Patents for H02K 19 - Synchronous motors or generators (6,576)
09/1994
09/29/1994WO1994022204A1 Polyphase brushless dc and ac synchronous machines
09/27/1994US5350991 Magnetic induction method and magnetic circuit of rotator for generating mechanical and electric power
09/21/1994CN1025976C Three-speed mixed phase polar-changing winding connecting method and winding therefor
09/20/1994US5349257 Permanent magnet generator with a position sensing coil
09/15/1994WO1994021031A1 Brushless synchronous machine
09/15/1994CA2157498A1 Brushless synchronous machine
09/14/1994EP0444203B1 Three-phase reluctance motor
09/08/1994DE4306327A1 Reluctance motor
09/07/1994EP0614263A1 Single-phase reluctance motor capable of starting in a desired rotational direction
09/07/1994EP0614262A1 Reluctance motor
09/06/1994US5345132 Vehicular alternating current dynamo
09/06/1994US5345131 Electric motor with combined permanent and electromagnets
09/06/1994US5345125 Miniature, modular, plug-in rotating switch
09/01/1994WO1994019864A1 Doubly ac-excited variable-speed reluctance motor
09/01/1994WO1994019855A1 Field weakening for a doubly salient motor with stator permanent magnets
09/01/1994CA2154491A1 Field weakening for a doubly salient motor with stator permanent magnets
08/1994
08/30/1994US5343105 AC generator for vehicles
08/23/1994US5341076 High-speed reluctance type motor
08/18/1994WO1994018741A1 Multiphase electric machine with offset multipolar electric pole units
08/17/1994EP0610296A1 System for supporting conductors for use in a dynamoelectric machine
08/11/1994DE4302807A1 Multiphase electrical machine having electrical pole units which are arranged offset and are structurally identical
08/10/1994EP0609800A1 Switched reluctance motor as traction motor for electric drive vehicle
08/10/1994EP0609410A1 Electric machine
08/04/1994DE4311274A1 Switched reluctance traction motor
08/02/1994US5334899 Polyphase brushless DC and AC synchronous machines
07/1994
07/27/1994EP0540550B1 Dynamo-electric machine having cross-flux sectors
07/26/1994US5331819 Superconducting rotating apparatus
07/19/1994US5331246 Coil assembly retainer for electric motor
07/19/1994US5331231 Rectifier device for three-phase generators in vehicles
07/13/1994CN2171946Y Pneumatic machinery kind load pole changing electrical machinery with adjustable coil
07/06/1994EP0605247A2 Coil assembly retainer for electric motor
07/06/1994EP0604646A1 Electric machine
07/06/1994EP0604627A1 Electric machine
07/06/1994EP0604503A1 Cooling system for electric motors.
07/05/1994US5327034 Electrically motorized wheel assembly
07/05/1994US5327033 Micromechanical magnetic devices
06/1994
06/16/1994DE4241522A1 Reluctance motor with magnetic circuit completed through unwound rotor - uses cruciform, beam-shaped, star-shaped or disc-shaped rotor with opposite magnetic poles excited at its ends by stator windings
06/15/1994EP0601826A1 Generator rotor collector terminal stud hydrogen seal
06/15/1994EP0601818A1 Switched reluctance motors
06/10/1994CA2103421A1 Generator rotor collector terminal stud hydrogen seal
06/08/1994EP0600110A1 Magnetic speed reducer
05/1994
05/24/1994US5313698 Process for the manufacture of the stator of an electrical machine
05/11/1994DE4334932A1 Rotary electric machine with three=phase star and delta stator coils - has grooved stator core into which star-connected two-part windings and delta-connected windings are embedded in succession
05/10/1994US5311121 Apparatus for measuring the electrical time constant of the quadrature-axis damper of a synchronous machine
05/10/1994US5311092 Lightweight high power electromagnetic transducer
05/10/1994US5311062 Transient-free synchronous electrical power machine
05/03/1994US5309089 Method of measuring unsaturated inductances of an equivalent circuit of a synchronous machine
04/1994
04/26/1994US5306977 Cooling rotor for an alternator mounted on vehicle
04/20/1994EP0431006B1 An electric motor
04/19/1994US5304881 Means for producing rotary motion
04/13/1994CN2162032Y Generator
03/1994
03/30/1994EP0506805B1 Power unit for vehicles
03/30/1994CN2160167Y Separately excited brushless synchronous ac generator
03/23/1994CN1084329A Non exciting, hidden polar and multiply speed three-phase a.c. synchronous motor
03/22/1994US5296778 For a motor vehicle
03/22/1994US5296773 Composite rotor for a synchronous reluctance machine
03/22/1994US5296770 Electric machine, preferably rotary current generator for vehicles
03/16/1994EP0587308A2 Regulator and brush holder assembly
03/15/1994US5294857 Synchronous machine having control coils for compensating mechanical oscillations of the rotor
03/15/1994US5294856 Shifted pole single phase variable reluctance motor
03/08/1994US5293089 Liquid-cooled electric generator
03/02/1994EP0584518A1 Induction-type motion sensor
02/1994
02/23/1994EP0583530A1 Electric motor
02/22/1994US5289107 Switched reluctance generator system with fault recovery capability
02/16/1994EP0583145A1 Insert moulded terminal for alternator
02/15/1994US5287518 Engine crankshaft variable reluctance alternator
02/09/1994EP0581841A1 Tubular turbine synchronous generator.
02/08/1994US5285124 Brushless induction synchronous motor with two stators
02/03/1994WO1994002986A1 Electric machine
02/03/1994WO1994002985A1 Electric machine
02/03/1994WO1994002984A1 Electric machine
02/03/1994DE4223831A1 Elektrisch erregte Transversalfluß-Maschine Electrically excited transverse flux machine
02/01/1994CA1326698C Modular electric motor
01/1994
01/27/1994DE4300440A1 Multiple track transversal flux machine with ring coils - has stator and rotor formed from several track-wise identical units to allow high rotor speed and/or large diameter
01/26/1994EP0580208A2 Method of producing magnetic rotor parts
01/20/1994WO1994001919A1 Fault-tolerant reluctance motor
01/20/1994WO1994001917A1 Electric motor-wheel
01/19/1994CN2153902Y Self-driving electromagnetic speed governing electric machine
01/18/1994US5280211 Motor and/or generator operating according to the reluctance principle
01/13/1994DE4222370A1 Fehlertoleranter Reluktanzmotor Fault-tolerant reluctance motor
01/12/1994EP0577843A1 Reluctance motor and rotor of high-speed reluctance motor
01/11/1994US5278482 Three-phase reluctance type motor
01/06/1994WO1994000910A1 Method and apparatus for operating a motor vehicle alternator
01/06/1994WO1994000905A1 Transient-free synchronous electrical power machine
01/06/1994CA2138981A1 Method and apparatus for operating a motor vehicle alternator
01/06/1994CA2122019A1 Transient-free synchronous electrical power machine
12/1993
12/29/1993EP0576307A1 Autosynchronous motor and electric traction system using an autosynchronous motor
12/28/1993US5274322 Alternating current generator for vehicle
12/22/1993CN2150667Y Three-phase generating DC electric welding machine
12/15/1993EP0574010A2 Electronically commutated motor controlled with direct-current pulses
12/14/1993US5270605 Three-phase alternator for a motor vehicle
12/14/1993US5270604 Tandem field alternator having an improved coil and slip ring connection and method of making the same
12/07/1993US5268605 Electrical field connection
12/01/1993CN2148434Y Electromagnetic energy source motor
11/1993
11/30/1993US5266861 Terminal stud in the rotor of an electric machine
11/30/1993US5266859 Skewing of pole laminations of a switched reluctance machine to reduce acoustic noise
11/30/1993US5266836 Method and apparatus for operating a motor vehicle alternator
11/24/1993EP0571314A2 Redundant switched reluctance motor
11/24/1993EP0570582A1 Multiple-stator synchronous induction motor
11/24/1993CN2147683Y Three-phase generating dc welding two-purpose machine
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