 10/07/1987 | EP0240085A1 Household apparatus provided with a working tool |
| 10/06/1987 | US4698563 Semiconductor electric motor having a rotary transformer to excite a rotor |
| 10/06/1987 | US4698537 Electrical drive systems incorporating variable reluctance motors |
| 09/30/1987 | CN86108648A Lightweight high power electromagnetic transducer |
| 09/23/1987 | EP0238080A2 Alternator for automobile |
| 09/22/1987 | CA1227243A1 Method for the quantitative determination of calcium in biological fluids through direct potentiometry |
| 09/16/1987 | EP0237246A2 Starter generator system |
| 09/09/1987 | CN86101262A Permanent-magnet-field generating compressor set regulated by use of direct current |
| 09/01/1987 | US4691133 Iron-free rotary disk electrical machine |
| 08/25/1987 | US4689546 Internal armature current monitoring in large three-phase generator |
| 08/25/1987 | US4689509 Low inertia, speed variable induction motor |
| 08/12/1987 | EP0231785A2 Vehicle mounted a.c. generator |
| 08/11/1987 | US4686399 Rotor for rotary electrical machines |
| 08/05/1987 | EP0230868A2 A rotary machine |
| 08/05/1987 | EP0230639A2 Lightweight high power electromagnetic transducer |
| 07/28/1987 | US4683388 Compound induction electric rotating machine |
| 07/28/1987 | CA1224841A1 Rotating rectifier assembly |
| 07/22/1987 | EP0229178A1 Generator rotor cooling |
| 07/21/1987 | US4682068 Liquid cooled static excitation system for a dynamoelectric machine |
| 07/15/1987 | EP0228873A1 Rotary electrical machine |
| 07/08/1987 | EP0228012A1 Internal armature current monitoring in large three-phase generator |
| 07/08/1987 | CN86108255A Internal armature current monitoring in large three-phase generator |
| 07/08/1987 | CN85109475A Silicon rectifying generator for mobiles with monolithic diode rectifier |
| 07/07/1987 | US4678978 Quieting circuits for permanent magnet synchronous motors |
| 07/07/1987 | CA1223919A1 Electric generator system for portable floodlighting equipment |
| 06/30/1987 | CA1223624A1 Axial air gap brushless alternator |
| 06/19/1987 | DE3544531A1 Electrical machine |
| 06/17/1987 | CN86108158A Interpole supporting unit of a water-cooling salient pole synchromotor |
| 06/10/1987 | EP0120067B1 Axial air gap brushless alternator |
| 06/09/1987 | US4672291 Variable-speed electrical machine |
| 06/09/1987 | US4672252 Electrical machine with a stator lamination of grain-oriented sheets |
| 06/09/1987 | US4672248 High speed brushless dynamoelectric machine with improved control wheel assembly for excitation system components |
| 06/04/1987 | WO1987003431A1 Electric generator cooling arrangement |
| 06/03/1987 | EP0223819A1 A reluctance motor |
| 06/02/1987 | US4670696 Variable speed variable reluctance electrical machines |
| 06/02/1987 | CA1222544A1 Brushless exciter with zero-gravity rectifier assembly |
| 06/02/1987 | CA1222539A1 Brushless dynamoelectric machine with improved control wheel assembly |
| 05/05/1987 | US4663582 Self-excited generator |
| 05/05/1987 | CA1221412A1 Apparatus and method for detecting a rotating rectifier fault |
| 04/21/1987 | US4659953 Magnetic structure for synchro and tachometer |
| 04/07/1987 | US4656379 Electrical machine |
| 03/31/1987 | US4654551 Permanent magnet excited alternator compressor with brushless DC control |
| 03/18/1987 | EP0214774A2 Three-phase alternator |
| 03/18/1987 | CN86103925A Liquid cooled static excitation system for a dynamoelectric machine |
| 03/18/1987 | CN85106367A Small-sized synchronous motor |
| 03/04/1987 | EP0211920A1 Synchronous electric motors |
| 03/03/1987 | US4647806 Brushless alternator |
| 03/03/1987 | US4647802 Variable reluctance motor with reduced torque ripple |
| 02/04/1987 | CN85205734U Silicon rectifying generator with solid type rectifying diode for autocar |
| 01/29/1987 | WO1987000704A1 Generator rotor cooling |
| 01/29/1987 | WO1987000703A1 Alternator assembly |
| 01/07/1987 | EP0207155A1 Variable speed constant frequency generating system |
| 12/30/1986 | US4633160 Self-excited alternator |
| 12/30/1986 | EP0205507A1 Hysteresis ring |
| 12/17/1986 | EP0205027A2 Variable reluctance motor with reduced torque ripple |
| 12/17/1986 | EP0204834A1 Rectifier assembly |
| 12/17/1986 | CN86103343A Semi enclosed alternator |
| 12/16/1986 | CA1215426A1 Appliance driven by an electric motor |
| 12/09/1986 | US4628245 Multipolar excitation systems |
| 11/25/1986 | US4625160 Variable speed constant frequency generating system |
| 11/20/1986 | WO1986006891A1 A reluctance motor |
| 11/04/1986 | US4621210 Electric generator cooling arrangement |
| 10/21/1986 | US4618587 Method for the quantitative determination of calcium in biological fluids through direct potentiometry |
| 10/08/1986 | EP0196995A1 Electrical machine of the synchronous or asynchronous type |
| 10/07/1986 | US4616165 Single-phase reluctance motor |
| 10/01/1986 | EP0196086A2 Rotary electric machine coil assemblies |
| 09/30/1986 | US4614889 Charging dynamoelectric machine having reduced noise output |
| 09/17/1986 | CN85102367A Commutating change-pole motor and design method of its coil |
| 09/16/1986 | US4612486 Semiconductor electric motor having a rotary transformer to excite a rotor |
| 09/10/1986 | EP0193708A2 Electrical drive systems incorporating variable reluctance motors |
| 09/09/1986 | US4611139 Axial air gap brushless alternator |
| 09/03/1986 | CN85100104A Single-phase four-pole electric motor with the square peripheral surface core having optimum winding position |
| 09/02/1986 | US4609862 Twin winding three-phase alternator with zero slot coupling |
| 09/02/1986 | US4609842 In-line constant speed drive and generator |