Patents
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
11/2012
11/06/2012US8304950 Dynamoelectric machine
11/06/2012US8304948 Rotor structure for a permanent magnet electrical machine
11/06/2012US8303268 Rotary pump with a fixed shaft
11/01/2012US20120274185 Motor rotor and motor
11/01/2012US20120274167 Brushless dc motor having slotless stator
11/01/2012US20120274166 Permanent-magnet synchronous machine and a method for manufacturing and installing it
11/01/2012US20120274165 Rotor magnet, rotor, and rotor manufacturing method
10/2012
10/31/2012DE202012009690U1 Modulare elektrische Vorrichtung Modular electrical device
10/31/2012DE202012009689U1 Modulare elektrische Vorrichtung Modular electrical device
10/31/2012DE112011100218T5 Drehende Elektromaschine Rotating electrical machine
10/31/2012DE102004058046B4 Hochpolige permanenterregte Synchronmaschine mit Zahnspulen Multi-pole permanent magnet synchronous machine with tooth coils
10/31/2012CN202513796U Brushless motor and electrical device possessing the same
10/31/2012CN202513791U Brushless motor generator
10/31/2012CN202513790U Permanent magnet auxiliary synchronous reluctance motor and compressor comprising the same
10/31/2012CN202513789U Rare earth permanent magnet motor with axial dynamic stability
10/31/2012CN202513696U Tangential permanent magnet synchronous motor rotor structure
10/31/2012CN102761222A Permanent-magnet-aided synchronous reluctance motor, rotor of motor and mounting method of motor
10/31/2012CN102761221A Permanent magnet auxiliary synchronous reluctance motor and mounting method thereof
10/31/2012CN102761220A Magnet-embedded rotary motor
10/31/2012CN102761219A Rotating motor and rotor
10/31/2012CN102761218A Novel efficient power generator
10/31/2012CN102761217A Integral type steel magnet of high-performance permanent magnetic synchronous motor
10/31/2012CN102761202A Motor rotor and motor
10/31/2012CN102761185A Permanent-magnetic auxiliary synchronous reluctance motor and installation method of rotor and motor of reluctance motor
10/31/2012CN102761184A Permanent-magnetic auxiliary synchronous reluctance motor and installation method of rotor and motor of reluctance motor
10/31/2012CN102761183A Motor rotor and motor with motor rotor
10/31/2012CN102761182A Motor rotor and electromotor employing same
10/31/2012CN101874338B Flux shunt control rotary electric machine system
10/31/2012CN101730438B Radiating module with function of generating electricity
10/30/2012US8299736 Method of making a motor with reduced Cogging torque
10/30/2012US8299672 Flux-focused shaped permanent magnet, magnetic unit having the magnets, device having the magnetic units and method for asymmetrically focusing flux fields of permanent magnets
10/30/2012US8299659 Electric power generator apparatus
10/26/2012WO2012144386A1 Power generating device
10/25/2012US20120267976 Brushless direct-current motor having currentless stoppage
10/24/2012EP2515417A1 A synchronous permanent magnet machine
10/24/2012CN202503416U Concentration winding Permanent Magnet Synchronous Motor
10/24/2012CN202503380U Rotor of self-starting permanent-magnet synchronous motor
10/24/2012CN1945938B Method for making generator and generator
10/24/2012CN102751833A Totally-enclosed permanent-magnet synchronous traction motor with unequal air gaps, skewed pole shoes and tangential magnetic circuit
10/24/2012CN102751832A Embedded permanent magnet electric motor
10/24/2012CN102751831A A synchronous permanent magnet machine
10/24/2012CN102751799A Permanent magnet synchronous rotating electric machine and rotor core
10/24/2012CN101728914B Permanent magnet rotary motor and compressor using the same
10/24/2012CN101188374B Dual rotor electromagnetic machine control
10/23/2012US8294322 Rotating electrical machine
10/23/2012US8294320 Interior permanent magnet machine
10/23/2012US8294318 Electric motor and rotor for rotating electric machine
10/23/2012US8294317 Unidirectionally-energized brushless DC motor including AC voltage output winding and motor system
10/23/2012US8294290 Immersed magnet ring secured to radially outermost ends of hydraulic turbine blades and gap between rotor and stator filled with water
10/23/2012US8292506 Fluid dynamic bearing, motor, and recording-medium driving apparatus
10/18/2012WO2012142230A2 Air gap control systems and methods
10/18/2012WO2012141932A2 Flux focusing arrangement for permanent magnets, methods of fabricating such arrangements, and machines including such arrangements
10/18/2012WO2012139419A1 Wide speed-regulation permanent-magnet synchronous motor
10/18/2012WO2012139418A1 Permanent magnet synchronous motor with high torque density
10/18/2012US20120262022 Axial gap motor
10/18/2012US20120262021 Compact high power alternator
10/18/2012US20120262020 Flux focusing arrangement for permanent magnets, methods of fabricating such arrangements, and machines including such arrangements
10/18/2012US20120262019 Flux focusing arrangement for permanent magnets, methods of fabricating such arrangements, and machines including such arrangements
10/18/2012DE102011018539A1 Electrical machine assembly structure, has rotor arranged outside of annular stator, and structure similar to wheel mount or output flange for enabling decoupling with respect to transverse force between rotor system and flange
10/17/2012EP2510885A2 Surgical motor, surgical machine and method for producing a surgical motor
10/17/2012EP2510607A2 Electric machine
10/17/2012CN202495866U Permanent magnet synchronous motor capable of reducing cogging torque effect so as to improve motor efficiency
10/17/2012CN202495865U Horizontal permanent-magnetic variable-frequency three-phase synchronous motor
10/17/2012CN102738995A Rotary electric machine
10/17/2012CN102738994A Building-block-system wind driven generator
10/17/2012CN102738993A Internal-rotor intermediate-frequency permanent magnet generator device
10/17/2012CN102738992A Assembled mixed excitation generator
10/17/2012CN102738991A Permanent magnet generator of permanent magnet intermediate-frequency combined magnetic circuit
10/17/2012CN102738990A Transverse flux machine and vehicle
10/17/2012CN102738989A Three-phase brushless motor
10/17/2012CN102738924A Rotor, magnet motor and washing machine
10/16/2012US8288908 Reconfigurable inductive to synchronous motor
10/16/2012US8288907 Electric motor
10/16/2012US8288904 Devices and methods for mechanically coupling magnetic field induced motion
10/11/2012WO2012136576A1 Rotor
10/11/2012WO2012136575A1 Rotor
10/11/2012WO2012135964A1 Heavy duty mill
10/11/2012WO2012019864A3 Drive of a tail rotor of a helicopter
10/11/2012DE202012009275U1 Elektromechanisches Drehstellglied Electromechanical rotary actuator
10/11/2012CA2832025A1 Heavy duty mill
10/10/2012EP2509199A1 Rotor
10/10/2012EP2509198A1 Rotor
10/10/2012EP2508457A2 Thread supplier
10/10/2012EP2507894A2 Electric machine excited by permanent magnets
10/10/2012CN202488315U Permanent magnet generator for electric automobiles
10/10/2012CN202488314U Motor with critical-state structure
10/10/2012CN202483900U Water pump with match-use asynchronous start permanent magnet synchronous motor
10/10/2012CN1575537B A single phase synchronous AC motor
10/10/2012CN102723834A Permanent magnet synchronous motor
10/10/2012CN101976923B Hybrid excitation permanent magnet motor with secondary harmonic excitation
10/09/2012US8283828 Electric motor
10/09/2012US8283827 Over-molded liquid cooled three-stack motor
10/04/2012WO2012133164A1 In-vehicle motor unit
10/04/2012WO2012133073A1 Outer rotor motor
10/04/2012WO2012132850A1 Rotation and drive device and centrifugal pump device using same
10/04/2012US20120249035 Transverse Flux Machine and Vehicle
10/04/2012US20120248921 Rotary electric machine with armature magnetic reaction compensation
10/04/2012US20120248920 Rotor for electric rotating machine and method of manufacturing the same
10/04/2012US20120248918 Rotor for electric rotating machine and method of manufacturing the same
10/04/2012US20120248917 Stator and rotor-stator structures for electrodynamic machines
1 ... 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 ... 172