| Patents for H02K 16 - Machines with more than one rotor or stator (6,539) |
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| 05/12/1998 | US5751089 Brushless DC motors/generators |
| 05/12/1998 | US5751086 Multipolar motor with two rotors |
| 05/12/1998 | US5751081 Reduction gear device with differential gear mechanism for electric vehicle |
| 05/12/1998 | US5751078 Reactionless, momentum compensated payload positioner |
| 05/05/1998 | US5747909 Hybrid alternator |
| 04/28/1998 | US5744896 Interlocking segmented coil array |
| 04/22/1998 | CN2279741Y Brushless double-magnetic gap energy-saving DC motor |
| 04/22/1998 | CN2279740Y Three-phase asynchronous compound motor |
| 04/14/1998 | US5739647 Multi-rotor electromechanical transducer and method for controlling such a transducer |
| 04/14/1998 | US5739613 Flat three-phase reluctance type motor |
| 04/14/1998 | US5739604 Lighting effect system |
| 04/09/1998 | DE19743314A1 Brushless motor with permanent magnet rotor e.g. for powering motor vehicle |
| 03/31/1998 | US5734215 Electromechanical transducer comprising two rotors |
| 03/26/1998 | WO1998012795A1 Ac energy converter and drive device therefor |
| 03/25/1998 | CN2277143Y Special 3-speed asynchronous brake electric motor for tower crane |
| 03/18/1998 | EP0829887A2 Magnetic actuator with long travel in one direction |
| 03/18/1998 | CN1176520A Electromechanical transducer comprising two rotors having permanent magnets |
| 03/12/1998 | CA2189408A1 Magnetic actuator with long travel in one direction |
| 03/11/1998 | CN1176026A Linear motor compressor and its application in cooling system |
| 03/03/1998 | US5723928 Induction motor and method of adjusting power factor of the same |
| 02/25/1998 | EP0754365B1 Redundant electric motor arrangement including single rotor assembly having two magnet sections |
| 02/25/1998 | CN2275300Y Gear accelerating constant light stabilivolt permanent magnet generater |
| 02/24/1998 | US5720590 Articulated arm transfer device |
| 02/18/1998 | EP0824289A1 Electromechanical transducer featuring two permanent magnet rotors |
| 02/17/1998 | US5719459 Electric motor for a steering mechanism |
| 02/17/1998 | US5719456 Variable reluctance electric motor |
| 02/17/1998 | US5719452 Hybrid-type stepping motor |
| 02/11/1998 | EP0746732A4 Refrigeration compressor |
| 02/10/1998 | US5717264 Concentric-double-shaft simultaneously rotating apparatus |
| 01/28/1998 | EP0821464A2 An energy storage and conversion apparatus |
| 01/28/1998 | EP0821463A2 An energy storage and conversion apparatus |
| 01/28/1998 | EP0821462A2 An energy storage and conversion apparatus |
| 01/28/1998 | CN1171648A Switch governor motor |
| 01/22/1998 | DE19628576A1 Drive for motor vehicle radiator fan |
| 01/21/1998 | EP0819333A1 Linear motor compressor and its application in cooling system |
| 01/20/1998 | US5710474 Brushless DC motor |
| 01/20/1998 | US5710471 Hybrid alternator with full output at idle |
| 01/14/1998 | EP0818077A1 Hybrid alternator |
| 01/14/1998 | CN1170059A 洗衣机 Washing machine |
| 01/13/1998 | US5708314 Multi-rotor A.C. electric drive device |
| 01/07/1998 | EP0817359A1 Power output apparatus |
| 01/07/1998 | EP0815633A1 Doubly-salient permanent-magnet machine |
| 01/07/1998 | CN2272163Y Parallel superpower imtermediate-frequency ac arc-welding generator |
| 01/07/1998 | CN1169614A Cage-type ac. speed-regulated motor |
| 12/30/1997 | USRE35702 Compact motor mount for information storage devices |
| 12/30/1997 | US5703422 Magnetic eccentric motion motor |
| 12/11/1997 | WO1997047068A1 Differential motor/generator apparatus |
| 12/10/1997 | EP0811766A2 Displacement type vacuum pump |
| 12/10/1997 | CN1167547A Generator/motor |
| 12/02/1997 | US5693995 Hybrid alternator |
| 12/02/1997 | US5693991 Synchronous twin reciprocating piston apparatus |
| 11/27/1997 | WO1997044880A1 Interlocking segmented coil array |
| 11/26/1997 | CN2269022Y Reflective electromagnet engine |
| 11/26/1997 | CN1166072A Motor and its use |
| 11/25/1997 | US5691584 Wheel motor for vehicles |
| 11/25/1997 | CA2177292A1 Accumulative electrical generator |
| 11/13/1997 | WO1997042700A1 Low-speed synchronous ac motor of axial serial phase-type |
| 11/13/1997 | WO1997042699A1 Low-speed synchronous ac motor of insert sheets-type |
| 11/13/1997 | DE19618225A1 Electric generator with counter-rotating armature and rotor |
| 11/13/1997 | DE19617300A1 Electric machine as motor-generator set |
| 11/12/1997 | EP0806832A1 Generator/motor |
| 11/05/1997 | EP0805544A1 Multiple-motor drive |
| 11/05/1997 | CN2266836Y Squirrel-cage AC speed-regulating motor |
| 11/05/1997 | CN1164141A Hub dynamo for use in bicycle |
| 11/04/1997 | US5684351 Electrical driving device comprising more than one permanent-magnet-excited rotor and a shaver comprising said driving device |
| 10/30/1997 | DE19712818A1 Wheel hub dynamo for bicycle |
| 10/28/1997 | US5682073 Hybrid excitation type permanent magnet synchronous motor |
| 10/23/1997 | DE19614936A1 Modular drum motor for handling engineering or textile machines |
| 10/21/1997 | US5678646 Propulsion system and kit for hybrid motor vehicle |
| 10/17/1997 | CA2202850A1 Dual-sectioned switched reluctance motor |
| 10/14/1997 | US5677582 Drive unit |
| 10/08/1997 | CN2264439Y Axial phase-tandem a.c low speed synchronous motor |
| 10/08/1997 | CN2264438Y Sheet inserting a.c low speed synchronous motor |
| 10/07/1997 | US5675203 Motor/generator arrangement having a movable common stator |
| 10/07/1997 | US5675197 Magnetic eccentric motion motor |
| 10/02/1997 | WO1997036362A1 Variable speed electromagnetic machine |
| 10/01/1997 | EP0798844A1 The combined power driven device having a three-layered electromechanical structure with common structures |
| 10/01/1997 | CN1160943A Coreless type BLDC motor and method of producing stator assembly |
| 09/30/1997 | US5672924 Robots using modular direct drive motors |
| 09/30/1997 | US5672923 Magnetic eccentric motion motor |
| 09/24/1997 | EP0797286A1 A machine |
| 09/23/1997 | US5670837 Disk drive spindle motor having split windings for each phase |
| 09/17/1997 | CN1159672A Multi-rotator electromechanical converter and method for control it |
| 09/16/1997 | US5668430 Dual-sectioned switched reluctance motor |
| 09/16/1997 | US5667141 High pressure cleaning means |
| 09/10/1997 | CN2262304Y Double rotor motor |
| 09/04/1997 | WO1997032390A1 High-efficiency electric motor of electronic commutation type |
| 09/04/1997 | WO1997018022A3 Apparatus with a plurality of electric-motor driven centrifuges |
| 09/03/1997 | EP0793329A1 Concentric-double-shaft simultaneously rotating apparatus |
| 09/03/1997 | CN1158674A An energy storage and conversion appts. |
| 09/03/1997 | CN1158512A Driving gear and starting operation method of induction motor |
| 08/21/1997 | DE19533871A1 Multi-stage electric motor on common shaft |
| 08/20/1997 | EP0790695A1 Hybrid dynamo-electric variable reluctance machine and manufacturing and calculation method |
| 08/20/1997 | CN1157500A Common magnetic circuit multiple rotor electric machine |
| 08/13/1997 | EP0789441A1 Electrical generating system for a motor vehicle |
| 08/12/1997 | US5656922 Vehicle based AC power system |
| 08/12/1997 | US5656879 Fluid pump |
| 07/30/1997 | EP0786853A1 Compact, power electric-geared motor |
| 07/24/1997 | DE19701797A1 Coreless and brushless double-rotor type DC motor with stator group mfg method |
| 07/23/1997 | EP0746896A4 Hybrid alternator with voltage regulator |