| Patents for H02K 19 - Synchronous motors or generators (6,576) |
|---|
| 10/10/1990 | CN2063716U Change-pole winding of governor motor |
| 10/09/1990 | US4962331 Rotatable control signal generator |
| 10/04/1990 | WO1990011641A1 Electronically commutated reluctance motor |
| 09/27/1990 | DE4008446A1 Vielstufige, formgewickelte spulenwicklungen fuer einen geschalteten reluktanzmotor Multistep, form wound coils coils for a switched reluctance motor |
| 09/25/1990 | US4959605 Hybrid permanent magnet and variable reluctance generator |
| 09/25/1990 | US4959595 Rotating electric machine having a coil coaxial with rotating shaft |
| 09/24/1990 | CA2012233A1 Plural-stage form-wound coil windings for a switched reluctance motor |
| 09/19/1990 | EP0387467A2 Switched reluctance motor and operating method |
| 09/19/1990 | CN2062519U Axial composite exciting induction generator |
| 09/11/1990 | US4955944 Rotating electric machine |
| 09/11/1990 | CA1273980A1 Electrical machine with unequal pole faces |
| 09/05/1990 | EP0203174B1 In-line constant speed drive and generator |
| 09/05/1990 | CN1045202A Direct cooled bore connector |
| 09/04/1990 | US4954740 Stator winding for two-speed electrodynamic machines having fractional speed ratios |
| 09/04/1990 | US4954734 Three phase alternator with common neutral leads |
| 08/30/1990 | DE3905997A1 Reluctance motor supplied from an electronic power converter |
| 08/29/1990 | EP0384241A1 Direct cooled bore connector |
| 08/28/1990 | US4952828 Brushless generator with front cover inner-stator mount |
| 08/22/1990 | EP0383683A1 Alternating current generator |
| 08/15/1990 | CN1044740A Three-speed miscible-phase pole-changing winding wiring method and pole-changing winding |
| 08/14/1990 | US4948996 Direct cooled bore connector |
| 08/08/1990 | EP0380600A1 A work generating device driven by an electric motor |
| 07/24/1990 | US4943760 Control systems for variable reluctance electrical machines |
| 07/18/1990 | CN1044018A Bore pack exciter cooling system |
| 07/17/1990 | US4942345 Pole changing switched reluctance motor and method |
| 07/11/1990 | EP0377154A1 Bore pack exciter cooling system |
| 06/21/1990 | DE3941336A1 Unipolar generator providing AC or DC output - has counter-pole rotated relative to conductors to generate current |
| 06/19/1990 | CA1270513A1 Variable reluctance motor with reduced torque ripple |
| 05/30/1990 | CN1042631A Potential source excitation system with voltage and current adjustment |
| 05/16/1990 | EP0368594A2 Generator and excitation system |
| 05/16/1990 | EP0367870A1 Electric machines |
| 05/15/1990 | US4926076 Alternator with attached diode regulator housing |
| 05/02/1990 | CN2056795U Micro three phase butterfly type generator |
| 05/01/1990 | US4922150 Vertical-axis electrical machine of umbrella design |
| 05/01/1990 | CA1268514A1 Electrical drive systems incorporating variable reluctance motors |
| 04/24/1990 | US4918831 Method of fabricating composite rotor laminations for use in reluctance, homopolar and permanent magnet machines |
| 04/17/1990 | US4918343 Brushless alternator |
| 04/10/1990 | US4916346 Composite rotor lamination for use in reluctance hompolar, and permanent magnet machines |
| 04/05/1990 | WO1990003685A1 Ac servo motor of the type of variable reluctance |
| 03/28/1990 | CN1007393B Liquid cooled static excitation system for dynamoelectric machine |
| 03/21/1990 | CN1007312B Internal armature current monitoring in large three-phase generator |
| 03/21/1990 | CN1007310B Shield type step motor and low speed synchronous motor |
| 03/20/1990 | US4910421 Potential source excitation system with voltage and current adjustment |
| 03/08/1990 | WO1990002437A1 An electric motor |
| 03/07/1990 | CN2054227U Synchronous generator with low harmonic winding |
| 02/27/1990 | US4904890 Bore pack exciter cooling system |
| 02/27/1990 | US4904841 Welder system having controllable dual winding alternator |
| 02/22/1990 | WO1990001824A1 Stator support structure with stamped end plates |
| 02/22/1990 | WO1990001823A1 Polyphase electronically commutated reluctance motor |
| 02/21/1990 | CN1006946B Water outlet for internally water-cooled rotor of concedled pole turbogenerator |
| 02/21/1990 | CN1006945B Water-exhaust equipment for internal water cooled rotor of electrode-concealed turbogenerator |
| 02/20/1990 | US4902922 Alternator rotor, particularly for motor vehicles |
| 02/15/1990 | DE3827519A1 Drive arrangement |
| 02/13/1990 | US4900959 Insulated outer rotor for brushless exciter |
| 01/24/1990 | EP0351998A1 Multi-piece amortisseur winding end plate |
| 01/24/1990 | EP0165310B1 Apparatus and method for detecting a rotating rectifier fault |
| 01/24/1990 | CN1006593B Commutating change-pole motor and design method of its coil |
| 01/23/1990 | US4896062 For use in the rotor of an electric generator |
| 01/16/1990 | US4894553 Engine starting and charging device |
| 01/11/1990 | WO1990000324A1 Binary brushless alternator and motor |
| 01/03/1990 | EP0348984A1 Binary brushless alternator and motor |
| 01/03/1990 | CN1038552A Rotating rectifier assembly |
| 01/03/1990 | CN1006346B Improvement on mixed-phase change-pole winding |
| 12/26/1989 | US4890050 Automotive alternator |
| 12/20/1989 | EP0346346A1 Alternating current generator having a rotor with claw-type poles. |
| 12/19/1989 | US4888513 Reluctance electric machine having a decreased cross section of rotor ferromagnetic material |
| 12/12/1989 | US4887020 Self-compensating brushless alternator |
| 12/06/1989 | EP0345067A2 Rotating rectifier assembly |
| 12/06/1989 | EP0344268A1 Brushless generator with axial shortening |
| 12/06/1989 | CN2049042U Field excitation electropeter for mini diesel generator |
| 12/05/1989 | US4885495 Multi-piece amortisseur winding end plate |
| 12/05/1989 | US4885494 Motor and motor device |
| 11/30/1989 | WO1989011750A1 A work generating device driven by an electric motor |
| 11/29/1989 | EP0343845A2 Improvements in electric machines |
| 11/29/1989 | EP0343457A2 Electric heteropolar machine rotor that ist premagnetizable by am homopolar magnetic field |
| 11/29/1989 | EP0343221A1 Improved integrated diode package |
| 11/28/1989 | US4883999 Polyphase electronically commutated reluctance motor |
| 11/23/1989 | EP0342225A1 A half-wave rotary rectifier assembly |
| 11/22/1989 | CN1037433A Vertical shaft electric machine in shape of umbrella |
| 11/08/1989 | CN1037057A Superconduction magnetic shielding alternate current generator without sliding contaction |
| 11/02/1989 | EP0340029A2 Electric motor |
| 11/02/1989 | EP0339291A1 Vertical shaft electric machine of the screen type |
| 10/31/1989 | US4877985 Dynamoelectric machine |
| 10/25/1989 | CN1036671A Compensation circuit for electrical generators |
| 10/18/1989 | EP0337646A2 Rotor assembly for a dynamo electric machine and dynamo electric machine |
| 10/18/1989 | CN1036484A Novel brush-free electric generator |
| 10/17/1989 | US4874972 Magnetic isolation and cooling system in dynamoelectric machines |
| 09/26/1989 | US4870308 Flexible conductor and dynamoelectric machine incorporating the same |
| 09/26/1989 | US4870307 Block-mounted water cooled ac generator |
| 09/26/1989 | CA1260524A1 Twin winding three-phase alternator with zero slot coupling |
| 09/19/1989 | CA1259653A1 Variable speed variable reluctance electrical machines |
| 09/12/1989 | US4866364 Power circuit for switching the number of poles on the rotor of synchronous machines by using rotative diodes |
| 09/12/1989 | US4866316 Method and apparatus for changing the phase sequence of a completed generator |
| 09/05/1989 | US4864176 Stator support structure with stamped end plates |
| 09/05/1989 | US4864174 Generator device |
| 08/24/1989 | DE3804817A1 Pole-changeable synchronous electrical machine |
| 08/23/1989 | EP0329368A1 Generator |
| 08/16/1989 | EP0168491B1 Rotating rectifier assembly |
| 08/10/1989 | DE3821660C1 Reluctance machine |
| 08/09/1989 | EP0327338A2 Vehicular AC generator and manufacturing method therefor |