| Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141) |
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| 09/24/2008 | CN101272076A Disk type motor |
| 09/24/2008 | CN101272066A Permanent magnet type synchronous rotation motor rotor and rotation motor |
| 09/24/2008 | CN101272064A High-capacity light permanent-magnetic radial/axial rotor structure direct driving type aerogenerator |
| 09/24/2008 | CN101271758A Unification method of electricity |
| 09/23/2008 | US7427817 Small-sized motor having polygonal outer shape |
| 09/18/2008 | WO2008111776A2 Electric motor |
| 09/18/2008 | WO2008111775A2 Electric motor |
| 09/18/2008 | WO2008077363A3 Electric motor having reduced detent torque |
| 09/18/2008 | US20080226474 Flattened Brushless Motor Pump and Vehicle Electric Pump Unit Using Flattened Brushless Motor Pump |
| 09/18/2008 | US20080224559 Brush-less motor and electric power steering device having brush-less motor |
| 09/18/2008 | US20080224558 Interior permanent magnet motor including rotor with flux barriers |
| 09/18/2008 | US20080224557 Electric motor with halbach arrays |
| 09/17/2008 | EP1971010A2 Brush-less motor and electric power steering device having brush-less motor |
| 09/17/2008 | EP1969696A1 Rotating electrical machine comprising pole pieces and permanent magnets |
| 09/17/2008 | EP1490952B1 Electric motor having magnetically isolated stator and rotor groups |
| 09/17/2008 | CN201118415Y Car heat radiator brushless electromotor |
| 09/17/2008 | CN201118413Y Disk three-phase brushless permanent magnetic DC electromotor |
| 09/17/2008 | CN201118407Y Permanent magnetic dual-frequency dual-speed three-phase generation DC arc welding two-purpose machine |
| 09/17/2008 | CN201118406Y An asynchronous start permanent magnetic synchronous electromotor |
| 09/17/2008 | CN201118405Y An electric wheel hub electromotor |
| 09/17/2008 | CN201118404Y Mixed excited magnetic car generator |
| 09/17/2008 | CN201118403Y High-power three-phase claw pole synchronous electromotor |
| 09/17/2008 | CN201118402Y High-power single-phase claw pole synchronization electromotor |
| 09/17/2008 | CN201118401Y Axial magnetic pass dual-protrusion pole generator |
| 09/17/2008 | CN201118337Y Wheel hub electromotor for electric bicycle and its electromotor end cover |
| 09/17/2008 | CN201118334Y Motor structure for air gun |
| 09/17/2008 | CN201118295Y A self-start permanent magnetic synchronization electromotor |
| 09/17/2008 | CN201118286Y Permanent magnetism disc motor stator basal disc |
| 09/17/2008 | CN101267148A Permanent magnetic stacking energy-saving electromotor |
| 09/17/2008 | CN101267147A Permanent magnetic overlapped efficient power generator |
| 09/17/2008 | CN101267146A A low-speed high torque permanent magnetic electromotor and elevator no gear dragger |
| 09/17/2008 | CN101267138A Flywheel electric generator |
| 09/17/2008 | CN101267131A A three-division mixed magnetic pole excitation single-hinge brushless generator |
| 09/17/2008 | CN100420246C Single chip CMOS transmitter/receiver and method of using same |
| 09/17/2008 | CN100420129C Axial gap type motor generator |
| 09/17/2008 | CN100420128C Synchronous axial field electrical machine |
| 09/17/2008 | CN100420125C Axial flux motor assembly |
| 09/16/2008 | US7425785 Permanent magnet motor |
| 09/12/2008 | WO2008109834A1 Hybrid permanent magnet motor |
| 09/12/2008 | WO2008108865A2 Energy storing and recovering device working like spring motors using nanotubes as spring |
| 09/11/2008 | US20080218023 Brushless motor and electric power steering device having brushless motor |
| 09/11/2008 | US20080218022 Motor |
| 09/11/2008 | DE102007011655A1 Permanently excited electric motor has stator and rotor, where magnetic pole generates exciting field either at stator or at rotor |
| 09/11/2008 | DE102007011261A1 Generator für Windenergieanlagen Generator for wind turbines |
| 09/10/2008 | EP1968172A2 Generator for wind farms |
| 09/10/2008 | EP1628387B1 Flat hollow type brushless servo motor with tool mounting hole |
| 09/10/2008 | EP1283764B1 Lift and turn drive unit |
| 09/10/2008 | CN201113741Y Sensor-free inner rotor permanent magnetism DC brushless motor |
| 09/10/2008 | CN201113739Y Fixed rotor interleaved superimposed and housing rotary DC motor |
| 09/10/2008 | CN201113727Y Flat and thin type generator |
| 09/10/2008 | CN201113726Y Integral wheel hub electric motor |
| 09/10/2008 | CN201113725Y Double armature double magnetic field type generator |
| 09/10/2008 | CN201113724Y Body-building equipment auto-excitation type generating and brake device |
| 09/10/2008 | CN201113723Y Electric vehicle hub electric motor |
| 09/10/2008 | CN201113722Y Direct drive type clutch motor for stop stitching at upper and lower part |
| 09/10/2008 | CN201113721Y Bearing-free magnetic levitation electric motor |
| 09/10/2008 | CN201113720Y Automobile permanent-magnet-field generator |
| 09/10/2008 | CN201113719Y Permanent magnetism synchronous electric machine |
| 09/10/2008 | CN201113718Y Linear permanent-magnet generator for wind power generation |
| 09/10/2008 | CN201113717Y Permanent magnetism synchronous pulling motor |
| 09/10/2008 | CN201113677Y Axial flow type permanent-magnet generator |
| 09/10/2008 | CN201113627Y Large power wind power generation rare-earth permanent-magnet-field generator |
| 09/10/2008 | CN201113591Y Permanent magnetism synchronous electric machine rotor |
| 09/10/2008 | CN201113573Y Iron core stamping for large power permanent magnetism wind power generator |
| 09/10/2008 | CN201113495Y Induction charger |
| 09/10/2008 | CN101263644A Fluid bearing device and manufacturing method therefor and disc drive device |
| 09/10/2008 | CN101262158A A synchronous induction electromotor rotor and its making method |
| 09/10/2008 | CN101259941A Outer rotor type permanent magnetism synchronization gear wheel free traction machine |
| 09/09/2008 | US7423357 Electric rotating machine |
| 09/09/2008 | CA2447617C Motor driven resistance spot welding gun |
| 09/04/2008 | WO2008105049A1 Permanent magnet motor, hermetic compressor, and fan motor |
| 09/04/2008 | WO2008104347A1 Electric motor |
| 09/04/2008 | WO2008104156A2 Electronically commutated electric motor |
| 09/04/2008 | US20080211336 Rotating Transverse Flux Machine |
| 09/04/2008 | US20080211322 Multipolar, Linear or Rotating Synchronous Direct Drive Motor |
| 09/04/2008 | DE202008008053U1 Stromerzeuger Power Generator |
| 09/03/2008 | CN201110250Y Flexible rotating vane wind-driven generator |
| 09/03/2008 | CN101258667A Motor for electric power steering system |
| 09/03/2008 | CN101257232A Axial-air-gap brushless vibration motor containing drive circuit |
| 09/03/2008 | CN101254428A Agitating apparatus capable of self-power and measuring system temperature by thermal resistor or thermocouple measurement during stirring process |
| 09/03/2008 | CN100416684C Rotor limiter for fluid dynamic bearing motor |
| 09/02/2008 | US7420309 Spindle motor |
| 09/02/2008 | US7419368 Air circulation device |
| 09/02/2008 | CA2500036C Apparatus and method for generating electrical power in a borehole |
| 08/28/2008 | WO2008102439A1 Permanent magnet synchronous motor and enclosed compressor |
| 08/28/2008 | WO2008051218A3 Permanent magnet reluctance machine and controller for using the same with a system |
| 08/28/2008 | US20080203848 Electrical Motor/Generator Having A Number Of Stator Pole Cores Being Larger Than A Number Of Rotor Pole Shoes |
| 08/28/2008 | US20080203842 Motor |
| 08/28/2008 | DE4411145B4 Fahrradnabe mit darin angeordnetem Gleichstromgenerator Bicycle hub disposed therein with DC generator |
| 08/27/2008 | EP1668764B1 Rotary pump with electromagnetic lcr bearing |
| 08/27/2008 | EP1553683B1 Outer rotor type multipolar generator |
| 08/27/2008 | CN201107841Y Permanent magnet synchronous motor of sine pole width modulation |
| 08/27/2008 | CN201106488Y Light-type generating set |
| 08/27/2008 | CN101252301A 磁悬浮垂直轴风车 Maglev vertical axis wind turbine |
| 08/27/2008 | CN101252295A Novel electricity generator with intense magnetic field |
| 08/26/2008 | US7417349 Driving apparatus |
| 08/26/2008 | US7417348 Rotor of permanent magnet rotating electric machine |
| 08/26/2008 | US7417347 Skeleton type BLDC motor |
| 08/26/2008 | US7417346 Permanent magnet rotating electric machine |
| 08/21/2008 | WO2008100373A2 Magnet retention system for permanent magnet motors and generators |