Patents
Patents for H02K 31 - Acyclic motors or generators, i.e. dc machines having a drum or disc armature with continuous current collectors (397)
07/1989
07/20/1989DE3800608A1 Unipolar machine
03/1989
03/28/1989US4816709 Energy density homopolar generator
02/1989
02/07/1989US4803391 Unipolar motor and mechanical conversion system and method
01/1989
01/24/1989US4800311 Rotor assembly for homopolar generator
08/1988
08/30/1988US4767957 Liquid metal collector for acyclic generator
07/1988
07/20/1988EP0274598A1 Acyclic generator with liquid metal current collectors having circulating current barriers
07/13/1988EP0274015A2 Improved liquid metal circulation in an acyclic generator collector
07/06/1988EP0273134A2 Improved liquid metal collector for acyclic generator
01/1988
01/06/1988CN86104464A Commutatorless motor and torque variator
12/1987
12/29/1987US4716328 Magnetic field compensated liquid metal current collector for acyclic generator
12/08/1987US4712033 Acyclic generator with liquid metal current collectors having circulating current barriers
12/08/1987US4712032 Liquid metal circulation in an acyclic generator collector
12/01/1987US4710666 Homopolar generator with variable packing factor brushes
12/01/1987US4710665 Homopolar dynamoelectric machine with self-compensating current collector
12/01/1987US4710660 Dynamoelectric machine
10/1987
10/06/1987US4698540 Brush assembly for a homopolar generator
09/1987
09/08/1987US4692644 Fluid cooled acyclic generator rotor having a copper conductor diffusion bonded to a magnetic steel core
09/03/1987DE3606275A1 Electrical machine
08/1987
08/12/1987EP0231502A1 Fluid cooled acyclic generator rotor and method of making same
08/11/1987US4686405 Homopolar dynamoelectric machine with externally actuated brushes
07/1987
07/15/1987EP0228682A1 Magnetic field compensated liquid metal current collector for acyclic generator
07/14/1987US4679314 Method for making a fluid cooled acyclic generator rotor
05/1987
05/12/1987CA1221722A2 Homopolar generator power supply system and rotor assembly therefor
03/1987
03/11/1987EP0213243A1 Unipolar rotational speed transducer
02/1987
02/25/1987EP0211035A1 Energy density homopolar generator.
01/1987
01/02/1987DE3506830A1 DC motor without a commutator - DC generator without a commutator
12/1986
12/16/1986US4629922 Gas recirculator for acyclic machines
12/09/1986US4628221 Homopolar motor with pressurized liquid metal contact
12/09/1986CA1215097A1 Brush mechanism for a homopolar generator
10/1986
10/08/1986CN85103012A Unipolar d.c. electric machine
09/1986
09/09/1986CA1211147A1 Tandem commutatorless dc machine
08/1986
08/26/1986US4608505 Commutatorless d.c. electric motor
07/1986
07/22/1986US4602179 Homopolar dynamoelectric machine with an auxiliary field coil
07/22/1986US4602177 Dynamoelectric machine
07/17/1986WO1986004191A1 Energy density homopolar generator
04/1986
04/08/1986US4581555 Homopolar dynamoelectric machine with a shielded stator excitation coil
03/1986
03/26/1986EP0174996A1 Tandem commutatorless dc machine
12/1985
12/31/1985US4562368 Brush mechanism for a homopolar generator
10/1985
10/29/1985US4550283 Unipolar rotational speed transducer
10/10/1985WO1985004533A1 Tandem commutatorless dc machine
10/01/1985US4544874 Homopolar generator power supply system
06/1985
06/04/1985US4521709 Direct current dynamoelectric machines with auxiliary equalizer poles
04/1985
04/30/1985US4514653 Commutatorless direct current machine
03/1985
03/05/1985US4503349 Self-excited high current DC electrical pulse generator
02/1985
02/12/1985US4499392 Homopolar alternator electromechanical power conversion machine
07/1984
07/10/1984US4459504 Brush actuator for homopolar generator
08/1983
08/16/1983US4399381 Homopolar dynamoelectric machine
03/1983
03/23/1983EP0074895A1 Rotating electric direct current machines with auxiliary compensating poles
12/1982
12/15/1982EP0066602A1 Closed path homopolar machine
06/1982
06/24/1982WO1982002126A1 Closed path homopolar machine
03/1982
03/16/1982US4320318 Brush actuation mechanism
02/1982
02/09/1982CA1118030A1 Divided housing unipolar dynamoelectric machine
02/02/1982US4314171 Narrow gap collector with integral electromagnetic pump
01/1982
01/26/1982CA1117171A1 Electric vehicle drive train having unipolar motor
01/05/1982US4309621 Integrated fluid dynamoelectric machine
12/1981
12/08/1981CA1113994A1 Homopolar machine for reversible energy storage and transfer systems
08/1981
08/18/1981US4284918 Porous interface stabilized liquid metal current collector
08/04/1981CA1106432A1 Liquid metal raceway current collector for high speed acyclic machines
06/1981
06/30/1981US4276507 Homopolar machine for reversible energy storage and transfer systems
06/23/1981US4275323 Active shield for disk-drum acyclic machine
06/09/1981CA1102860A1 Unipolar dynamoelectric machine with variable resistance control
06/02/1981US4271369 Homopolar machine for reversible energy storage and transfer systems
05/1981
05/05/1981US4266154 Permeable mesh current collector for DC machines
04/1981
04/07/1981US4260922 Integral collector pump for high speed machine
01/1981
01/20/1981US4246507 Removable brush mechanism for a homopolar generator
01/07/1981EP0022129A1 Unipolar machine
12/1980
12/23/1980US4241273 Compliant cage for raceway-type liquid metal current collector for high-speed acyclic machines
12/23/1980US4241272 Novel liquid metal current collector configuration
11/1980
11/12/1980EP0018964A1 Uni-polar machine
09/1980
09/23/1980US4224546 Purification of liquid metal current collectors
06/1980
06/17/1980US4208600 Disk/drum acyclic machine
06/10/1980US4207486 Method and apparatus for liquid metal circulation in an acyclic machine
03/1980
03/19/1980EP0008791A1 Improvement in homopolar machines with a cylindrical air gap
01/1980
01/29/1980US4186321 Current collector with compliant brush containing liquid metal reservoir
10/1979
10/30/1979US4172987 Electrical liquid contact for an electrical machine such as an electric unipolar machine having a horizontal shaft or the like
09/1979
09/18/1979US4168446 Liquid metal current collector with compliant brush having flooded filaments
09/18/1979US4168445 Offset liquid metal storage method and means
09/05/1979EP0003739A1 Electrical vehicle drive train having a unipolar motor incorporating a variable liquid-metal electrical connection
05/1979
05/22/1979US4156155 Combined rotary electrical contact and shaft seal system
05/08/1979US4153868 Unipolar dynamoelectric machine with variable resistance control
04/1979
04/24/1979US4151455 Divided housing unipolar dynamoelectric machine
04/17/1979CA1052848A1 Homopolar machine for reversible energy storage and transfer systems
03/1979
03/27/1979US4146807 Liquid metal raceway current collector for high speed acyclic machines
11/1978
11/07/1978US4124086 Electric vehicle drive train having unipolar motor
08/1978
08/29/1978US4110648 Homopolar machine for reversible energy storage and transfer systems
08/22/1978US4108616 Liquid-gas phase separation for self-contained liquid metal current collectors
06/1978
06/27/1978US4097758 Coaxial disk stack acyclic machine
05/1978
05/09/1978US4088911 Electric unipolar machine
04/1978
04/25/1978US4086506 Contra-rotating homopolar motor-generator for energy storage and return
08/1977
08/09/1977US4041337 Segmented magnet homopolar dynamoelectric machines having fluid cooled liquid metal current collecting zones
05/1977
05/31/1977US4027184 Pumped single-pass return liquid metal collector with reversed current path for acyclic machines
05/31/1977US4027183 Liquid-gas phase separation for self-contained liquid metal current collectors
05/17/1977US4024422 Homopolar motor-battery
11/1976
11/02/1976US3989968 Pumped double-pass return liquid metal collector for acyclic machines
10/1976
10/05/1976US3984715 Fluid contact for a DC machine
07/1976
07/27/1976US3971963 Electomagnetic rotary motion device and exposure control device using the same
03/1976
03/16/1976US3944865 Homopolar dynamo-electric machines
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