Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
09/2005
09/14/2005CN2726201Y Rare-earth permanent magnetic stabilized voltage sinle-phase synchronous generator
09/14/2005CN1667923A Rare-earth permanent-magnet single-phase synchronous generator with high voltage stabilizing accuracy
09/14/2005CN1667922A Ac motor having stator windings formed as loop coils, and control apparatus for the motor
09/14/2005CN1667921A Stator of brushless direct current electric motor and its manufacturing method
09/13/2005US6943985 Spindle motor and hard disk drive
09/13/2005US6943479 Stator for an electrical rotating machine
09/13/2005US6943478 Brushless permanent magnet wheel motor with variable axial rotor/stator alignment
09/13/2005US6943476 Magneto generator for self-powered apparatuses
09/13/2005US6943475 Permanent magnet motor for driving a fan
09/13/2005US6943473 Electric rotating machine
09/13/2005US6943459 Mobile electrical power source
09/13/2005US6941637 forming and heat treating an alloy on a substrate by a physical deposition; rare earth elements, boron, iron or its alloy partly substituted by cobalt
09/09/2005WO2005083879A1 Motor and drive system of motor
09/09/2005WO2005083869A1 Stator, motor, coolant compressor, cooling device, motor designing method
09/09/2005WO2005081989A2 Armature with unitary coil and commutator
09/09/2005CA2557133A1 Armature with unitary coil and commutator
09/08/2005US20050194918 Motor and motor drive system
09/08/2005US20050194855 Axial gap rotating electrical machine
09/08/2005US20050194848 BLDC Motor
09/07/2005EP1571749A1 Dual phase symmetric motor with bipolar permanent magnet rotor
09/07/2005EP1570563A2 Bldc motor for washing machine
09/07/2005CN2723098Y Rare-earth permanent magnet generation type electric welder without maintenance
09/07/2005CN1666276A Non-recirculating conical fluid dynamic bearing for an electric motor
09/07/2005CN1665107A Bldc motor
09/07/2005CN1665106A Vehicle wall rotating center motor for vehicle wall rotating center electricity generating system
09/07/2005CN1665100A Stator of linear starting motor
09/07/2005CN1218458C Electric generator used for time-piece
09/07/2005CN1218457C Motor with eccentric weight for vibration generation and apparatus carrying said motor
09/06/2005US6940205 Permanent magnet synchronous motor
09/06/2005US6940204 Brushless motor and hermetic compressor assembly including the same motor
09/06/2005US6940200 Electric drive
09/06/2005US6940199 Permanent magnet rotor and brushless motor
09/06/2005US6939114 Dynamotor driven compressor and method for controlling the same
09/06/2005US6939047 Dynamic pressure bearing device
09/01/2005WO2005080113A1 Motor-driven wheel drive device
09/01/2005WO2005079524A2 Method and apparatus for converting human power to electrical power
09/01/2005US20050190998 Shield and sealing method for a hydrodynamic bearing
09/01/2005US20050189832 Electrical driving arrangement
09/01/2005DE102004007557A1 Hydrodynamic bearing system for spindle motor used in hard disk drive, comprises threads formed at circumference of outer bearing which is enclosed by sleeve, such that winding channel is formed between outer bearing and sleeve
09/01/2005CA2555673A1 Method and apparatus for converting human power to electrical power
08/2005
08/31/2005EP1569320A2 Interior rotor motor comprising embedded permanent magnets and method of determing the ratio of stator to rotor poles
08/31/2005CN2722496Y Permanent-magnet AC synchronous miniature hydro-generator
08/31/2005CN1663110A Brushless motor control utilizing independent phase parameters
08/31/2005CN1217470C Driving apparatus and light controller
08/31/2005CN1217468C Permanent-magnet synchronous motor
08/31/2005CN1217467C Dynamo set with iron core and mfg. method of such iron core
08/30/2005US6936948 Electric machine having an integrally continuous stator winding and stator slot bridges
08/30/2005US6936946 Rotor of electric rotating machine
08/30/2005US6936944 Spindle motor for hard disk drives
08/25/2005WO2005078908A1 Electric oscillatory machine
08/25/2005WO2005078896A1 Synchronous machine comprising delta-connected stator coils
08/25/2005WO2005078279A1 Motor-driven pump unit
08/25/2005WO2005077703A1 Electric drive system
08/25/2005US20050184842 Magnetic inertial force generator
08/25/2005US20050184690 Multiphase motors with single point sensing based commutation
08/25/2005US20050184689 Adaptive electric motors and generators providing improved performance and efficiency
08/25/2005US20050184617 Generator motor for vehicles
08/25/2005US20050184616 Armature with unitary coil and commutator
08/25/2005US20050184600 Actuator and bonding apparatus
08/24/2005EP1566876A1 Blushless dc motor and blushless dc motor controller
08/24/2005CN2720713Y Combined exciting rare-earth permanent magnet generator
08/24/2005CN1659768A Rotary permanent magnet electric motor with varying air gap between interfacing stator and rotor elements
08/24/2005CN1659767A Rotary electric motor having a plurality of skewed stator poles and/or rotor poles
08/24/2005CN1659766A Rotary electric motor having a plurality of shifted stator poles and/or rotor poles
08/24/2005CN1659765A Rotary permanent magnet electric motor having stator pole shoes of varying dimensions
08/24/2005CN1658480A Brushless motor
08/23/2005US6933646 Electric rotating machine and electromagnetic machine and apparatus
08/23/2005US6933644 Magnetic levitation motor
08/23/2005US6933621 Electrical power-generating device
08/18/2005WO2005076463A1 Vehicle
08/18/2005WO2005076462A1 Electrically driven vehicle
08/18/2005WO2005076441A1 Rotating electric machine and electrically driven vehicle
08/18/2005WO2005076440A1 Ipm rotating electric machine
08/18/2005WO2005076434A2 Electric actuator or electric generator device responsive to magnetic repulsion force
08/18/2005WO2005075284A2 Electricity generation for human powered vehicles
08/18/2005WO2005075234A2 Regenerative motor propulsion system
08/18/2005US20050180845 Miniature/micro-scale power generation system
08/18/2005US20050179339 Electromechanical assemblies using molecular-scale electrically conductive and mechanically flexible beams and methods for application of same
08/18/2005US20050179337 Axial gap electric rotary machine
08/18/2005US20050179336 Axial gap electric rotary machine
08/18/2005US20050179335 Brushless motor
08/18/2005US20050179334 Rotary electric apparatus with skew arrangement
08/18/2005DE29924786U1 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
08/18/2005DE10392878T5 Vierpol-Synchronmotor Four-pole synchronous motor
08/18/2005CA2555124A1 Ipm rotating electric machine
08/18/2005CA2554690A1 Regenerative motor propulsion system
08/17/2005EP1564873A1 Electric synchronous motor
08/17/2005EP1564866A1 Spherical bearing, electromotor and circulating pump
08/17/2005EP1563587A1 Drive device provided for operating adjusting devices in motor vehicles
08/17/2005EP1563586A1 Linear and rotory motors for moving a tool-carrying sleeve
08/17/2005EP1562461A1 Food processing apparatus including magnetic drive
08/17/2005EP1093684B1 Universal electric motor with variable air gap
08/17/2005CN1656551A Spindle motor
08/17/2005CN1656318A Dual-shaft vacuum pump
08/17/2005CN1215634C Brushless motor
08/16/2005US6931652 Spindle mortor for optical disk drive having a stator with upper tracks at different heights
08/16/2005US6930464 Driving circuit for improving starting of hybrid induction motor and method thereof
08/16/2005US6930433 Brushless electro-mechanical device
08/16/2005US6930424 Several phase for a stator of an alternator for a motor vehicle
08/16/2005US6930422 Multi-stage motor