Patents
Patents for H02K 17 - Asynchronous induction motors; Asynchronous induction generators (5,343)
12/1988
12/15/1988WO1988010021A1 Asynchronous motor
12/14/1988CN88103382A 异步电动机 Induction motor
12/07/1988CN88212705U Brushless frequency-sensing voltage-dependent resistor
11/1988
11/17/1988EP0290748A2 Rotating electric machine with external rotor
11/17/1988EP0290503A1 Electric machine and method of increasing operating efficiency of electric machines
11/16/1988CN87103405A Continuous transformer and motor
11/15/1988US4785213 Variable speed controlled induction motor
11/03/1988WO1988008636A1 Eddy-currents machine for drive and braking purposes
11/01/1988US4782260 Lamination
11/01/1988US4781726 Pads engage slots on terminal board which has edges adjacent to housing;
11/01/1988US4781610 Voltage selector for a three phase electrical motor
10/1988
10/12/1988CN87102536A Driving unit for vehicle
10/12/1988CN85100104B Single-phase four-pole electric motor with the square peripheral surface core having optimum winding position
10/11/1988US4777396 Rotor of induction motor
09/1988
09/20/1988US4772814 Parallel resonant single phase motor
09/13/1988US4771197 Frequency converter-controlled squirrel cage motor
08/1988
08/31/1988EP0280192A1 Closed slot rotor construction
08/31/1988EP0279842A1 Single and polyphase electromagnetic induction machines having regulated polar magnetic symmetry
08/31/1988CN87217510U Three-phase asynchronous "bamboo curtain" type superconducting motor
08/31/1988CN87217207U Shaded-pole starting type single-phase asynchronous motor
08/31/1988CN87212796U Single-phase pole-changing speed regulation motor
08/25/1988WO1988006107A1 Electric braking and auxiliary acceleration apparatus for automotive vehicles
08/23/1988US4766387 Motor winding insulation resistance monitoring system
08/17/1988CN87215724U Multifunctional electric generator with high efficiency
08/16/1988US4764698 A.C. electric motors having a stator forming orthogonal magnetic paths
08/09/1988CA1240361A1 Two stage electric drive
08/03/1988CN87204739U Double use motor for single and three phase
08/02/1988US4761602 Compound short-circuit induction machine and method of its control
07/1988
07/27/1988EP0275320A1 Structure of a squirrel-cage rotor
07/27/1988CN87217160U Three-phase asynchronous electric motor with braking device
07/27/1988CN87107574A Low loss asynchronous motor with solid rotor
07/26/1988US4760300 Squirrel-cage type rotor and method for its manufacture
07/20/1988EP0274635A1 Device for fixing a capacitor to the outer casing of a single phase asynchronous motor
07/19/1988US4758758 Rotor for electric machines having a spherical gap for the magnetic flux
07/19/1988US4758753 A.C. electric motors having a stator forming orthogonal magnetic paths
07/12/1988US4757171 Continuous transformer and motor
07/06/1988CN86101224B Method of manufacturing electromagnetic members
07/05/1988US4755702 Three-phase induction motor
07/05/1988US4755700 Variable speed AC motor
06/1988
06/23/1988DE3642727A1 Underwater motor-driven pump
06/23/1988DE3642726A1 Variable-speed pump set
06/21/1988US4752707 Three-phase, one-third pitch motor
06/16/1988DE3641622A1 Electric motor
06/16/1988DE3641189A1 Drive unit
06/16/1988DE3641142A1 Cage-type armature for a squirrel-cage rotor motor, and a method for its production
06/01/1988EP0269558A2 Electric arbor integrated with an induction motor and process for its production
05/1988
05/25/1988CN87203559U Monophase ac motor
05/11/1988EP0266556A2 A rotating electric machine for use as a motor
05/04/1988EP0265868A2 Rotor of induction motor
04/1988
04/27/1988CN87211684U Petrol pump motor power economizer
04/12/1988US4737701 Tapped auxiliary winding for multi-speed operation of electric motor and method therefor
04/07/1988WO1988002569A1 Electric machine and method of increasing operating efficiency of electric machines
04/07/1988DE3633938A1 Single-phase induction motor having a capacitor auxiliary phase
04/06/1988CN86106631A Alternating stepless speed regulating machine
03/1988
03/31/1988DE3632512A1 Single-phase induction motor connected in star
03/30/1988CN87106465A Single and polyphase electromagnetic induction machines having regulated polar magnetic symmetry
03/29/1988US4734601 Noise suppression circuit for parallel resonant motor
03/24/1988DE3631298A1 Reversible pole three-phase motor for underground operation, especially a squirrel-cage rotor motor
03/23/1988CN87202424U Single phase asynchronous motor without starting winding
03/23/1988CN86106227A Wound rotor asynchronous motor started with no brush
03/10/1988WO1988001803A1 Single and polyphase electromagnetic induction machines having regulated polar magnetic symmetry
03/02/1988CN86210683U Agricultural efficienty and energy-saving single-phase tappered-rating asychronous motor
02/1988
02/10/1988CN86104473B Connecting mode for the single phase asynchronous electrical generator
01/1988
01/26/1988CA1232049A1 Controllable rotary actuator
01/14/1988WO1988000407A1 Structure of a squirrel-cage rotor
12/1987
12/30/1987CN87202570U Two-speed motor windings with multiplier pole ratio
12/23/1987CN86207524U Power-saving motor for electric fan
12/23/1987CN86202254U Composite cage rotor for asynchronous motor
12/16/1987CN87104033A Variable speed controlled induction motor
12/09/1987EP0248595A2 Variable speed controlled induction motor
12/02/1987EP0247301A2 Asymmetrical shaded pole motor
11/1987
11/12/1987DE3615851A1 Single-phase motor
11/11/1987EP0244845A2 Continuous transformer and motor
11/11/1987CN86206562U Electric washer motor with low power comsumption and high torque
11/10/1987US4704789 Method of manufacturing electromagnetic members
11/05/1987WO1987006779A1 Improvements in or relating to dynamometers
11/04/1987CN87101670A Multipole proportion double speed motor winding
11/04/1987CN87100577A Improvement on mixed-phase change-pole winding
10/1987
10/28/1987EP0243154A1 Parallel resonant single phase motor
10/14/1987EP0240945A2 Induction motor
10/14/1987CN87102626A 感应电动机 Induction motor
10/14/1987CN87102564A Three-phase induction motor
10/07/1987EP0239988A2 Three-phase induction motor
10/07/1987CN86208659U Double squirrel-cage motor rotor with break prevention of conduct bar
09/1987
09/24/1987WO1987005754A1 Brushless electric motor
09/24/1987DE3609351A1 Buerstenloser elektrischer motor Brushless electric motor
09/23/1987CN87101940A Miniature motor
09/16/1987EP0236690A2 Electrical rotating machine
09/08/1987US4692647 Rotor construction in an induction motor for eliminating rotor reaction
08/1987
08/25/1987US4689595 PTC starter for asynchronous motor
08/25/1987US4689509 Low inertia, speed variable induction motor
08/19/1987EP0232428A1 Fluid stirrer
08/13/1987DE3704226A1 Stator blades of single-phase asynchronous motors
08/12/1987EP0231889A2 Capacitor inside motor
07/1987
07/29/1987CN87100200A Three-phase induction motors
07/23/1987DE3602606A1 Automatic washer drive having a three-phase motor which is supplied via a converter
07/15/1987EP0229018A2 Three-phase induction motor
07/14/1987CA1224238A1 Electric motors and method of manufacturing and operating same
06/1987
06/23/1987US4675565 Capacitor-start parallel resonant motor
06/16/1987EP0225440A1 High speed induction motor
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