Patents
Patents for H02K 17 - Asynchronous induction motors; Asynchronous induction generators (5,343)
10/1984
10/17/1984EP0121584A1 A rotating electric machine for use as generator
10/16/1984CA1176295A1 Strip wound rotor for an axial airgap induction electric machine
10/09/1984US4476424 Variable speed induction motor drive system
10/09/1984US4476422 Single phase four pole/six pole motor
10/09/1984US4475873 Wet-motor pump
09/1984
09/18/1984US4472673 Rotating electric machine with speed/frequency control
09/18/1984US4472670 Simplified connections to control speed relating to electrical rotating machinery
09/12/1984EP0118271A1 Electrical machines
08/1984
08/30/1984WO1984003401A1 Electrical machines
08/30/1984WO1984003400A1 Redundant multiple channel electric motors and generators
08/30/1984WO1984003370A1 Controllable rotary actuator
07/1984
07/31/1984US4463303 Six pole/eight pole single-phase motor
07/03/1984CA1170303A1 Multiple pole axial field electromagnetic devices
07/03/1984CA1170302A1 Reduced operating loss rotor for induction motor
06/1984
06/12/1984CA1169125A1 Apparatus for controlling high voltage by absorption of capacitive vars
05/1984
05/22/1984CA1167897A1 Half-pitch capacitor induction motor
05/08/1984US4447737 Variable frequency induction generator
05/01/1984US4446416 Polyphase electric machine having controlled magnetic flux density
04/1984
04/24/1984US4445081 Leading power factor induction motor device
04/18/1984EP0105855A2 An electric drive system
04/10/1984US4442368 Rotating electrical machine
04/10/1984CA1165370A1 Electrical machine with a stator lamination of grain- oriented sheets
04/03/1984CA1164933A1 Variable speed electric machine having controlled magnetic flux density
03/1984
03/13/1984US4437027 Molded submersible motor
03/13/1984CA1163665A1 Polyphase electric machine having controlled magnetic flux density
02/1984
02/01/1984EP0099803A1 Electrical appliance for controlling rotating asynchronous machines
01/1984
01/24/1984CA1161089A1 Axial gap squirrel cage induction electric motor
01/03/1984CA1159871A1 Rotating electrical machine
12/1983
12/13/1983CA1158699A1 Alternating current machine having a non-uniform winding
11/1983
11/09/1983EP0093615A1 Variable speed rotary electrical machines
11/02/1983EP0092549A1 Parametric electric machine
10/1983
10/18/1983US4410820 Axial flux electric machine
10/11/1983US4409506 Induction motor
10/11/1983CA1155161A1 Ducted cast rotor and method of making same
10/05/1983EP0090022A1 Energy converter.
09/1983
09/07/1983EP0087960A2 Electric motor
09/06/1983US4403160 Pole change type motor
08/1983
08/23/1983US4400140 Compact fan
08/03/1983EP0084717A1 Electrical machine
08/02/1983US4395816 Method of making dynamoelectric machine rotor having cast conductors and radial coolant ducts
08/02/1983CA1150962A1 Electronically commutated motor, stationary assembly and rotatable assembly therefor, lamination, method of making a core, laundry machine, transmission mechanism and drive therefor
07/1983
07/27/1983EP0084198A1 Two-phase motor
07/19/1983US4394597 Multiple pole axial field electromagnetic devices
06/1983
06/28/1983US4390219 Terminal block and capacitor mount for blower
06/22/1983EP0081676A1 Asynchronous generator with rotor-placed permanent magnets
06/07/1983US4387313 Molded submersible motor
05/1983
05/24/1983US4385220 Motor switch and protector mounting bracket
05/17/1983CA1146343A1 Apparatus for punching and winding of motor and transformer cores
05/11/1983WO1983001713A1 Parametric electric machine
04/1983
04/28/1983WO1983001482A1 Energy converter
04/26/1983US4381482 Single-phase, reversible induction motor
04/05/1983US4379291 Bearing failure indicator for rotating electric machines
03/1983
03/22/1983CA1143431A1 Starter device for a single-phase asynchronous motor
02/1983
02/08/1983US4372180 Gear motor torque reaction absorber
02/01/1983US4371828 Autonomous electrical power generator
02/01/1983US4371802 Half-pitch capacitor induction motor
01/1983
01/25/1983US4370582 Axial gap squirrel cage induction electric motor
01/11/1983US4368418 Apparatus for controlling high voltage by absorption of capacitive vars
12/1982
12/21/1982CA1138026A1 Motor starting and protecting apparatus
12/15/1982EP0067114A1 Half-pitch capacitor induction motor
12/14/1982US4363988 Induction disk motor with metal tape components
12/14/1982US4363985 Pole change dynamo-electric machines
12/07/1982US4362959 Electric motor rotor with fitted vent spacers
11/1982
11/02/1982US4357568 Variable speed AC dynamo electric machine
11/02/1982US4357567 Reversible motor
10/1982
10/28/1982WO1982003734A1 Apparatus for controlling high voltage by absorption of capacitive vars
09/1982
09/07/1982CA1131300A1 Combination starter-protector device
08/1982
08/25/1982EP0058352A1 Winding of an electric motor in particular for an automatic washing machine
08/25/1982EP0058351A1 Connecting device for the beginnings and ends of the coils of an induction motor rotor winding
07/1982
07/27/1982US4341989 Device for phase compensation and excitation of an asynchronous machine operating as a generator
07/27/1982US4341966 Laminated dynamoelectric machine rotor having cast conductors and radial coolant ducts and method of making same
07/06/1982US4338557 Variable speed electric machine having controlled magnetic flux density
07/06/1982US4338537 Synchronous turbine type electric motor
07/06/1982US4338534 Pole-amplitude modulation, pole-changing electric motors and generators
06/1982
06/23/1982EP0054255A2 Similified connections to control speed relating to electrical rotating machinery
06/01/1982US4332528 Compression type refrigeration device
05/1982
05/26/1982EP0052179A1 Axial flux electric machine
05/26/1982EP0044328A4 Induction motor with short-circuited armature and a pipe cage.
05/25/1982US4331895 Ducted rotor and lamination with deep radial passageway
04/1982
04/27/1982US4327302 Electronically commutated motor, stationary and rotatable assemblies therefore, and lamination
04/20/1982CA1122251A1 Rotary dynamoelectric machine with magnetically permeable material in slot closures
04/15/1982WO1982001283A1 Variable-speed electrical machines
04/13/1982US4325012 Start winding cut-out circuit for an electric motor
04/07/1982EP0049106A1 Variable-speed electrical machines
04/06/1982CA1121436A1 Pole-amplitude modulation, pole-changing electric motors and generators
03/1982
03/30/1982US4322665 Two speed single phase motor
03/24/1982EP0047816A1 Multiple pole axial field electromagnetic devices
03/09/1982CA1119652A1 Pole-amplitude modulation, pole-changing electric motors and generators
03/09/1982CA1119651A1 Integral spring rotor punchings for induction motor
02/1982
02/24/1982EP0046310A1 Axial air gap motor
02/23/1982CA1118830A1 Electric motors for mining machines with air-cooled squirrel-cage rotors
01/1982
01/27/1982EP0044328A1 Induction motor with short-circuited armature and a pipe cage
01/19/1982US4311937 Axial gap electric motors
01/19/1982US4311932 Liquid cooling for induction motors
01/05/1982US4309635 Squirrel-cage rotor having end rings of double structure
01/05/1982CA1115771A1 Seven phase rotary machine apparatus
12/1981
12/29/1981US4307508 Method of assembling and mounting a switch and terminal assembly
12/02/1981EP0041000A1 Rotating electrical machine with assembled stator
11/1981
11/04/1981EP0038879A2 Rotating electric machine
10/1981
10/27/1981US4297627 Electric motor construction
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