| Patents for H02K 17 - Asynchronous induction motors; Asynchronous induction generators (5,343) |
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| 06/16/1994 | DE4241553A1 Washing machine drive is fed via frequency transformer - features raised secondary resistance of rotor to improve effectiveness at lower speeds |
| 06/09/1994 | WO1994013054A1 Rotor groove |
| 06/08/1994 | EP0600759A1 Linear electromagnetic induction machine with an optimised magnetic-flux distribution and application |
| 06/01/1994 | EP0352323B1 Electric braking and auxiliary acceleration apparatus for automotive vehicles |
| 05/25/1994 | EP0381769B1 Structure and method for fixing radial type rotor to output shaft of synchronous motor |
| 05/24/1994 | CA1329825C Reversing psc motor design capable of high reversal repetition rate |
| 05/18/1994 | CN2165569Y Brushless dc motor controlled by electronic brain |
| 05/18/1994 | CN2165568Y High-efficiency Y X2- asynchronous motor |
| 05/11/1994 | DE4334932A1 Rotary electric machine with three=phase star and delta stator coils - has grooved stator core into which star-connected two-part windings and delta-connected windings are embedded in succession |
| 05/04/1994 | CN1086352A Ball-coupling type wide-efficiency energy-saving electric motor |
| 04/26/1994 | US5306972 AC motor system |
| 04/19/1994 | US5304877 Rotor of a canned motor for a canned motor pump |
| 04/13/1994 | CN2162031Y AC asynchronous motor |
| 04/07/1994 | DE4233474A1 Squirrel-cage winding for electrical induction machine - has axially projecting cage bars subdivided at projecting end regions with associated ends bent away from each other |
| 03/31/1994 | WO1994007298A1 Cage rotor for high-speed induction motor |
| 03/30/1994 | CN2160166Y Same power three phase asynchronous motor for small motor base |
| 03/30/1994 | CN2160165Y Single or three phase dual asgnchronous motor |
| 03/29/1994 | US5298825 Single phase electro-magnetic actuator with low obstruction |
| 03/23/1994 | CN2159629Y Conjugate DC motor |
| 03/10/1994 | DE4329679A1 Mfg. electric motor cage rotor - filling multi-part core bores with molten material to provide motor conductor rods |
| 03/10/1994 | DE4229965A1 Async. electrical generator operated at high slip values - has ends of rotor winding coupled to resistance on outside of main stator field |
| 03/09/1994 | CN2158594Y Three-phase asynchronous motor |
| 03/09/1994 | CN2158593Y Three-phase asynchronous motor |
| 03/09/1994 | CN1083633A Resonance type AC speed regulation motor |
| 03/09/1994 | CN1083632A Single-phase power-changeable asynchronous motor |
| 03/03/1994 | WO1994005072A1 Propelling method by utilizing magnetic repulsive force and method of changing propelling direction |
| 03/03/1994 | DE4227919A1 Async. electromechanical energy converter - has spacing between magnetic loops and damping laminae diminishing ineffectual field components |
| 03/02/1994 | CN1083278A Asynchronous electric machine and rotor and stator for use in association therewith |
| 02/23/1994 | EP0583994A1 Asynchronous electric machine and rotor and stator for use in association therewith |
| 02/16/1994 | CN2156613Y Series cage type integral multi-function high-effect energy-saving motor |
| 02/09/1994 | CN1081793A Technology programme of cage asynchronous motor characterized by frequency sensitive resistance variation |
| 02/08/1994 | US5285125 Short-circuiting and brush-lifting device for asynchronous motors equipped with a slip-ring rotor |
| 02/08/1994 | US5285124 Brushless induction synchronous motor with two stators |
| 02/08/1994 | US5283941 Method for brazing rotor bars to end rings of a rotor for an asynchronous AC motor |
| 02/03/1994 | WO1994002983A1 Method for brazing rotor bars to end rings of a rotor for an asynchronous ac motor |
| 02/03/1994 | DE4225534A1 Electric motor operating and monitoring circuit for underground mining equipment - uses amplitude shifting keying data to modulate energy supply line with motor control data |
| 01/26/1994 | EP0579625A1 A rotor for a short circuited alternating current motor. |
| 01/25/1994 | US5281879 Synchronous motor with two permanent magnet rotor portions |
| 01/20/1994 | WO1994001918A1 Squirrel cage rotor for an electrical motor |
| 01/20/1994 | WO1994001917A1 Electric motor-wheel |
| 01/19/1994 | CN2153900Y Electric machine with gear-box |
| 01/12/1994 | CN2153173Y Non-breaking switching of single-winding two-speed motor |
| 01/09/1994 | WO1994019857A1 Method for manufacturing cage rotor for induction motor |
| 01/06/1994 | WO1994000904A1 Multi-stage type induction motor |
| 01/05/1994 | CN2152340Y Single phase voltage regulating speed regulating motor |
| 12/29/1993 | EP0438442B1 Squirrel-cage induction motor for frequency convertor operation |
| 12/28/1993 | US5274291 Rotary transformer with multiple angularly adjustable stators |
| 12/22/1993 | EP0574623A1 Power transmission |
| 12/18/1993 | CA2071411A1 Power transmission |
| 12/16/1993 | DE4315775A1 Two-for-one twister spindle drive - has structured grooves in squirrel cage rotor for gentle starting and slow ballooning build=up |
| 12/15/1993 | CN2149716Y Doubly-feeding type series speed-adjusting asynchronous motor |
| 12/15/1993 | CN2149711Y Multi-effect and energy-saving electric motor |
| 12/14/1993 | US5270634 Polyphase alternating current motor |
| 12/08/1993 | CN2149060Y 8/10 pole pole-changing, variable-speed, three-phase asynchronous motor |
| 12/08/1993 | CN2149059Y Single-phase reversible electric machine without controlling power |
| 11/24/1993 | EP0570672A1 Variable speed asynchronous induction motor |
| 11/24/1993 | EP0570582A1 Multiple-stator synchronous induction motor |
| 11/24/1993 | CN2147682Y Three-phase power-changeable asychronous motor |
| 11/17/1993 | CN2146810Y Self-coupling and self-compensating self-feedback adjustable-speed motor |
| 11/17/1993 | CN2146809Y Self-coupling and self-feedback adjustable-speed motor |
| 11/11/1993 | DE4215005A1 Spindle revolution electrical monitoring appts. for ring spinning frame - comprises spindles driven by separate electric motors attached to generator sending impulses on=line to analyser for indicating spindle stoppage faults |
| 11/10/1993 | CN2146082Y General rotor for three-phase asynchronous motor |
| 11/10/1993 | CN2146080Y Resonant a.c variable-speed motor |
| 11/09/1993 | US5260620 Asynchronous induction motor |
| 11/03/1993 | CN1078075A Multi-function, efficient energy-saving electric motor |
| 10/21/1993 | DE4221953C1 Kurzschlußläufer einer elektrischen Maschine Squirrel cage rotor of an electrical machine |
| 10/20/1993 | EP0566320A2 Reconfigurable AC induction motor drive for battery-powered vehicle |
| 10/14/1993 | DE3645262C2 Electric motor for domestic power tools |
| 10/13/1993 | EP0564759A1 Asynchronous motor |
| 10/13/1993 | CN2143846Y Speed regulation motor for AC winding rotor with back EMF generator |
| 10/13/1993 | CN1077317A Adjustable-speed motor |
| 09/29/1993 | EP0562610A1 Pair of cores with air gap of the truncated cone type, obtained from ferromagnetic tape for an electric rotary machine, in particular for an electric induction motor, and relative production method |
| 09/29/1993 | CN2143026Y Chopping inverse-transformer type electric motor of inner-feedback speed-regulating |
| 09/29/1993 | CN2143025Y Rotary electric motor for flat use and stator thereof |
| 09/29/1993 | CN1022277C Variable speed controlled induction motor |
| 09/22/1993 | EP0561587A2 Two compartment motor and method of manufacturing same |
| 09/22/1993 | CN1076561A Triphase induction type motor |
| 09/16/1993 | WO1993018569A1 Differential integral electrical machine |
| 09/15/1993 | CN2142240Y Wider-efficiency energy-saving electric motor |
| 09/14/1993 | US5245237 Two compartment motor |
| 09/08/1993 | EP0559230A2 Electroconductive article, method of producing same, and motor produced from the article |
| 09/08/1993 | CN2141948Y Multifunctional efficient energy-saving series squirrel-cage motor |
| 09/08/1993 | CN2141947Y Asynchronous squirrel-cage frequency-sensing rheostatic motor |
| 08/31/1993 | US5239881 Variable speed geared motor and a series thereof |
| 08/25/1993 | EP0557242A1 Drive system for a woollen card and a card |
| 08/25/1993 | EP0557056A1 Electric hoist |
| 08/25/1993 | CN1021946C Super-low-voltage wet motor |
| 08/19/1993 | DE4203482A1 Immersion centrifugal pump unit - has winding protection hoods forming holder for capacitor, with one hood extending over outer perimeter of winding |
| 08/18/1993 | EP0555701A1 Centrifugal pump unit |
| 08/18/1993 | EP0555700A1 Single-phase induction motor with starting device |
| 08/18/1993 | CN2140587Y A.c. induction speed regulating motor |
| 08/05/1993 | DE4222187C1 Squirrel cage rotor with short-circuit cage on endface of laminated core - has bars arranged in grooves of laminated core and connected to short-circuit rings |
| 08/04/1993 | CN1075034A Asynchronous motor with stepless speed regulating |
| 07/28/1993 | CN2139325Y Single-phase water-filling asynchronous motor for 100mm diameter well pump |
| 07/28/1993 | CN1074786A High starting torque asychronous motor |
| 07/01/1993 | DE4243044A1 Compact inverter integral type motor combination - has inverter cooled with heat sink mounted on top of hexagonal motor case, and cooling fan driven by motor drive shaft |
| 06/30/1993 | EP0548733A2 Electric motor applicable for submerged running |
| 06/23/1993 | CN1073555A Magneto-controlled like poles induction generator |
| 06/16/1993 | EP0546197A1 Rotor for high-speed induction ac motor |
| 06/16/1993 | CN2136546Y Multifunctional single-phase ac motor |