| Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141) |
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| 04/24/2001 | US6220047 Semi-frozen food product producing machine |
| 04/19/2001 | WO2001028075A1 Electric power generator having rotor magnet-pole and stator-pole surfaces being similarly shaped |
| 04/19/2001 | WO2001028072A1 Compressor |
| 04/19/2001 | WO2001028069A2 Axial gap motor-generator for high speed operation |
| 04/19/2001 | DE19949899A1 Bicycle dynamo with slim rotor and relatively large diameter drive wheel |
| 04/19/2001 | DE19943274A1 Synchronous motor with permanent magnet excitation and control of stator induced voltage by adjusting magnetic behaviour of one magnet per pole |
| 04/19/2001 | CA2386238A1 Axial gap motor-generator for high speed operation |
| 04/18/2001 | EP1093207A2 Electric motor |
| 04/18/2001 | EP1093133A2 Rare earth resin magnet, magnet rotor, magnet motor using the same, and its manufacturing method |
| 04/18/2001 | EP0845169A4 Permanent magnet rotor alternator |
| 04/18/2001 | CN1064786C DC brushless motor and control unit |
| 04/17/2001 | US6217218 Hydrodynamic bearing spindle motor |
| 04/17/2001 | CA2139118C Electric motor-wheel |
| 04/12/2001 | WO2001026202A1 Axial fluid flow inducing device with multiple magnetically driven impellers |
| 04/12/2001 | DE10044106A1 Spindle drive motor with magnetic fluid seal for hard disc drive (HDD), has flow conducting plate jutting in to magnetic fluid chamber and resting on end face of inner bearing ring |
| 04/12/2001 | CA2353969A1 Axial fluid flow inducing device with multiple magnetically driven impellers |
| 04/11/2001 | EP1091476A2 Three-phase magneto generator |
| 04/11/2001 | EP1091472A2 Electric fuel pump and rotor for a fuel pump |
| 04/11/2001 | CN1291372A Rotating electric machine with permanent magnets and magnetic resistance having an improved structure |
| 04/11/2001 | CN1291370A Rotating electric machine with permaneuts and magnetic resistance with improved flux weakening properties |
| 04/11/2001 | CA2322923A1 Electric motor |
| 04/07/2001 | CA2321608A1 Electric fuel pump and pump mechanism for a fuel pump |
| 04/05/2001 | DE19946938A1 Winch drive for sail reefing device uses electronically-commutated DC motor with permanent magnet rotor enclosed by ring of stator coils |
| 04/05/2001 | DE19946648A1 Pole switched, permanent magnet stimulated electric machine has stator with conventional three-phase or alternating current coil and rotor with unmagnetisable magnets per pole |
| 04/04/2001 | EP1089417A2 An alternating current dynamo for a vehicle |
| 04/04/2001 | EP1088385A1 Electronically controlled electric motor provided for use in an environment containing solvents |
| 04/04/2001 | EP0779085A4 Drive unit for transport devices |
| 04/04/2001 | EP0763273A4 Electric current generation apparatus |
| 04/03/2001 | US6211597 Motor/generator with multiple rotors |
| 04/03/2001 | US6211596 Claw-pole machine |
| 04/03/2001 | US6211593 Synchronous motor with permanent magnet provided on magnetic pole end |
| 04/03/2001 | US6211592 Motor for driving storage disks |
| 04/03/2001 | US6211589 Magnetic systems for energy storage flywheels |
| 04/03/2001 | US6210033 Magnetic drive blender |
| 03/29/2001 | WO2001022415A1 Drive unit and electric motor therefor |
| 03/28/2001 | EP1087518A2 Control device and method for motor/generator |
| 03/28/2001 | EP1087498A2 Motor/generator with separated cores |
| 03/28/2001 | EP1086523A2 Rotary electrical machines |
| 03/28/2001 | EP1086522A1 Direct drive inside-out brushless roller motor |
| 03/28/2001 | CN2425450Y Structure of magneto generator |
| 03/28/2001 | CN1289472A Motor vehicle alternator with interpolar magnets |
| 03/28/2001 | CN1289471A Motor with electric direction-changing stator and rotor with permanent magnet |
| 03/28/2001 | CN1063881C 电动机 Electric motor |
| 03/27/2001 | US6208061 No-load generator |
| 03/27/2001 | US6208055 Electromagnetic transducer and electronic device including the transducer |
| 03/21/2001 | EP1085644A2 Hybrid car and dynamo-electric machine |
| 03/21/2001 | CN1288284A AC electric motor |
| 03/21/2001 | CN1063597C Brushless DC motor |
| 03/21/2001 | CN1063594C Rotor in permanent magneti generator |
| 03/21/2001 | CN1063593C Hybrid alternator with voltage regulator |
| 03/20/2001 | US6204587 Self-Starting electric brushless motor having permanent magnet and reluctance poles |
| 03/15/2001 | WO2001018940A2 Permanent magnet motor |
| 03/15/2001 | DE19943050A1 Drive system e.g. for vehicle, has rotor arrangement connected to drive shaft via bearer arrangement with bearer section of lower permeability than at least one part of rotor interaction region |
| 03/15/2001 | DE19943038A1 Drive system especially for vehicle, has forced guide arrangement for guiding stator and rotor arrangements relative to each other when performing axial relative motion to assemble or dismantle electric machine |
| 03/15/2001 | DE10000400A1 Brushless DC motor for electric fan has driver circuit for stator coil supplied from AC supply network via voltage converter with rectification, filtering and smoothing stages |
| 03/14/2001 | EP1083559A2 A spindle motor |
| 03/14/2001 | EP1082804A1 Rotating machine with advanced excitation means |
| 03/14/2001 | CN1063295C Starting and electric generating device for vehicle |
| 03/13/2001 | US6201335 Rotor structure |
| 03/13/2001 | US6201331 Motor/generator |
| 03/13/2001 | US6201324 Stator pole teeth for a claw pole stepping motor |
| 03/13/2001 | US6199265 Method of securing magnets of revolving electric machine |
| 03/07/2001 | EP1081832A2 Spindle motor |
| 03/07/2001 | EP1081825A2 Electric motor having composite encapsulated stator and rotor |
| 03/07/2001 | EP1081386A2 Axial flux electric motor |
| 03/07/2001 | EP1080527A2 Magnetic circuit for rotating apparatus |
| 03/07/2001 | EP1080526A1 Motor with an electrically commutated stator and a rotor with permanent magnets |
| 03/06/2001 | US6198196 Method and device for compensating for magnetic pull in a discoidal machine |
| 03/01/2001 | WO2000060724A8 High performance brushless motor and drive for an electrical vehicle motorization |
| 03/01/2001 | DE19940457A1 Axialflußmotor Axial flux |
| 02/28/2001 | EP1079385A2 A spindle motor for disk driving device |
| 02/28/2001 | EP1079112A2 Electric motor driven centrifugal pump with outer rotor |
| 02/28/2001 | EP1078438A1 Rotating machine comprising magnets with different compositions |
| 02/27/2001 | US6195226 Disk storage device |
| 02/27/2001 | US6194852 High speed electric motors |
| 02/27/2001 | US6194806 Compact cylindrical radial gap type motor |
| 02/27/2001 | US6194802 Axial gap motor with radially movable magnets to increase speed capablity |
| 02/27/2001 | US6194799 High-power low-RPM DC motor |
| 02/27/2001 | US6194797 Method for producing a multipole electric motor, and a multipole electric motor |
| 02/22/2001 | WO2001013499A1 Rotary electric machine with alternative current |
| 02/22/2001 | WO2001013498A1 Permanent magnet electric motor with annular stator |
| 02/22/2001 | WO2001013497A1 Assembly of rotatable members |
| 02/22/2001 | DE19939522A1 Elektromotorisch angetriebene Kreiselpumpe mit außenliegendem Rotor Electric motor-driven centrifugal pump with external rotor |
| 02/22/2001 | DE10020942A1 Rotary DC electrical machine has permanent magnet rotor and axially magnetized annular magnets or annular coils provided at each end of stator or stator mantle |
| 02/21/2001 | EP1076922A1 Axial air gap modular motor |
| 02/21/2001 | EP1076921A1 Synchronous magneto |
| 02/21/2001 | CN1284780A Triphase lower-speed synchronous AC motor |
| 02/21/2001 | CN1062389C Multiphase electric machine |
| 02/21/2001 | CN1062388C Transverse flux machine |
| 02/21/2001 | CN1062387C Permanently excited transverse flux machine and method of producing the same |
| 02/21/2001 | CN1062386C Multiphase electric machine and its manufacturing method |
| 02/20/2001 | USRE37058 Disk storage device having contamination seals |
| 02/20/2001 | US6191561 Variable output rotary power generator |
| 02/20/2001 | US6191517 Brushless synchronous rotary electrical machine |
| 02/20/2001 | CA2164745C Power-generating electric motor |
| 02/15/2001 | WO2001011755A1 Electric axial flow machine |
| 02/15/2001 | WO2001010280A1 Suction assembly |
| 02/15/2001 | DE10002086A1 Motor with a magnetic bearing for handling external magnetic force includes a base plate with a bearing seating, a stator fastened on the base plate and a rotor blade with a rotating shaft turned by a generated magnetic force. |
| 02/14/2001 | EP1076411A1 Electricity production device |
| 02/14/2001 | EP1076402A2 A permanent magnet electric motor |