Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
06/2001
06/19/2001US6247548 Moving apparatus with drive power assisting device and movement controlling method
06/14/2001WO2001043261A1 Motor assembled by using motor-base-holder and method of assembling the same motor
06/14/2001WO2001042649A2 Hybrid brushless electric machine
06/14/2001WO2001042079A1 Electromagnetic machine for a vehicle, especially a bicycle
06/13/2001EP1107435A1 Compatible disk drive motor
06/13/2001EP1107434A2 Motor/generator
06/13/2001EP1107426A2 Stator of an AC generator
06/13/2001EP0903001A4 Interlocking segmented coil array
06/13/2001CN1299528A Motor vehicle alternator rotor with interposed permanent magnets
06/13/2001CN1299177A Electric generator used for time-piece
06/13/2001CN1299176A Stator of ac generator
06/12/2001US6246561 Methods for controlling the path of magnetic flux from a permanent magnet and devices incorporating the same
06/12/2001US6246147 Device for forming a leno selvedge with an electric motor comprising a rotor and a stator accomodating the rotor
06/12/2001US6246139 Spindle motor and method of formation
06/12/2001US6246137 Spindle motor
06/07/2001US20010002892 Magnetic drive blender
06/07/2001US20010002776 Wiring arrangement for a rotating electrical machine
06/07/2001DE19952080A1 3-phase electric motor designed as permanently excited synchronous motor for model flying competitions, has stator winding with basic tubular fixed winding body lying inside air gap
06/06/2001CN1298220A Ultrahigh speed permanent-magnetic rotary electric machine system
06/05/2001US6242834 Brushless polyphase machine, in particular motor vehicle alternator
06/05/2001US6242828 Flywheel-rotor apparatus
05/2001
05/31/2001WO2001039355A1 Permanent magnet type ac low-velocity synchronous motor
05/31/2001WO2001039216A1 Isotropic compound and method for preparation thereof, isotropic bonded magnet, rotary machine and magnet roll
05/31/2001WO2001038741A1 Fluid pump with a motor housing and a method for the production of a motor housing
05/31/2001US20010002188 Motor for compatible disk device
05/31/2001US20010002095 Multi-phase electric rotating machine having toroidal coils and using method thereof
05/31/2001DE19954962A1 Spindle motor for hard disc drive, has sealed contacting of stator winding connection, and flexible circuit board with approximately all-round sealing surface for elastic sealing element
05/30/2001EP1104086A1 Very high speed permanent magnet type electric rotating machine system
05/30/2001EP1104077A2 Permanent magnet rotary electric motor
05/30/2001EP1103409A2 Controller and control method for motor/generator
05/30/2001CN2432723Y Tubular mini-flow electric generator
05/30/2001CN1297603A Brushless motor
05/30/2001CN1297602A Device for forming doup edge with electromotor comprising rotor and stator for accommodating rotor
05/30/2001CN1297275A Wheel-type electric generator
05/30/2001CN1297274A Permanent-magnet rotary motor
05/29/2001US6239552 Discharge lamp lighting apparatus driven by internal combustion engine
05/29/2001US6239532 Motor with external rotor
05/29/2001US6237213 Process of manufacturing an electrical rotating actuator such as for use in weaving looms and weaving systems
05/25/2001WO2001037403A1 Hydraulic turbogenerator
05/25/2001WO2001037401A1 Brushless motor
05/24/2001US20010001528 Synchronous machine with a hlder to support permanent magnets in a claw pole rotor
05/23/2001EP1102385A2 Rotary electric machine for vehicle
05/23/2001EP1102382A1 Flywheel-motor apparatus
05/23/2001EP1101946A2 Crossing spiral compressor/pump
05/23/2001EP1101272A1 Rotors utilizing a stepped skew
05/23/2001EP0832511B1 Electric machine
05/23/2001CN1296662A Rotor control for synchronous ac motor
05/22/2001US6236135 Toroidal core type actuator with phase separator
05/22/2001US6236134 Hybrid alternator
05/22/2001US6236133 Three-phase brushless motor
05/22/2001US6236131 Unilateral transverse flux machine with a multi-strand design
05/22/2001US6236129 Motor with hydrodynamic bearing and heat sink device employing this motor
05/22/2001US6236123 Generator providing alternating current which has a selected frequency
05/19/2001CA2317855A1 Crossing spiral compressor/pump
05/17/2001WO2001010001A3 Demagnetization-protected permanent magnet ship propulsion system
05/17/2001WO1999025057A8 Electric motor for a motor-wheel
05/17/2001DE19954964A1 Hydraulischer Turbinen-Generator The hydraulic turbine generator
05/17/2001DE19954592A1 Electric motor arrangement for rotating a shaft e.g. for vehicle valve control, has pivot arm on shaft, and magnetic circuit containing magnets of two types, at least one of which is an electromagnet
05/17/2001DE10049620A1 Electrical machine e.g. generator, has optional arrangement of permanent magnets or/and electromagnets and possibly circuits, and magnetic force compensation to exert little or no influence on relative motion
05/16/2001EP1100188A2 Electric machine with permanent magnet poles and controllable rotor flux
05/16/2001EP1099990A1 Generator for timepiece
05/16/2001EP0879496B1 Energy storage flywheel apparatus and methods
05/16/2001CN2430809Y AC generating and welding two purpose machine
05/16/2001CN2430808Y Phase position control motor
05/16/2001CN1295369A Rotor of magnetic generator for internal combustion engine
05/15/2001US6232696 Vacuum generating apparatus with multiple rotors
05/15/2001US6232690 Electronically commutated DC
05/15/2001US6232672 Hand-held work tool with a generator
05/10/2001WO2001033700A1 An electricity generating device for a vehicle
05/09/2001CN1294770A Electric motor or generator
05/09/2001CN1065685C Motor with motor parts which are movable relative to one another
05/09/2001CN1065684C Hybrid alternator having voltage regulator
05/08/2001US6229239 Electrical machine with double excitation
05/08/2001US6229238 Transversal flux machine
05/08/2001US6229237 Spindle motor
05/08/2001CA2071117C Method of producing electrical energy by means of generators and use of the method in vehicles with anti-skid systems
05/03/2001WO2001031766A1 Polyphase transverse flux motor
05/03/2001US20010000722 Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor
05/02/2001EP1095441A1 Brushless synchronous rotary electrical machine
05/02/2001CN2428910Y Rotor electromagnetic inductive generating-conducting device
05/02/2001CN1293482A Three phase permanent magneto generator
05/02/2001CN1293276A Driving assembly structure in drum type washing machine
05/01/2001US6225727 Rotor for dynamo-electric machine and method for magnetizing magnetic bodies thereof
05/01/2001US6225722 Electric machine with a rotor that rotates around a stator
04/2001
04/26/2001WO2001029956A1 Low inductance electrical machine for flywheel energy storage
04/26/2001WO2001029955A1 Low inductance electrical machine
04/26/2001DE19948171A1 Elektrokraftstoffpumpe sowie Pumpenwerk für eine Kraftstoffpumpe Electric fuel pump and pumping station for a fuel pump
04/26/2001DE10033577A1 Small brushless motor e.g. for rotating medical cutting or grinding instrument, comprises rear support for covering rear opening of outer housing and conducting connections penetrating outwards from rear side of coil unit
04/26/2001CA2388048A1 Low inductance electrical machine
04/26/2001CA2387918A1 Low inductance electrical machine for flywheel energy storage
04/25/2001EP1094233A1 Dynamic pressure bearing and spindle motor with the bearing
04/25/2001EP1094145A2 Structure of driving unit in drum type washing machine
04/25/2001EP1093684A1 Universal electric motor with variable air gap
04/25/2001EP1093682A1 Axial field electric machine
04/25/2001CN2427926Y Ring-like magnetic motor for motor cycle
04/25/2001CN1292942A Electrical miniature motor
04/25/2001CN1292597A Electric machinery
04/25/2001CN1292591A Iron core of electric machine, and electric machine using said iron core
04/24/2001US6222331 Dynamo-electric machines and control and operating system for the same
04/24/2001US6222288 Electric motor