Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
12/2004
12/14/2004US6830239 Semi-frozen food product carbonator
12/13/2004CA2466745A1 Magneto generator for self-powered apparatuses
12/09/2004WO2004107542A1 A generating motor using magnetism’s vector
12/09/2004WO2004107541A1 Transversal flux machine
12/09/2004WO2004107540A1 Electric machine
12/09/2004WO2004107539A1 Electric machine with permanent magnetic rotor
12/09/2004WO2004107537A1 Systems and methods for manufacturing adaptive electric machines
12/09/2004WO2004107531A2 Rollers and roller motors
12/09/2004WO2004107530A1 Modular transverse flux motor with integrated brake
12/09/2004WO2004107529A1 Electric motor
12/09/2004WO2004004109A3 Electronically controlled electric motor
12/09/2004US20040245887 Brush-less motor using vernier structure
12/09/2004US20040245881 Motor
12/09/2004US20040245879 Efficient high-speed electric device using low-loss materials
12/09/2004US20040245878 Brushless direct-current motor of radial core type having a structure of double rotors and method for making the same
12/09/2004US20040245872 Inner rotor electric motor
12/09/2004US20040245867 Spindle motor for disk driving device
12/09/2004DE10325085B3 Transversalflussmaschine Transverse flux
12/09/2004CA2836087A1 Electrical machine with primary and secondary stator windings
12/09/2004CA2540228A1 Rollers and roller motors
12/09/2004CA2528430A1 Method, apparatus and system for controlling an electric machine
12/09/2004CA2524302A1 Electric machine with primary and secondary stator windings
12/08/2004EP1483821A1 Brushless permanent magnet motor or alternator with variable axial rotor/stator alignment to increase speed capability
12/08/2004CN2662525Y AC permanent-magnet synchronous servo motor
12/08/2004CN1554144A Wind power current generator
12/08/2004CN1179463C Rotor assembly for rotating machine and its fitting method
12/07/2004US6828710 Airgap armature
12/07/2004US6828702 Brushless DC drive
12/07/2004CA2388930C Polyphase transverse flux motor
12/02/2004WO2004105215A1 Generator having axially aligned stator poles and/or rotor poles
12/02/2004WO2004105213A2 Permanent magnet electric generator
12/02/2004US20040240614 Axial flux motor driven anode target for X-ray tube
12/02/2004US20040240104 Spindle motor with a welded disc clamp centering tube
12/02/2004US20040239210 Electrical assemblies using molecular-scale electrically conductive and mechanically flexible beams and methods for application of same
12/02/2004US20040239209 Flux impulse motor
12/02/2004US20040239207 Electronically-commutated electric motor comprising coils with parallel axes
12/02/2004US20040239203 Architecture for electric machine
12/02/2004US20040239202 Architecture for electric machine
12/02/2004US20040239200 Single phase synchronous ac motor
12/02/2004US20040239199 Dual-rotor, radial-flux, toroidally-wound, permanent-magnet machine
12/02/2004US20040239197 Brushless motor
12/02/2004DE10319081A1 Elektrodynamische Antriebsvorrichtung Electrodynamic drive device
12/02/2004CA2523014A1 Generator having axially aligned stator poles and/or rotor poles
12/01/2004EP1208631B1 Unipolar transverse flux machine
12/01/2004CN1551465A Flat rotor and motor comprising the same
12/01/2004CN1551462A Magnetic field type of rotary electric apparatus
12/01/2004CN1551452A Method of soldering FP coil and FP wiring board together, and motor
12/01/2004CN1178368C Motor
12/01/2004CN1178367C Universal electric motor with variable air gap
12/01/2004CN1178366C Stator of AC generator
12/01/2004CN1178362C Electric axial flow machine and method for manufacturing rotor therefor
11/2004
11/30/2004USRE38662 Disk storage device having a sealed bearing tube
11/30/2004US6826010 Spindle motor
11/25/2004WO2004102774A1 Dc motor
11/25/2004US20040232800 Compact and reliable structure of multi-rotor synchronous machine
11/25/2004US20040232796 Electric synchronous machine comprising a toroidal winding
11/25/2004US20040232794 Method and radial gap machine for high strength undiffused brushless operation
11/25/2004US20040232792 Generator
11/25/2004US20040232788 Synchronous electric motor, particularly for washing machine and similar household appliances with rotary drum cinematically connected to the motor through a belt and pulley link
11/25/2004US20040232786 Motor
11/25/2004US20040232704 Wind power generator
11/24/2004EP1480317A2 Electrical Machine of Axial Flux Type
11/24/2004EP1480311A2 Electric motor or generator
11/24/2004EP1020020B1 Method for the starting and steady-state supply of a permanent-magnet synchronous motor particularly for driving a hydraulic pump
11/24/2004CN2659014Y Hub power generator
11/24/2004CN2659013Y Single-phase three phase two-path equipower output generator main body structure
11/24/2004CN1549432A Axial gap brushless DC motor
11/23/2004US6822368 Rotary permanent magnet electric motor having stator pole shoes of varying dimensions
11/23/2004US6822359 Process for the production of a rotor, containing permanent magnets, of a synchronous machine, and rotor produced according to this process
11/23/2004US6822356 Electric rotary machine with stator armature including barrier walls
11/23/2004US6820728 Integrated retarder and accessory device
11/18/2004US20040227425 Permanent magnet electric generator
11/18/2004DE19954962B4 Spindelmotor für den Antrieb von Festplattenlaufwerken mit dichtender Kontaktierung für den Statorwicklungsanschluß Spindle motor for driving hard disk drives with sealing contact with the Statorwicklungsanschluß
11/17/2004EP1477605A1 Structure of driving unit in drum type washing machine
11/17/2004CN1547313A Mictomagnetism dual voltage medium frequency brushless synchronous generator
11/17/2004CN1176518C Small portable flat generator
11/17/2004CN1176517C Electric motor using oil blocking device for bearing
11/17/2004CN1176516C Inner rotor motor and magnetic disc using same
11/11/2004WO2004098029A1 Electrodynamic drive unit
11/11/2004WO2004098022A1 Improvements in electrical machines
11/11/2004WO2004097223A1 Turbomolecular vacuum pump
11/11/2004US20040222756 Electric motor
11/11/2004US20040222708 Electric oscillatory machine
11/10/2004EP1474860A1 Electric rotating machine
11/10/2004EP1048105B1 Electric motor with a rotor rotating around a stator
11/10/2004CN2655506Y Permanent magnetic synchronous generator
11/10/2004CN2655505Y Composite excitation rare-earth permanent magnetic synchronous generator
11/09/2004US6815864 AC generator
11/09/2004US6815859 Synchronous reluctance motor
11/09/2004US6815858 Permanent magnet rotating electric machine
11/09/2004US6815857 Electrical rotating machine having two rotors driven by means of compound current
11/09/2004US6815855 Motor and turbo-molecular pump
11/09/2004US6815849 Magneto generator
11/04/2004WO2004095680A1 Permanent magnet tubular homopolar linear motor
11/04/2004WO2004095679A1 Modular flux controllable permanent magnet dynamoelectric machine
11/04/2004US20040217667 Rotor assembly and stator assembly for an electrical machine
11/04/2004US20040217665 Electric motor, particularly an electronically commutated direct current motor
11/04/2004DE10297002T5 Integrierter Positionsresolver für hybride synchrone Elektromotoren Integrated position resolver for hybrid synchronous electric motors
11/03/2004EP1472771A1 High frequency motor or generator
11/03/2004CN1543042A Axial gap electronic motor