Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02K - Dynamo-electric machines › H02K 25 - Dc interrupter motors or generators
Patents for H02K 25 - Dc interrupter motors or generators (243)
08/1998
08/04/1998CA2131336C Magnetic rotating apparatus
07/1998
07/28/1998US5786645 Motor-generator using permanent magnets
07/08/1998EP0852421A1 Electrical machine
07/03/1998CA2225795A1 Electrical machine
01/1998
01/14/1998CN1037050C Magnetic rotating apparatus
10/1997
10/07/1997US5674169 Tunnel type or dragon-gate type processing system assembled with selected elements and its related interface means
08/1997
08/28/1997WO1997031421A1 Motor
07/1997
07/03/1997WO1997023728A1 Electromagnetic piston engine
07/03/1997WO1997023727A1 Motor
05/1997
05/22/1997WO1997018617A1 Method and apparatus for improving the efficiency of a permanent magnet motor
04/1997
04/22/1997US5623177 Electric motor with brushes slidable in response to centrifugal force
04/02/1997EP0766271A1 Magnetic attraction driving engine using permanent magnet
02/1997
02/25/1997US5606230 Direct current drive system
01/1997
01/14/1997US5594289 Magnetic rotating apparatus
12/1996
12/18/1996EP0696391B1 Motor-generator using permanent magnets
11/1996
11/27/1996EP0744814A2 Switched reluctance motor
09/1996
09/10/1996US5554903 Rotary electric machine
08/1996
08/28/1996EP0608424B1 Rotary electric machine
07/1996
07/09/1996US5534738 Motor having non-coaxial, synchronized rotors
06/1996
06/04/1996US5522653 Switched reluctance motor
05/1996
05/21/1996US5519267 Energy saving electromotive engine
03/1996
03/05/1996US5496102 Brake system
02/1996
02/14/1996EP0696391A1 Motor-generator using permanent magnets
12/1995
12/20/1995CN1113617A Improvement to electric motors
12/05/1995US5473227 Self-synchronous electrical motor
11/1995
11/08/1995CN1111413A Magnetic rotating apparatus
10/1995
10/31/1995US5463263 Permanent magnet control means
10/04/1995CN1109651A Middle and low speed energy saving dc motor
09/1995
09/06/1995EP0670622A1 Improvement to electric motors
09/05/1995CA2143929A1 Electric motors
04/1995
04/05/1995EP0647009A1 Magnetic rotating apparatus
04/05/1995CN1101163A Permanent magnet control means
03/1995
03/29/1995CN1100847A Electric motor
03/15/1995CN2192096Y Intermediate and slow speed energy-saving AC motor
11/1994
11/16/1994CN2183046Y Magnetic power machine
11/10/1994WO1994026018A1 Motor-generator using permanent magnets
11/08/1994US5363028 Circuit and method of driving a DC motor
10/1994
10/30/1994CA2095203A1 Motor-generator using permanent magnet
09/1994
09/08/1994DE4306327A1 Reluctance motor
08/1994
08/03/1994EP0608424A1 Rotary electric machine
04/1994
04/27/1994CN1086053A Mfg. method for magnetic field energy electricity generator
04/26/1994US5306996 AC/DC stepped drive system
04/19/1994US5304886 Printed circuit motor
02/1994
02/16/1994CN1082263A DC electric generator without commutator
12/1993
12/29/1993EP0576307A1 Autosynchronous motor and electric traction system using an autosynchronous motor
10/1993
10/19/1993US5254925 Permanent magnet control means
08/1993
08/05/1993WO1993015513A1 Permanent magnet control means
08/04/1993EP0553866A2 Permanent magnet control means
08/03/1993US5233251 Electric motor with non-radial magnetic drive system
08/01/1993CA2088090A1 Permanent magnet control means
07/1993
07/13/1993US5227684 Revolving field electric motor
05/1993
05/13/1993WO1993008999A1 Motor-wheel
04/1993
04/29/1993WO1993008635A1 Rotary electric machine
04/29/1993WO1993008634A1 Rotary electric machine
12/1992
12/09/1992EP0507967A4 Motor-wheel of a transport vehicle
12/01/1992US5168201 Shifting-field type permanent-magnet motor
11/1992
11/17/1992US5164623 Independent-drive wheel for a wheel-mounted vehicle
10/1992
10/14/1992EP0507967A1 Motor-wheel of a transport vehicle
10/06/1992US5153473 For translating electrical energy into mechanical output
05/1992
05/20/1992CN1061306A Two-stroke statorless induction motor
05/01/1992WO1992007728A1 Motor-wheel of a transport vehicle
05/01/1992CA2072759A1 Motorized wheel for vehicle
04/1992
04/14/1992US5105111 Electrical machine especially a D-C motor
04/01/1992EP0463168A4 Motor-wheel for a vehicle
03/1992
03/03/1992US5092195 Balancers
01/1992
01/02/1992EP0463168A1 Motor-wheel for a vehicle
12/1991
12/27/1991EP0462340A1 Direct current motor
07/1991
07/23/1991US5034670 Control circuit for electromagnetic actuator
04/1991
04/17/1991EP0422539A1 Electrical machine with a rotor and a stator
04/16/1991US5008576 Magnetizing type induction motor
04/04/1991WO1991004603A1 Improved d.c. motor
03/1991
03/02/1991WO1991003385A1 Motor-wheel for a vehicle
03/02/1991CA2039709A1 Independent-drive wheel for a wheel-mounted vehicle
11/1990
11/01/1990WO1990013169A1 Electric motor
10/1990
10/16/1990US4962583 Tunnel type or dragon-gate type processing system assembled with selected elements and its related interface means
09/1990
09/12/1990CN2062131U Intermitternt electromagentic driven rotating device
08/1990
08/28/1990US4951514 Dual gyroscopic stabilizer
08/14/1990US4949023 Direct current machine with switchable stator windings
06/1990
06/07/1990DE3841028A1 Five-phase synchronous motor with flat airgaps
03/1990
03/13/1990US4908540 Electric generator for vehicles
01/1990
01/10/1990EP0350180A1 Balancers
10/1989
10/18/1989CN1036486A Rectifier-free pulsing dc motor and its derivative motors
09/1989
09/21/1989DE3807377A1 Improved DC motor
08/1989
08/15/1989US4857789 Rotary-type electromagnetic actuator for toys
04/1989
04/26/1989CN2036724U Electromagnetically driven device
04/05/1989EP0310223A1 Magnet composition
04/1988
04/28/1988DE3636376A1 Rotating magnet motor
02/1988
02/10/1988EP0255736A1 Automatic tool exchange apparatus
01/1988
01/07/1988EP0251350A2 Electric motor
10/1987
10/20/1987US4701655 D.C. machine, with mechanical and electrical connections among collector segments
02/1987
02/10/1987US4642534 Magnetic driven motor
01/1987
01/14/1987EP0208125A1 Automatic tool exchange system for machine tools
01/14/1987EP0208124A2 Improvement in stepper motors
01/14/1987EP0208123A1 Printed-circuit motor
01/07/1987EP0207298A1 Stepper motor
12/1986
12/30/1986EP0205989A2 Power transmission and braking system
12/30/1986EP0205988A1 Improvements in machine tools
04/1986
04/02/1986EP0175978A1 Motor
02/1986
02/11/1986US4570092 Driving apparatus useful in a movable toy
02/04/1986US4568847 Collector-type D.C. machine with improved connections among collector segments and coils
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