Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02K - Dynamo-electric machines › H02K 19 - Synchronous motors or generators
Patents for H02K 19 - Synchronous motors or generators (6,576)
03/1982
03/09/1982US4319176 Synchronous machine drive apparatus
03/09/1982US4319169 Safety control unit
03/04/1982WO1982000737A1 Electric generator
02/1982
02/16/1982US4316112 Electricity generator
02/02/1982US4314194 Alternator-rectifier unit with higher voltage excitation circuit
01/1982
01/19/1982CA1116682A1 Axial air gap dynamo-electric machine
01/06/1982EP0043068A1 Stator device for a small motor, especially a claw-pole stepping motor
12/1981
12/22/1981US4307437 Semiconductor rectifier assembly, particularly for combination with an automotive-type alternator, and method of manufacture
12/22/1981US4307314 Barrel-shaped claw-pole rotor for induction type AC generator
12/22/1981US4307311 Winding method for an electrical generator and generator manufactured by the method
12/22/1981US4307309 Brushless dynamoelectric machine
12/08/1981US4305001 Constant frequency alternator
12/01/1981US4303842 Hydrogenerator with an internally cooled rotor winding of salient pole construction
11/1981
11/04/1981EP0038879A2 Rotating electric machine
10/1981
10/29/1981WO1981003091A1 Superconductor synchronous electric machine
10/27/1981US4297604 Axial air gap alternators/generators of modular construction
10/27/1981CA1111478A1 Multi-voltage and multi-frequence alternator/generator of modular construction
10/20/1981US4296368 Internal combustion engine driven generator
10/06/1981US4293788 Three-phase vehicular generator construction
10/06/1981US4293787 Stator winding holding structure for rotary electric machine
09/1981
09/29/1981US4292532 Two-stage electric generator system
09/15/1981US4289989 Brushless exciter rotor mounting
09/08/1981US4288711 Alternator-rectifier construction where sheet metal diode support plates support a bearing
09/01/1981CA1108213A1 Synchronous machines
08/1981
08/26/1981EP0034561A1 Electrical machine having a stator core of grain-oriented laminations
08/25/1981US4286188 Amorphous metal hysteresis motor
08/18/1981US4284915 Mobile alternator-rectifier combination construction, particularly for automotive vehicles
08/18/1981US4284914 Protective cover cap for an automotive-type alternator-rectifier combination
07/1981
07/28/1981US4281265 Disc motor with A.C. and D.C. stator windings
07/28/1981CA1105988A1 Synchronous machine drive apparatus
06/1981
06/24/1981EP0030725A2 Cooling an alternating current generator with a voltage regulator unit for use in vehicles
06/23/1981US4275324 Dynamoelectric machine having shielded retaining rings
06/03/1981EP0029615A1 Shaft coupling for torque and current transmission
05/1981
05/19/1981US4268883 Reverse voltage protection for brushless excitation systems
05/19/1981US4268788 A.C. Generator exciting method
05/19/1981US4268770 Alternating current generator with radio noise suppressing capacitor
05/19/1981CA1101478A1 Ac synchronous reluctance motor
05/13/1981EP0028468A1 Alternating current generator
04/1981
04/21/1981US4263526 AC Generator with low noise claw tooth rotor
04/15/1981EP0026759A1 A three-phase generator having no winding
04/07/1981US4260944 Pulsating signal generator for the production of polyphase voltages of interference
04/07/1981US4260926 Variable reluctance electric motor with progressively saturable poles
04/07/1981US4260925 Stator for an electromagnetic transducer
03/1981
03/18/1981EP0025292A1 Dynamoelectric machine having enhanced unbalanced stator current capability
02/1981
02/17/1981CA1095985A1 Supplemental field excitation for permanent magnet rotor of pilot exciter
02/10/1981CA1095588A1 Rim-type hydroelectric machine
01/1981
01/20/1981US4246532 Synchronous generator
12/1980
12/16/1980CA1091768A1 Brushless exciter supplemental ceiling excitation system
12/16/1980CA1091741A1 Fluidly cooled flat plate neutral bus
11/1980
11/18/1980US4234360 Method of making hysteresis motor rotor using amorphous magnetic alloy ribbons
11/12/1980EP0018455A1 Apparatus for supplying high power electric loads operated in a pulse-like manner, and method for carrying out fluoroscopy
11/11/1980US4233555 Alternating current generator for providing three phase and single phase power at different respective voltages
11/04/1980US4232238 Rectifier assembly for AC generators for use with vehicles
10/1980
10/21/1980US4229689 AC Synchronized generator
10/16/1980WO1980002216A1 A three-phase generator having no winding
10/14/1980US4228377 Rotor structure for dynamo electric machines subject to vibratory, shock, or temperature change effects
10/14/1980CA1087671A1 Permanent magnet generator
09/1980
09/30/1980CA1086820A1 Alternating current power generating system
09/16/1980US4223263 Combination exciter/permanent magnet generator for brushless generator system
08/1980
08/26/1980CA1084571A1 Damped rotor for a multi-channel generating system
07/1980
07/15/1980CA1081776A1 Alternator having single stator with dual windings and compound output
07/15/1980CA1081756A1 Synchronous motor
07/08/1980US4211945 Multi-voltage and multi-frequency alternator/generator of modular construction
07/01/1980US4210836 Permanent magnet generator
07/01/1980US4210834 Device for cooling and electrically connecting field-current lines to water-cooled turbogenerator rotors
06/1980
06/25/1980EP0012555A1 Homopolar synchronous machines
06/10/1980US4207487 Electric machine
06/10/1980CA1079349A1 Protection arrangement for a brushless synchronous machine
06/03/1980US4206374 Synchronous motor
05/1980
05/06/1980US4201930 AC Generator having a clawtooth rotor with irregular trapizoidal teeth
04/1980
04/08/1980US4197473 Voltage regulator and brush assembly
04/01/1980US4196366 Synchronous motor
03/1980
03/25/1980CA1074395A1 Quadrature axis field brushless exciter
03/04/1980US4191902 Rotary electric machines
03/04/1980CA1073049A1 Main field current transient control circuit for dynamoelectric machines
02/1980
02/19/1980US4189653 Rectifier assembly for rectifying output of alternator for internal combustion engine
02/19/1980CA1072194A1 Position coder associated with a variable reluctance machine
01/1980
01/09/1980EP0006669A1 Variable-reluctance electric machine
12/1979
12/04/1979US4177414 Controllable voltage A.C. generator system
11/1979
11/27/1979US4176292 Auxiliary field winding for a superconductive alternating current electrical machine and method of exciting same
11/27/1979US4176242 Diode housing
11/14/1979EP0005137A1 Servo-motor for a closure member, especially a slider or flap, of a ventilation system or the like
10/1979
10/30/1979US4172984 Fluidly cooled flat plate neutral bus
10/16/1979CA1064562A1 Current transformer assembly for dynamoelectric machines
10/02/1979US4169360 Refrigerant compressors for automotive air conditioning refrigerating systems
09/1979
09/18/1979US4168459 Non-interruptible power supply systems
08/1979
08/14/1979CA1060521A1 Exciter cooling arrangement for dynamoelectric machines
07/1979
07/31/1979US4163187 Alternator having single stator with dual windings and compound output
07/24/1979US4162414 Generator unit with built-in thermally protected voltage regulator
07/17/1979US4161683 Alternator for a regenerative feed-back system
07/17/1979US4161668 Exciter cooling arrangement for dynamoelectric machines
07/03/1979US4160179 Rectifier and brush assembly for an alternator
06/1979
06/26/1979US4159434 Axial gap inductor alternator
05/1979
05/22/1979US4156172 Main field current transient control circuit for dynamoelectric machines
05/15/1979US4155019 Coupling assembly for mutually coupling a generator rotor having a superconductive exciter winding and a shaft carrying exciter current leads
04/1979
04/19/1979WO1979000187A1 Synchronous machines
04/17/1979CA1052849A1 End turn support for turbine generator stator
02/1979
02/20/1979US4140933 Arrangement for slipring-free measurement of rotor current of an electrical machine
01/1979
01/30/1979CA1047601A1 Device for automatic excitation of brushless electrical machines
01/23/1979US4136296 High-speed, laminated rotor for homopolar inductor alternator
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