Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
01/2000
01/19/2000CN1241834A 磁盘转动机构 A disk rotating mechanism
01/18/2000US6016237 Shaft construction of a disk drive
01/13/2000WO1999056380A3 Rotary electrical machines
01/12/2000EP0971475A1 Stator of single-phase electric motor with four poles having parallel axes
01/12/2000CN2358631Y High power magnetic generator for motorcycle
01/12/2000CN2358630Y High efficiency high starting torque permasyn motor
01/11/2000US6013967 Synchronous machine, in particular generator for motor vehicle
01/11/2000US6013965 Motor structure
01/11/2000US6013963 High efficiency electro-mechanical energy conversion device
01/11/2000US6013962 Permanent magnet motor with specific magnets and magnetic circuit arrangement
01/11/2000CA2067022C Synchronous motor with two permanent magnet rotor portions
01/06/2000WO2000001058A1 Rotors utilizing a stepped skew
01/06/2000CA2334319A1 Rotors utilizing a stepped skew
01/05/2000DE19829442A1 Motor, especially AC motor, for use as starter and generator in car
01/05/2000CN1240539A Electric motor
01/04/2000US6011343 Rotor of rotary machine having claw poles and auxiliary permanent magnets
01/04/2000US6011337 Double-sided, non-iron core, brushless, axial magnetic field permanent-magnet type DC motor
01/04/2000US6011333 Vibrator motor having nonmagnetic armature cores
12/1999
12/29/1999WO1999067871A1 Rotating machine, such as motor vehicle alternator
12/29/1999EP0967710A2 Light weight genset
12/29/1999CN1240059A Electric machine
12/28/1999US6006416 Method of mounting permanent magnet
12/23/1999WO1999066627A1 Universal electric motor with variable air gap
12/23/1999CA2335151A1 Universal electric motor with variable air gap
12/22/1999EP0966004A2 Propulsion magnetic field generator and energy converter having a propulsion magnetic field generator
12/22/1999EP0965163A1 Electronically switched d.c. motor
12/21/1999US6005747 High capacity disk drive with two stator windings
12/21/1999US6005324 Brushless motor and method of manufacturing a stator of the brushless motor
12/21/1999US6005320 Two-phase brushless direct-current motor having single hall effect device
12/21/1999US6005318 Motor including embedded permanent-magnet rotor and method for making the same
12/21/1999US6005313 Spindle motor
12/16/1999WO1999065134A1 Direct drive inside-out brushless roller motor
12/16/1999WO1999065133A1 Axial field electric machine
12/15/1999EP0964510A2 Light weigth genset
12/15/1999EP0964509A2 Light weight genset
12/15/1999CN2354292Y Disc-type ac. motor
12/15/1999CN1238589A Inductive luminous device
12/14/1999US6002192 Drive for transportation facilities
12/14/1999US6002189 Stator core and wire winding method for the same
12/14/1999US6002185 Molded motor
12/09/1999WO1999063646A1 Three-phase direct current motor with electronic commutation and high motor performance
12/09/1999DE19825277A1 Transverse flux machine
12/08/1999EP0962041A2 Electrical machine with a single pole winding
12/08/1999EP0962040A2 Rotor assembly for a rotating machine
12/07/1999US5998975 Electric power supplying apparatus
12/07/1999US5998905 Slotless electric motor or transducer and method for making same
12/02/1999WO1999062165A1 Electric motor of the electronic commutation type for applications with a feeder line
12/02/1999DE19824042A1 Dreiphasengleichstrommotor mit elektronischer Kommutierung und hoher Motorleistung Three-phase direct current motor with electronic commutation and high engine power
12/02/1999CA2298604A1 Electric motor of the electronic commutation type for applications with a feeder line
12/01/1999EP0961391A1 Three-phase DC motor with electronic commutation and high performance
12/01/1999EP0960465A1 An electric machine
12/01/1999CN2351906Y Hub electric motor
12/01/1999CN1237026A Electric motor
11/1999
11/30/1999US5994814 Reluctance motor having magnetic poles formed by laminating steel plates in circumferential direction
11/30/1999US5994802 AC generator for vehicle
11/25/1999WO1999060692A2 Magnetic circuit for rotating apparatus
11/25/1999DE19920309A1 Electric multi-phase AC motor
11/25/1999CA2332423A1 Magnetic circuit for rotating apparatus
11/24/1999EP0957897A1 Antiperspirant or deodorant compositions
11/24/1999EP0693234B1 Brushless d.c. motor
11/23/1999US5990593 Permanent magnet rotor type electric motor
11/23/1999US5990592 Magnets containing-type alternating-current motor and method of designing the same
11/23/1999US5990591 Permanent magnet type synchronous motor
11/23/1999US5990590 Versatile AC dynamo-electric machine
11/18/1999WO1999059233A1 Synchronous magneto
11/16/1999US5986379 Motor with external rotor
11/16/1999US5986378 Electric motor and generator having amorphous core pieces being individually accommodated in a dielectric housing
11/16/1999US5986376 Brushless DC motors
11/11/1999WO1999057796A1 Motor
11/11/1999WO1999049115A3 Device for forming a gauze edge using a motor comprising a rotor and a stator for housing said rotor
11/11/1999WO1999049114A3 Device for forming a doup edge with an electromotor comprising a rotor and a stator for accommodating the rotor
11/10/1999EP0954895A1 Improvements in high speed electric motors
11/10/1999CN2348526Y Improved rim motor
11/09/1999US5982074 Axial field motor/generator
11/09/1999US5982070 Electric motor or generator having amorphous core pieces being individually accomodated in a dielectric housing
11/09/1999US5982069 Axial gap machine phase coil having tapered conductors with increasing width in radial direction
11/09/1999US5982067 Brushless DC motor having reduced torque ripple for electric power steering
11/09/1999US5982059 Electric generator and lighting assembly
11/09/1999US5982057 Molded motor
11/04/1999WO1999056380A2 Rotary electrical machines
11/04/1999WO1999056378A1 Axial air gap modular motor
11/04/1999CA2330113A1 Rotary electrical machines
11/03/1999CN2347307Y Distributing-winding permanent-magnet flywheel generator
11/03/1999CN1234141A Electrical machine with single pole winding
11/02/1999US5977684 Rotating machine configurable as true DC generator or motor
11/02/1999US5977648 Hydraulically driven low reactance, large air gap permanent magnet generator and voltage regulation system for use therewith
10/1999
10/28/1999WO1999054990A1 Improved electric motor
10/28/1999DE19818035A1 Transversalflußmaschine Transverse flux
10/28/1999DE19813155C1 Mehrsträngige Transversalflußmaschine Multi-strand transverse flux
10/27/1999EP0952660A2 Electric motor
10/27/1999EP0952659A2 Brushless axial airgap electric motor
10/27/1999EP0952658A2 Electric motor of the electronic commutation type
10/27/1999EP0952657A2 Transversal flux machine
10/27/1999CN1233103A Motor
10/27/1999CN1232881A Thermally conductive spindle support shaft
10/27/1999CN1046066C Motor apparatus
10/27/1999CN1046064C Miniature motor
10/27/1999CN1046063C Constant-voltage permanent-magnet generator and its voltage-stabilizing method
10/27/1999CN1046062C Miniature motor
10/26/1999US5973436 Electrical machine