| Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141) | 
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| 02/26/2004 | DE10237203A1 Transversalflussmaschine Transverse flux | 
| 02/25/2004 | EP1391981A2 Transversal flux machine | 
| 02/25/2004 | EP1390618A2 Multi-stage centrifugal compressor driven by integral high speed motor | 
| 02/25/2004 | CN2604822Y One-way controllable claw pole permanent magnetic synchronous machine | 
| 02/25/2004 | CN1477759A Small vibration motor and its making method | 
| 02/25/2004 | CN1477756A Permanent magnetic synchronous motor for starting escalator or moving pavement | 
| 02/25/2004 | CN1140040C Comprehensive vehicle motor system | 
| 02/19/2004 | WO2004015847A1 Motor generator and electric motor vehicle | 
| 02/19/2004 | WO2004015842A1 Rotating electrical apparatus | 
| 02/19/2004 | WO2004015841A1 Rotator of permanent magnet rotating electric machine | 
| 02/19/2004 | WO2004001742A3 Rotor limiter for fluid dynamic bearing motor | 
| 02/19/2004 | US20040032183 Rotating electric machine | 
| 02/18/2004 | CN1476148A Driver, light modulator and lens driver | 
| 02/18/2004 | CN1476147A Driving device, light modulator and lens driving device | 
| 02/12/2004 | WO2004013944A1 Electric motor with a high ip-protective system | 
| 02/12/2004 | WO2004001740A3 Fluid dynamic bearing secondary capillary seal reservoir | 
| 02/12/2004 | US20040028301 Hydrodynamic bearing system for a rotary bearing of spindle motors | 
| 02/12/2004 | US20040027024 Brushless motor and electric appliance or vehicle equipped with the same | 
| 02/12/2004 | US20040027019 Motor and turbo-molecular pump | 
| 02/12/2004 | US20040027016 Electric machine | 
| 02/12/2004 | DE10313274A1 Elektromotor mit hoher IP-Schutzart Electric motor with high IP protection | 
| 02/11/2004 | EP1388923A2 Rotating electric machine with adjustable airgap | 
| 02/11/2004 | EP1388922A2 Rotor, Manufacturing Method of the Rotor and Motor using the Rotor | 
| 02/11/2004 | EP1388194A1 Electrical machine with plastic supporting pieces | 
| 02/11/2004 | EP1388193A2 Brushless motor | 
| 02/11/2004 | EP1281229B1 Permanent-magnet electric motor for circulation pumps of heating systems | 
| 02/11/2004 | EP1040550B1 Brushless electronic commuted motor | 
| 02/11/2004 | EP0829126B1 Rotary electrical machines | 
| 02/11/2004 | CN1474497A Motor rotor | 
| 02/10/2004 | US6690145 Permanent magnet alternator and voltage regulator circuit for the permanent magnet alternator | 
| 02/05/2004 | WO2003100957A3 Method, apparatus, and system for drive control, power conversion, and start-up control | 
| 02/05/2004 | US20040022653 Rotary machine with axial stop incorporating a current generator | 
| 02/05/2004 | US20040021437 Adaptive electric motors and generators providing improved performance and efficiency | 
| 02/05/2004 | US20040021395 Rotary permanent magnet electric motor having stator pole shoes of varying dimensions | 
| 02/05/2004 | US20040021390 Rotary electric machine and automobile provided with the same | 
| 02/05/2004 | US20040021386 Axial gap motor-generator for high speed operation | 
| 02/04/2004 | EP1387472A2 Rotary electric machine and automobile provided with the same | 
| 02/04/2004 | EP1387053A1 Fan arrangement for cooling of motor vehicle engines | 
| 02/04/2004 | EP1386382A2 Design for frameless cartridge motors | 
| 02/04/2004 | EP1171944B1 Rotor device | 
| 02/04/2004 | CN2602538Y Magnetic convergence type permanent-magnet generator with each phase of magnetic-path decoupling | 
| 02/04/2004 | CN1473385A 无刷振动电机 Brushless vibration motor | 
| 02/04/2004 | CN1473384A Armature with coated laminate bundle | 
| 02/04/2004 | CN1472873A Brushless rareearth persistant magnet DC motor | 
| 02/04/2004 | CN1472868A Rotation motor and vehicle therewith | 
| 02/03/2004 | US6684483 Method of fabricating a rotor for an electric traction motor | 
| 01/29/2004 | WO2004010565A1 Gap-winding motor | 
| 01/29/2004 | WO2004010564A1 Dynamo-electric machine | 
| 01/29/2004 | WO2003005529A3 Electric machine | 
| 01/29/2004 | US20040017123 Interior permanent magnet synchronous motor | 
| 01/29/2004 | DE10330425A1 Vektor-orientiertes Regelungssystem für synchrone Maschinen mit Permanent-Magneten unter Verwendung von Parameter-Einstellungstabellen Vector-oriented control system for synchronous machines with permanent magnets using setting parameter tables | 
| 01/29/2004 | DE10317749A1 Mehrphasenmotor Multi-phase motor | 
| 01/29/2004 | DE10229333A1 Elektrische Maschine, insbesondere bürstenlose Maschine mit permanentmagnetisch erregtem Läufer Electrical machine, in particular brushless machine with permanent-magnet-excited rotor | 
| 01/28/2004 | EP1384306A2 A toroidal electrical machine and an annular winding carrier therefor | 
| 01/28/2004 | CN1471220A Voltage-stabilized single-phase brushless neodymium-iron-boron alternating-current generator | 
| 01/28/2004 | CN1471217A Brushless motor and sealed compressor having same | 
| 01/28/2004 | CN1471215A Electromagnetic actuator and blade driving device for camera | 
| 01/22/2004 | WO2004008613A1 Linear and rotory motors for moving a tool-carrying sleeve | 
| 01/22/2004 | WO2004008612A1 Permanent magnet type rotary electric machine, air compressor, and turbin generator | 
| 01/22/2004 | WO2004008611A1 Motor, robot, substrate loader and exposure system | 
| 01/22/2004 | WO2004008606A1 Electric motor with external rotor | 
| 01/22/2004 | WO2004008605A1 Polyphase claw pole structures for an electrical machine | 
| 01/22/2004 | US20040012354 Hybrid electrical machine with system and method for controlling such hybrid machine | 
| 01/22/2004 | US20040012297 Motor with core, core and method for manufacturing core and motor with core | 
| 01/22/2004 | US20040011578 Direct drive for a wheel set | 
| 01/22/2004 | CA2493381A1 Electric motor with external rotor | 
| 01/21/2004 | EP1382109A1 Low profile motor with internal gear train | 
| 01/21/2004 | EP0990297B1 Electric drive mechanism with a magnetic bearing | 
| 01/21/2004 | CN2600973Y Vehicle mixed excitation claw pole electric generator | 
| 01/21/2004 | CN1469532A Single-phase RE permanent magnetic generator | 
| 01/21/2004 | CN1469529A Mainshaft motor and magnetic disc driver mounted with the same mainshaft motor | 
| 01/21/2004 | CN1469527A Flat motor | 
| 01/20/2004 | US6680597 Method for setting a polyphase electric stepper motor | 
| 01/20/2004 | US6680557 Rotary electric machine having cylindrical rotor with alternating magnetic poles thereon | 
| 01/15/2004 | WO2004006415A1 Polyphase motor | 
| 01/15/2004 | WO2004006414A1 Four-pole synchronous motor | 
| 01/15/2004 | WO2004006412A2 Pm motor and generator with a vertical stator core assembly formed of pressure shaped processed ferromagnetic particles | 
| 01/15/2004 | US20040008425 Driving apparatus, light-amount regulating apparatus, and lens driving apparatus | 
| 01/15/2004 | US20040007997 Vector control system for permanent magnet sychronous machines using parameter scheduling table | 
| 01/15/2004 | US20040007938 Claw-pole dynamo with radially offset yoke arms | 
| 01/15/2004 | US20040007936 Polyphase claw pole structures for an electrical machine | 
| 01/15/2004 | US20040007931 Stator coil including sequentially-connected conductor segments for an electric rotary machine and manufacturing method thereof | 
| 01/15/2004 | US20040007930 Permanent-magnet rotor for an inner rotor type electric rotary machine and magnet-saving type rotor for a synchronous motor | 
| 01/15/2004 | US20040007929 Miniature motor | 
| 01/15/2004 | US20040007925 Turntable-integrated spindle motor | 
| 01/15/2004 | DE10236704B3 Gleichstrommotor DC motor | 
| 01/15/2004 | CA2491413A1 Pm motor and generator with a vertical stator core assembly formed of pressure shaped processed ferromagnetic particles | 
| 01/14/2004 | EP1380094A2 Electric motor, especially an electronically commuted d.c. motor | 
| 01/14/2004 | EP1380088A2 Stator for an electrical induction machine, especially a synchronous machine | 
| 01/14/2004 | CN2599860Y Speed-reducing claw poler form permasyn motor | 
| 01/14/2004 | CN2599289Y Radiating fan | 
| 01/14/2004 | CN1467899A Stator of rotary motor and manufacturing method thereof | 
| 01/14/2004 | CN1467898A Rotary motor | 
| 01/14/2004 | CN1134796C Device for actuating control member | 
| 01/13/2004 | US6678115 Hydrodynamic fluid bearing containing lubricants with reduced bubble forming tendency for disk drive application | 
| 01/13/2004 | US6676383 Method and a pump apparatus for the generation of an adjustable, substantially constant volume flow of a fluid and a use of this method | 
| 01/08/2004 | WO2004004109A2 Electronically controlled electric motor | 
| 01/08/2004 | WO2004004098A1 Brushless direct-current motor of radial core type having a structure of double rotors and method for making the same | 
| 01/08/2004 | WO2004003906A1 Non-recirculating conical fluid dynamic bearing for an electric motor | 
| 01/08/2004 | WO2003088448A3 Fastening of the stator of a flat elevator motor |