Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
07/2007
07/26/2007US20070170801 Radial anisotropic cylindrical sintered magnet and permanent magnet motor
07/26/2007US20070170800 Rotor for Brushless Motor
07/25/2007EP1810393A1 Rotating transverse flux machine
07/25/2007EP1810391A2 Rotor-stator structure for electrodynamic machines
07/25/2007EP1354390B1 Rotary electric motor having axially aligned stator poles and/or rotor poles
07/25/2007CN2926588Y Long-time running water pump
07/25/2007CN1328838C Rotating electrical apparatus
07/25/2007CN101005231A Motor and power steering apparatus
07/25/2007CN101005230A Multipole internal rotor permanent magnet generator
07/25/2007CN101005229A Magnetic rotary device
07/24/2007US7248006 Electronically controlled electric motor
07/24/2007US7247965 Rotor for an electric motor
07/24/2007US7247964 Electrical machine with magnetized rotor
07/24/2007US7246440 Spindle motor and method of manufacturing the same
07/19/2007WO2007080841A1 Motor and device using the same
07/19/2007US20070164617 Symmetrical two phase motor with a bipolar permanent magnet rotor and method of making such a motor
07/19/2007DE10219332B4 Motorunterstütztes Fahrrad A motor-assisted bicycle
07/18/2007EP1188219B1 Electrical machine
07/18/2007CN2924911Y Electric vehicle hub motor
07/18/2007CN1327595C Reluctance electric rotating machine with permanent magnet
07/18/2007CN1327594C Hybrid-exciting brush-free claw-pole motor
07/18/2007CN1327138C Fluid pump with motor housing and a method for the production of a motor housing
07/18/2007CN101001074A Telescopic double-rotor wind power generator control system and its excitation control method
07/18/2007CN101001073A Wind power generation excitation control method and serial double-rotor generator
07/18/2007CN101001072A Telescopic double-rotor wind wheel electric excitation mode and its control system and its electric machine
07/18/2007CN101001038A Permanent magnet type synchronous motor
07/18/2007CN101001037A Permanent magnet direct drive synthronous wind-mill generator
07/18/2007CN101001036A Variable speed constant frequency wind-mill generator and its excitation control system and its control method
07/18/2007CN101000055A Purifying pump
07/17/2007CA2510648C Dynamoelectric machine having windings that differ in wire gauge and number of winding turns
07/12/2007WO2007077381A1 Rotating electrical machine comprising pole pieces and permanent magnets
07/12/2007WO2006073949A3 Magnetic motor axle assembly
07/12/2007US20070159024 Electric motor
07/12/2007US20070159021 Composite magnet structure for rotor
07/12/2007US20070159016 Vibration generator and assemblies embodying same
07/11/2007EP1806827A1 Electric motor and method of driving the same
07/11/2007EP1806313A1 Battery forklift truck
07/11/2007EP1805877A2 Spoke permanent magnet rotor
07/11/2007CN2922261Y High magnetic energy induction non-brush environmental protection type electric generator
07/11/2007CN1998124A Rotor-stator structure for electrodynamic machines
07/11/2007CN1996746A Exciting magnetic control method of the dual-rotor wind power generation and its control system
07/11/2007CN1996745A Speed-varying and frequency-converting excitation method of the cover-overlapping dual-rotor wind-driven machine and its generator
07/11/2007CN1996744A Speed-varying and constant-frequency excitation system of the cover-overlapping dual-rotor wind motor and its generator
07/11/2007CN1996722A Claw-pole motor for the mixed driving system of the car
07/11/2007CN1996719A Direct drive permanent magnet synchronous motor for screw pump
07/11/2007CN1996712A A built-in brushless motor
07/11/2007CN1326312C Gearless permanent-magnet synchronous traction machine
07/11/2007CN1326311C Permanent-magnet type synchronous motor
07/10/2007US7242160 Starting method for Hall-less single-phase BLDCM
07/10/2007US7242128 DC brushless motor for electrical power steering and the production method thereof
07/10/2007US7242122 Low speed discoidal electric motor
07/10/2007US7242121 Brushless motor with speed detector having noise cancel pattern
07/05/2007US20070153977 Permanent magnet type motor and x-ray computed tomography apparatus
07/05/2007US20070153976 Permanent magnet type motor and x-ray computed tomography apparatus
07/05/2007US20070152536 Three-phase opposite rotating motor and fan
07/05/2007US20070152535 Dynamo-electric machine
07/05/2007US20070152530 Self-magnetized motor and stator structure thereof
07/05/2007US20070152528 Permanent magnet excited transverse flux motor with outer rotor
07/05/2007US20070152527 Reluctance motor
07/05/2007US20070152526 Ultra-thin motor structure
07/05/2007US20070152515 High speed valve assembly
07/05/2007DE102006060706A1 Permanentmagnetrotationsmaschine Permanent magnet rotary machine
07/05/2007DE102005063040A1 Elektromagnetischer Drehbetätiger An electromagnetic rotary actuator
07/05/2007DE102005062922A1 Electromotor, has stator, which generates by supplying current for coil of rotating magnetic field, and permanent magnets are placed in slots, and periphery slot segments has smaller width than radial slot segments
07/04/2007EP1804366A2 Rotatable electromagnetic atcuator
07/04/2007EP1804365A2 Permanent magnet excited transverse flux motor with outer rotor
07/04/2007EP1803211A2 Apparatus and method for dissipating a portion of the commutation derived collapsing field energy in a multi-phase unipolar electric motor
07/04/2007CN2919671Y Popular science hand generator
07/04/2007CN2919670Y Permanent magnet synchronous generator with adjustable magnetic field
07/04/2007CN1992482A Motor device utilizing magnetic force to drive a rotor
07/04/2007CN1992481A Magnetizing motor and magnetizing method thereof
07/04/2007CN1992480A Shaft belt type rare earth permanent-magnetic generator
07/04/2007CN1324791C Line start reluctance synchronous motor
07/03/2007US7239058 Rotor-stator structure for electrodynamic machines
07/03/2007US7239057 Single phase induction motor
06/2007
06/28/2007WO2007072561A1 Flat brushless motor pump and electric water pump unit for vehicle employing flat brushless motor pump
06/28/2007WO2007072010A1 Electromagnetic actuator
06/28/2007WO2007021310A3 Monopole filed electric motor generator
06/28/2007US20070145856 High-intensity discharge lighting system and alternator power supply
06/28/2007US20070145852 Stator of an electric motor
06/28/2007US20070145851 Permanent magnet synchronous motor and compressor using the same
06/28/2007US20070145850 Permanent magnet machine and method with reluctance poles and non-identical PM poles for high density operation
06/28/2007US20070145849 Electric motor rotor and method of manufacturing the same
06/28/2007US20070145848 Rotating machine
06/28/2007US20070145847 Dynamo electric machine with degauss alloy member
06/28/2007US20070145846 Magnetic rotary device
06/28/2007US20070145845 Magnetic propulsion motor
06/28/2007US20070145838 Motor and Method of Manufacturing Housing
06/27/2007EP1616741A4 Electric motor
06/27/2007EP1236262B1 Motor assembled by using motor-base-holder and method of assembling the same motor
06/27/2007EP1055282A4 Variable output rotary power generator
06/27/2007CN1988364A Overlapped double rotor generator and its speed changing and frequency changing exciting system
06/27/2007CN1988333A Multilayer laminated brushless motor
06/27/2007CN1985588A Hand turned light emitting fishing gear
06/27/2007CN1323482C Brushless motor and sealed compressor having same
06/26/2007US7235939 Method for detecting the angular position of a rotor in a brushless electric motor
06/26/2007US7235938 Motor drive and magnetic disc apparatus
06/21/2007US20070138904 Flat-type single phase brushless DC motor
06/21/2007US20070138900 Claw pole motor stator
06/21/2007US20070138897 Dc motor
1 ... 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 ... 172