Patents
Patents for H02K 17 - Asynchronous induction motors; Asynchronous induction generators (5,343)
01/1999
01/07/1999EP0655175B1 Process for operating permanently excited single-phase alternating current machines
12/1998
12/30/1998CN1203476A Transverse radiation electric machine
12/23/1998CN1202756A Variable magnetic flux ac stepless speed changing motor
12/22/1998US5852338 Dynamoelectric machine and method for manufacturing same
12/02/1998CN2299418Y 1100W capacitor starting asynchronous motor having its base measurement reduced
11/1998
11/25/1998EP0880216A1 Induction motor and its rotor
11/25/1998CN1199949A Stepless speed-regulating motor with AC inductor
11/17/1998US5838135 Driving means formed by induction motor and method for starting the same
11/11/1998EP0876702A1 Integrated magnetic levitation and rotation system
11/11/1998EP0729663A4 Open stator axial flux electric motor
11/04/1998CN1198036A Motor with control device
10/1998
10/20/1998US5825111 Electric motor system
10/14/1998EP0637867B1 Cage rotor of induction motor
10/06/1998US5818187 Motor and control for windshield wiper system
10/06/1998US5818141 Squirrel cage type electric motor rotor assembly
10/06/1998US5818137 Integrated magnetic levitation and rotation system
09/1998
09/29/1998CA2071542C Multiple-stator induction synchronous motor
09/23/1998EP0865147B1 Electric fan
09/23/1998CN2292349Y Explosion-proof single-phase double-value capacitor asynchronous motor
09/16/1998EP0865147A1 Electric fan
09/16/1998CN2291744Y Brushless induction AC single-phase generator
09/15/1998US5808450 Special alternator assembly with an inherent ballast impedance characteristic for lighting systems
09/15/1998US5808391 Induction motor
09/09/1998CN1192604A Energy-saving asynchronous motor for oil field oil-pumping machine
09/09/1998CN1192602A Winding for pulsation loading and energy saving asynchronous motor
09/01/1998US5801473 Open stator axial flux electric motor
09/01/1998US5801470 Rotors with retaining cylinders and reduced harmonic field effect losses
08/1998
08/27/1998WO1998029934A3 Electric motor
08/26/1998CN1191409A 鼠笼式转子异步电机 Squirrel-cage rotor induction motor
08/25/1998US5798593 Induction motor
08/25/1998US5797718 Fan unit generating gas streams
08/19/1998EP0859450A2 Rotating electrical machine
08/19/1998CN2288544Y Flame-proof type single-phase capacitive starting asynchronous motor
08/18/1998US5796233 Multiple-stator induction synchronous motor
08/13/1998WO1998035424A1 Electric motor with an upstream frequency converter
08/13/1998WO1998035423A1 The use of a toroidal winding in an electric polyphase machine
08/12/1998EP0858148A1 Arrangement for disconnection of the rheostat starting means of a slip-ring asynchronous motor, and motor provided with such an arrangement
08/11/1998US5793145 Induction motor
08/11/1998US5793142 Solid rotor assembly
08/11/1998US5793131 Systems and apparatus for controlling energization of electric motor windings, and methods of assembling motors
08/06/1998WO1998034315A1 Series compensation of electric alternating current machines
08/06/1998DE19704226A1 Elektromotor mit vorgeschaltetem Frequenzumrichter Electric motor with a frequency converter
08/06/1998CA2278631A1 Series compensation of electric alternating current machines
07/1998
07/30/1998DE19704652C1 Anwendung einer Ringwicklung in elektrischen Drehfeldmaschinen Application of a toroidal winding in electrical induction machines
07/29/1998EP0797861A4 Polyphase induction motor having a ferromagnetic rotor plate
07/22/1998CN1188340A Winding energy-saving motor and controller for beam-pumping unit
07/14/1998US5780951 Low-cost bobbin-wound stator construction for small, single-phase AC motors
07/09/1998WO1998029934A2 Electric motor
07/07/1998US5777421 Disc-type electrical machine
07/01/1998EP0851557A2 Squirrel-cage induction motor
07/01/1998CN1038969C Three-phase ac asynchronous motor allowing loss-of-phase running
06/1998
06/30/1998US5773909 X-ray tube target drive rotor
06/25/1998DE19652186A1 Elektrischer Motor Electric Motor
06/24/1998EP0849868A1 Eddy current device
06/17/1998CN1038800C Connection of superposition method for rotor winding of synchro-motor
06/16/1998CA2133636C Remote motor switch and capacitor assembly
06/10/1998CN2283944Y Single-phase and three-phase universal asynchronous motor
06/10/1998CN1184368A Squirrel-cage rotor with double skewed slots
06/09/1998US5763975 Axial-flow induction motor
06/03/1998EP0845170A1 Interlaced conductor/back-iron secondary for induction motors
06/02/1998US5760567 Induced voltage reduction method and an induced voltage reduction apparatus for an induction motor
06/02/1998US5758709 Method of fabricating a rotor for an electric motor
05/1998
05/28/1998DE19750915A1 Control device for washing machine has electromagnetic programming unit
05/27/1998CN1182970A Rotor of squirrel-cage induction motor and making method
05/20/1998DE19645225A1 Three-phase motor
05/20/1998CN2282298Y Three phase ac voltage regulating asychronous motor
05/13/1998EP0841745A1 Three phase induction motor supply circuit using a single phase power supply
05/12/1998US5751082 High starting torque induction motor
05/07/1998WO1998013926A3 Vehicle with electronic driving engine
05/06/1998EP0840436A1 Control circuit for two speed motors
04/1998
04/28/1998CA2118035C Squirrel-cage rotor for an electrical motor
04/22/1998CN2279740Y Three-phase asynchronous compound motor
04/16/1998WO1998015839A1 Analysis of harmonics
04/16/1998DE19642098A1 Drive for oil-tight vacuum pump esp rotary disc vacuum pump
04/15/1998CN1179026A Speed regulating motor
04/02/1998WO1998013926A2 Vehicle with electronic driving engine
04/01/1998CN2277597Y AC induction motor
03/1998
03/31/1998US5734217 Induction machine using ferromagnetic conducting material in rotor
03/26/1998WO1998012795A1 Ac energy converter and drive device therefor
03/25/1998EP0831574A1 Fixing bracket for condensator
03/24/1998US5729885 Method for rotor construction for alternating induction motor
03/17/1998US5729071 Low cost multi-pole motor constructions and methods of manufacture
03/05/1998WO1998009365A1 Induction machine using ferromagnetic conducting rotor
03/04/1998EP0826260A1 Low cost twin bobbin motors and methods for making same
03/04/1998CN2275771Y Single-phase capacitor running electric machine
03/03/1998US5723928 Induction motor and method of adjusting power factor of the same
02/1998
02/26/1998DE19633217C1 Asynchronous squirrel-cage motor esp external rotor motor with bar rotor winding
02/17/1998US5719457 Squirrel-cage rotor for an asynchronous machine
02/04/1998CN1172556A Low cost twin bobbin motors and methods for making same
01/1998
01/28/1998EP0821467A1 Control method for a dual powered induction machine and machine using this method
01/21/1998EP0819337A1 Improvements in or relating to levitation systems
01/15/1998WO1998001935A1 Rotor for an asynchronous motor, method for producing said rotor, and an asynchronous motor
01/14/1998CN2272628Y Far polar ratio four-speed single armature motor for lifting mechanism
01/08/1998WO1998000849A1 Capacitor for mounting to an electric motor
12/1997
12/31/1997CN2271773Y Miniature single-phase asynchronous capacitor operating motor
12/23/1997CA2091126C Electroconductive article, method of producing same, and motor produced from the article
12/17/1997EP0813286A2 Connector for electromotor
12/16/1997US5698912 Brushless motor with torque and speed proportional coolant flow
12/10/1997EP0812053A1 Variable-reactance immersed asynchronous motor, particularly adapted for hydraulic elevators and hoists
12/10/1997CN1167356A Rotor of induction motor
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