H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet

Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
12/1997
12/16/1997	US5698915 Spindle motor
12/16/1997	CA2036911C Energization coil device, a method of making such a device and an electromagnetic micromotor fitted therewith
12/10/1997	EP0812058A2 Generating system including generator having permanent magnet
12/10/1997	EP0812050A1 Electric motor
12/10/1997	EP0685121A4 Field weakening for a doubly salient motor with stator permanent magnets.
12/10/1997	CN1167547A Generator/motor
12/10/1997	CN1167358A Electric motor
12/09/1997	US5696419 High-efficiency electric power generator
12/04/1997	WO1997045945A1 Motor
12/04/1997	WO1997045944A1 A self-starting brushless electric motor
12/04/1997	WO1997045943A1 A self-starting brushless electric motor
12/04/1997	WO1997045316A1 Moving apparatus with drive power assisting device and movement controlling method
12/03/1997	EP0809588A1 Powerplant for wheeled vehicles
12/02/1997	US5693995 Hybrid alternator
12/02/1997	US5693250 Plurality of magnetic field carrying particles molded and retained in fixed shape by insulating binding agent, having grain domain alignment parallel to preferred direction, providing high direct axis to quadrature axis reactance ratio
11/1997
11/27/1997	WO1997044880A1 Interlocking segmented coil array
11/26/1997	EP0809343A1 Synchronous machine excited by permanent magnets
11/26/1997	CN2269023Y Small size synchronous motor with transmission
11/26/1997	CN1166073A Two-phase unipolar drive type brushless DC motor
11/25/1997	US5691683 Multi-pole composite magnet
11/20/1997	WO1997030308A3 Safety device
11/19/1997	EP0742969A4 Motor including embedded permanent magnet-rotor
11/19/1997	EP0712544A4 Electromagnetic machine with permanent magnet rotor
11/19/1997	CN2268338Y High-performance permanent-magnet constant-voltage generator
11/18/1997	US5689166 Method and apparatus for controlling hybrid excitation type permanent magnet synchronous motor
11/18/1997	US5689147 Brushless motor
11/18/1997	CA2064182C Shifted pole single phase variable reluctance motor
11/13/1997	WO1997042700A1 Low-speed synchronous ac motor of axial serial phase-type
11/13/1997	WO1997042699A1 Low-speed synchronous ac motor of insert sheets-type
11/12/1997	EP0806832A1 Generator/motor
11/12/1997	CN1164938A Motor with motor parts which are movable relative to one another
11/11/1997	US5686771 Electric motor
11/06/1997	DE19614862A1 Transversalflußmaschine mit Permanenterregung Transverse flux machine with permanent magnet excitation
11/05/1997	EP0804829A2 Brushless dc motors
11/05/1997	EP0804828A1 D.c. brushless motor with minimized net radial forces and low cogging torque
11/05/1997	CN2266838Y Flat type stator AC single phase permanent-magnet generator
11/05/1997	CN2266837Y Permanent-magnet AC generator
11/05/1997	CN1164142A Electromecanic transducer having multipolar permanent magnets
11/05/1997	CN1164141A Hub dynamo for use in bicycle
11/04/1997	US5684352 Permanent magnet field-type rotating machine
11/04/1997	US5684351 Electrical driving device comprising more than one permanent-magnet-excited rotor and a shaver comprising said driving device
10/1997
10/30/1997	DE19712818A1 Wheel hub dynamo for bicycle
10/29/1997	EP0803963A1 Two-phase unipolar driving brushless DC motor
10/29/1997	CN2266224Y End-face relative motion electric generator
10/29/1997	CN1163682A Permanent magnet synchronous motor
10/28/1997	US5682088 Brushless D.C. motor having a predefined minimum time lapse between successive commutation switchings
10/28/1997	US5682073 Hybrid excitation type permanent magnet synchronous motor
10/23/1997	WO1997039515A1 Electric machine
10/22/1997	EP0802612A2 Claw pole type synchronous motor
10/22/1997	EP0801837A2 Light weight genset
10/22/1997	CN1162861A AC generator for vehicle
10/21/1997	US5679995 Permanent magnet rotor of brushless motor
10/21/1997	US5679990 Motor
10/15/1997	EP0801455A2 Two-phase unipolar drive type brushless dc motor
10/14/1997	US5677587 Small motor having drive magnet with magnetization pattern for biasing rotor shaft
10/14/1997	US5677580 Transversal-flux permanent magnet motor
10/14/1997	US5677579 Electric micromotor with a slotted conductive body as the stator with insulating reinforcement in the slots thereof
10/09/1997	WO1997037423A2 Turbomachine, especially for a domestic appliance
10/09/1997	WO1997028596A3 Energy storage flywheel apparatus and methods
10/08/1997	EP0799519A1 Transverse flux machine
10/08/1997	EP0642210B1 Ultra-high speed brushless dc motor
10/08/1997	CN2264439Y Axial phase-tandem a.c low speed synchronous motor
10/08/1997	CN2264438Y Sheet inserting a.c low speed synchronous motor
10/08/1997	CN1161391A Driving device for washing machine of front loading type
10/07/1997	US5675226 Control circuit for an synchronous electric motor of the brushless type
10/07/1997	US5675206 Slim-line brushless motor
10/07/1997	US5675203 Motor/generator arrangement having a movable common stator
10/07/1997	US5675200 Dynamic pressure air bearing type electric motor with air circulating arrangement
10/07/1997	US5675196 High speed ten pole/twelve slot D.C. brushless motor with minimized net radial force and low cogging torque
10/01/1997	CN2263845Y End face relative type motor car generator
10/01/1997	CN1036038C 同步电动机 Synchronous motor
09/1997
09/30/1997	US5672926 Hybrid-energized electric machine
09/30/1997	US5672925 Doubly salient variable reluctance machine with stationary permanent magnets or auxiliary field windings
09/24/1997	CN1160460A Controller for permanent magnet generator
09/23/1997	US5670852 Pump motor and motor control
09/23/1997	US5670837 Disk drive spindle motor having split windings for each phase
09/23/1997	US5670836 In a dynamoelectric machine
09/23/1997	US5670835 Cooling apparatus for an AC generator
09/17/1997	EP0795229A1 Commutatorless polyphase ac electric machine
09/17/1997	CN1159672A Multi-rotator electromechanical converter and method for control it
09/17/1997	CN1035913C Electrically motorized wheel assembly
09/16/1997	US5668427 Spindle motor having recessed stator coils
09/16/1997	US5668425 Startup device for the rotor of a permanent-magnet synchronous motor
09/16/1997	US5668423 For generating physical vibration in response to an incoming call
09/16/1997	US5667233 Bicycle with a change-speed gear arrangement
09/10/1997	EP0793870A2 Permanent magnet synchronous motor
09/09/1997	US5666011 Miniature fan motor assembly
09/04/1997	WO1997032386A1 Flywheel energy accumulator
09/04/1997	WO1997018022A3 Apparatus with a plurality of electric-motor driven centrifuges
09/03/1997	EP0746898A4 Discoidal dynamo-electric machine
09/02/1997	US5663605 Rotating electrical machine with electromagnetic and permanent magnet excitation
08/1997
08/28/1997	WO1997031422A1 Motor
08/27/1997	EP0792004A1 Induction generator with single pair of opposing magnetic poles
08/26/1997	US5661351 Disc drive having a brushless DC drive motor with an external rotor for supporting one or more storage discs
08/21/1997	WO1997030308A2 Safety device
08/21/1997	DE19605662A1 Stator winding structure esp. for operating two-phase electric motor from three-phase power source
08/20/1997	EP0790696A1 New structure generator
08/20/1997	EP0790695A1 Hybrid dynamo-electric variable reluctance machine and manufacturing and calculation method
08/20/1997	EP0790540A1 Electromagnetic transductor with multipolar permanent magnets
08/20/1997	CN2260400Y Permanent magnetic electric pump for washig use

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