| Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141) |
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| 05/20/2009 | CN201241792Y Column type multilevel wind power generator |
| 05/20/2009 | CN201239468Y Sport body-building device for two-player |
| 05/20/2009 | CN101438486A Rotor-stator structure for electrodynamic machines |
| 05/20/2009 | CN101438484A Brushless motor |
| 05/20/2009 | CN101436842A Motor drive circuit |
| 05/20/2009 | CN101436841A Motor |
| 05/20/2009 | CN101436810A Permanent magnet AC motor |
| 05/20/2009 | CN100490279C An electric multipole motor/generator with axial magnetic flux |
| 05/19/2009 | US7535148 Electromagnetic device for converting mechanical vibrational energy into electrical energy, and manufacture thereof |
| 05/19/2009 | US7535147 Turbine generator having an A/C exciter |
| 05/19/2009 | US7535146 Brushless synchronous machine with embedded permanent magnets and trapezoidal electromagnetic force |
| 05/19/2009 | US7535145 Axial air gap-type electric motor |
| 05/19/2009 | US7535144 Structure for retaining magnets relative to stator in electric tool |
| 05/14/2009 | WO2009060758A1 Dynamo-electric machine |
| 05/14/2009 | WO2009060544A1 One directional electrification-type brushless dc motor provided with ac voltage output winding and motor system |
| 05/14/2009 | WO2009060222A1 A drivetrain for a hybrid electric vehicle |
| 05/14/2009 | WO2009060038A2 Electric motor or generator of the disc type |
| 05/14/2009 | WO2009036402A3 Composite electromechanical machines with uniform magnets |
| 05/14/2009 | US20090121573 Motor for electric power steering apparatus |
| 05/14/2009 | US20090121572 Electric machinery of permeable polar face & magnetic circuit sandwiched PM magnetic pole |
| 05/14/2009 | US20090121557 Electric machinery with a conduction winding excited magnetic poles sandwiched PM magnetic pole |
| 05/14/2009 | US20090121556 Electric machinery of permeable polar face & magnetic circuit sandwiched PM magnetic pole |
| 05/14/2009 | DE102007033838A1 Electric motor i.e. electronically commutated-direct current external rotor motor, for motor vehicle i.e. bicycle with electric drive, has planetary gear with base that is connected with drive shaft |
| 05/13/2009 | EP2058928A2 Electric machinery with a conduction winding excited magnetic poles sandwiched PM magnetic pole |
| 05/13/2009 | EP2058924A2 Outer rotor type multipolar generator |
| 05/13/2009 | EP2057732A1 Outer rotor type fan-motor |
| 05/13/2009 | CN201238248Y Generator with digroup structure |
| 05/13/2009 | CN201238237Y Screw type vibration-damping generator |
| 05/13/2009 | CN101431283A Motor provided with chucking device and disk driving device equipped with the motor |
| 05/13/2009 | CN101431282A Frequency conversion permanent magnet synchronous motor |
| 05/13/2009 | CN101431276A Engine exhaust turbine driving radial permanent magnet generator |
| 05/12/2009 | US7531934 Self-start synchronous motor with permanent magnets and at least one frictional agitation joint, method for manufacturing the same and compressor comprising the same |
| 05/12/2009 | US7531932 Power generating system |
| 05/12/2009 | US7531931 Permanent-magnet generator |
| 05/12/2009 | CA2499164C An electrical motor/generator having a number of stator pole cores being larger than a number of rotor pole shoes |
| 05/07/2009 | WO2009057674A1 Magnetic core for armature, its manufacturing method, armature, rotating electric machine, and compressor |
| 05/07/2009 | WO2009057467A1 Rotary electric machine and drive controller |
| 05/07/2009 | WO2009056879A1 Permanent magnet reluctance machines |
| 05/07/2009 | WO2009055957A1 A disc-type three phases brushless permanent magnet dc motor |
| 05/07/2009 | WO2009055942A1 Stator winding for an electric motor |
| 05/07/2009 | WO2008142001A3 Module for the primary part of an electric machine |
| 05/07/2009 | WO2006054842A3 Outer rotor of motor for direct drive-type washing machine |
| 05/07/2009 | WO2006017377A3 Permanent magnet rotor for a direct drive generator or a low speed motor |
| 05/07/2009 | US20090115361 Permanent magnet motor and washing machine provided therewith |
| 05/07/2009 | US20090115280 Embedded magnet type motor |
| 05/07/2009 | US20090115278 Double rotor type motor |
| 05/06/2009 | EP2056431A1 Permanent magnet type rotary electric device rotor |
| 05/06/2009 | EP2054285A1 Gearless power bogie with independent wheels for a low floor tramway vehicle |
| 05/06/2009 | EP1754297B1 Electric machine |
| 05/06/2009 | CN201234195Y DC brushless wheel type hub motor |
| 05/06/2009 | CN201234194Y Rotor of synchronous motor with rare-earth permanent magnet |
| 05/06/2009 | CN101427447A Polyphase electric motor especially for driving pumps or ventilators |
| 05/06/2009 | CN101425732A Bipolar disc type permanent magnet synchronous electric motor |
| 05/06/2009 | CN101425731A 6 pole asynchronous starting permanent magnet synchronous motor |
| 05/06/2009 | CN101425730A 4 pole asynchronous starting permanent magnet synchronous motor |
| 05/06/2009 | CN101425720A Fluid generator |
| 05/06/2009 | CN101425713A Insulating bobbin for stator of rotary machine |
| 05/06/2009 | CN101425707A Driving device using disc type motor |
| 05/06/2009 | CN100486083C DC motor |
| 05/06/2009 | CN100486077C Rotor for brushless motor and brushless motor |
| 05/05/2009 | US7529109 Driving circuit for switching DC power |
| 05/05/2009 | US7528515 Small DC motor |
| 04/30/2009 | WO2009052887A1 Electric motor and use of a permanent magnet area which is provided on the rotor of an electric motor |
| 04/30/2009 | WO2007029905A3 Magnetic motor |
| 04/30/2009 | US20090108712 Short-flux path motors / generators |
| 04/30/2009 | US20090108694 Rotor and pump |
| 04/30/2009 | US20090108693 Motor and washing machine using the same |
| 04/29/2009 | EP1014541B1 Permanent magnet synchronous motor |
| 04/29/2009 | CN201230263Y Permanent magnet frequency conversion torque motor for machine tool |
| 04/29/2009 | CN201230262Y Asynchronous starting type rear earth permanent magnet three-phase synchronous motor |
| 04/29/2009 | CN201230240Y Magnetic motor for motorcycle |
| 04/29/2009 | CN101420161A Single transplanted magnet steel permanent magnet synchronous motor |
| 04/29/2009 | CN101420160A Permanent magnet synchronous motor of sine pole width modulation |
| 04/29/2009 | CN101420150A Energy accumulation device for fly wheel |
| 04/29/2009 | CN101420139A Rotary motor and rotor thereof |
| 04/29/2009 | CN101417702A Underwater motor and thruster integrated apparatus |
| 04/29/2009 | CN100483900C Flat rotor and motor comprising the same |
| 04/29/2009 | CN100483899C Magnetic rotary device |
| 04/29/2009 | CN100483469C Illuminating warning device |
| 04/28/2009 | US7525292 Compensator device for stabilising the power of alternators in electrical power generating plants |
| 04/28/2009 | US7525229 Hysteresis-start permanent magnet motor |
| 04/28/2009 | US7523540 Device for positioning and affixing magnets to a magnetic yoke member of a motor |
| 04/28/2009 | CA2514772C Conductor optimized axial field rotary energy device |
| 04/23/2009 | WO2009051515A1 Synchronous electrical machine |
| 04/23/2009 | WO2009050686A2 Alternator with angularly staggered stator stages |
| 04/23/2009 | WO2007044680A3 Motor modules for linear and rotary motors |
| 04/23/2009 | WO2007016235A3 Motor current shaping |
| 04/23/2009 | US20090102306 Field Element Core |
| 04/23/2009 | US20090102305 Brushless electric machine |
| 04/23/2009 | US20090101449 Elevator Drive |
| 04/22/2009 | CN201226485Y Portable power supply |
| 04/22/2009 | CN201226484Y AC immersible pump and motor |
| 04/22/2009 | CN201226467Y Brushless high-speed steel tooth motor for electric vehicle |
| 04/22/2009 | CN101416372A Motor and electric power supply control apparatus for the motor |
| 04/22/2009 | CN100481684C Motor and damper using the same |
| 04/22/2009 | CN100481678C Reluctance type rotating machine with permanent magnets |
| 04/22/2009 | CN100481673C Optimized axial field rotary energy device |
| 04/22/2009 | CN100480521C Bearing device and manufacturing method thereof |
| 04/22/2009 | CA2602952A1 Magnetically driven archimedes spiral screw pump |
| 04/21/2009 | US7521834 Poly-phase electromagnetic device having an improved conductor winding arrangement |