| Patents for H02K 55 - Dynamo-electric machines having windings operating at cryogenic temperatures (1,630) |
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| 08/30/1977 | US4045716 Magnetic field systems employing a superconducting d.c. field coil |
| 08/16/1977 | US4042846 Unitary supporting structure for superconducting field assembly |
| 08/02/1977 | US4039870 Integrated annular supporting structure and damper shield for superconducting rotor assembly of dynamoelectric machine |
| 07/19/1977 | US4037124 Cooling arrangement for the rotor of an electric machine |
| 07/19/1977 | US4037123 Dynamoelectric machine with a superconductive field winding that can operate in either a synchronous or an asynchronous mode |
| 07/12/1977 | US4035678 Coolant circulation system for the rotor of an electric machine having a superconductive excitation winding |
| 07/05/1977 | US4034245 Synchronous electrical machine having a superconductive field winding |
| 04/26/1977 | US4020374 Superconducting electric motors |
| 04/26/1977 | US4020371 Electric rotating machine having a cryo-inductor |
| 04/19/1977 | US4018059 Cryogenic fluid transfer joint employing gaseous seals |
| 04/12/1977 | US4017755 Fluid-cooled rotating member with improved coolant exhaust structure suitable for superconducting dynamoelectric machinery |
| 04/05/1977 | US4016444 Rotor for an electric machine having a cryo-inductor |
| 03/22/1977 | US4013908 Cooling system for a superconductive exciter winding |
| 02/08/1977 | US4006597 Method for microwave transmission of energy with superconducting apparatus |
| 01/04/1977 | US4001617 Rotary electrical machines comprising a superconductive winding |
| 12/21/1976 | US3999093 Rotating electric machine having a controlled gradient winding and a circumferentially segmented magnetic core armature |
| 12/21/1976 | US3999091 Superconducting machine having wound damper-shield winding |
| 12/07/1976 | US3995433 Superconducting apparatus for converting microwaves into work |
| 11/16/1976 | US3991588 Cryogenic fluid transfer joint employing a stepped bayonet relative-motion gap |
| 11/16/1976 | US3991587 Method of supplying cryogenic fluid through a transfer joint employing a stepped bayonet relative-motion gap |
| 11/09/1976 | US3991333 Winding support structure for superconducting rotor |
| 09/28/1976 | US3983470 Superconducting apparatus for generating high frequency microwaves |
| 09/28/1976 | US3983427 Superconducting winding with grooved spacing elements |
| 08/31/1976 | US3977909 Solar heat energy conversion system |
| 06/29/1976 | US3967145 Contactless synchronous electric machine |
| 05/11/1976 | US3956648 Superconducting machine having flexible shield means operable to protect the superconducting field winding against transients |
| 03/16/1976 | US3944865 Homopolar dynamo-electric machines |
| 03/02/1976 | US3942053 Device for securing a superconductive exciter winding in the rotor of a turbogenerator |
| 02/24/1976 | US3940643 Cryogen-cooled synchronous compensator |
| 01/20/1976 | US3934163 Polyphase synchronous electrical machine with superconductor winding |