Patents
Patents for H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors (6,220)
12/1994
12/07/1994CN1096141A Miniature motor
11/1994
11/30/1994EP0626748A1 Miniature D.C. motor provided with rotation detector
11/29/1994US5369343 System and method for permanent magnet DC motor reversing
11/23/1994CN2183634Y High-voltage direct-current permanent small and special electric machine
11/22/1994US5367215 Magnetic pole stator DC motor assembly
11/15/1994US5365136 Brush for an electric motor having low sensitivity to vibrations
11/15/1994US5365134 DC magnetic motor assembly
11/10/1994WO1994026017A1 Armature core disk package with equalizers
11/10/1994DE4315404A1 Electric-motor drive for displacing equipment parts of a motor vehicle
11/09/1994CN1094868A Series-wound motor, in particular a universal motor, having a braking device
11/08/1994US5363005 Miniature motor
10/1994
10/25/1994US5358341 For an electric motor
10/19/1994EP0620632A1 A PMDC electric motor with a magnet spacer
10/19/1994EP0620363A1 Integration of combustor-turbine units and pressure processors by means of integral-gear
10/18/1994US5357159 Preventing sliding surface of commutator from being abnormally worn by contact with brushes
10/12/1994EP0619638A2 An electrical machine with a disk armature
10/12/1994CN2179659Y Electric cycling motor
10/05/1994EP0618663A1 Permanent magnet miniature motor, in particular closed-type motor
10/05/1994EP0618659A1 D.C. motor and gearbox drive unit, in particular for a motor vehicle window raising actuator
10/04/1994US5351439 Power window apparatus having improved safety device
09/1994
09/21/1994CN1092565A Motor with axle end cover formed closed circular magnetic circuit
09/15/1994WO1994021027A1 Inverse speed motor, especially a universal motor, with a braking device
09/14/1994EP0615331A1 A series electric motor particularly in the form of a universal motor with a braking device
09/14/1994EP0506691B1 Burner for motor vehicle heater
09/14/1994CN1092216A Multiple magnetic pole DC motors
09/13/1994CA2118899A1 Integration of combustor-turbine units and integral-gear pressure processors
09/07/1994CN1091864A Electromagnetically powered rotary engine apparatus and method
09/06/1994US5345124 Connecting cover for electric fuel pump
08/1994
08/31/1994EP0613228A1 Motor close circular magnetization cycle formed by revolving shaft end casing
08/25/1994DE4405515A1 System and method for reversing the polarity of permanent magnet DC motors
08/23/1994US5341057 Vibrator motor for a wireless silent alerting device
08/16/1994US5338995 Casing structure of a motor
08/09/1994US5336956 Brushless dynamo machine with novel armature construction
08/04/1994WO1994017301A2 Electric motor for ancilliaries in motor vehicles
08/03/1994EP0608916A2 Universal electric motor
08/03/1994EP0608424A1 Rotary electric machine
07/1994
07/28/1994DE4302143A1 Commutator motor for vehicle starter or for seat or window adjustment, clutch operation or braking
07/21/1994WO1994016491A1 Multiple magnetic pole dc motors
07/21/1994CA2151929A1 Multiple magnetic pole dc motors
07/20/1994EP0607032A1 Miniature motor
07/19/1994US5331257 Commutated electro-dynamic machine such as a d.c. motor, having an auto-synchronizing sensor, and a screen wiping apparatus employing such a motor
07/12/1994US5328108 Method for winding coils on a Y-connection armature for miniature motors
07/06/1994CN1089065A Miniature motor
07/05/1994US5326235 Electric motor with attached pump
06/1994
06/22/1994EP0603083A1 Drive unit for a windscreen wiper of a vehicle
06/22/1994EP0603000A1 Miniature motor
06/21/1994US5323077 Electrical machine having a permanent-magnet-excited rotor
06/15/1994EP0601228A1 Electric motor drive
06/14/1994US5319844 Method of making an electromagnetic transducer
06/09/1994WO1994013051A1 Brushless dynamoelectric machine with specialized armature construction
06/08/1994EP0377584B1 Stator end member and method of asssemblying on stator
06/07/1994US5319277 Electro-dynamic machine with an integral electrical service circuit
06/01/1994EP0489077B1 Electric motor with watertight construction
05/1994
05/26/1994WO1994011941A1 An electrical motor
05/26/1994WO1994011162A1 A power tool
05/24/1994US5315194 Actuator device for an electric window winder
05/24/1994US5315191 Miniature motor
05/19/1994DE4238375A1 Adjusting drive with electric drive motor - has Hall sensor previously mounted in shell and mounted on control circuit board.
05/17/1994CA2037645C Variable speed transmission system
05/17/1994CA2011300C Direct current dynamoelectric machines utilizing high strength permanent magnets
05/11/1994DE4336518A1 DC commutator motor with field magnets arranged in pairs - has pole count determining numbers of pole windings and of outer and inner field magnets in radial alignment
05/11/1994CN1086641A Small DC motor
05/10/1994US5311615 Method of changing speeds in a multi-polar electric motor of the constant flux type, and a motorized fan unit with change of speed controlled by such a method
05/10/1994US5311092 Lightweight high power electromagnetic transducer
05/03/1994US5309053 Conductor embedded in an injection molded component for the cover of an electric motor
04/1994
04/28/1994DE4235649A1 DC electromotor with permanent magnet excitation - has transverse holder positioned between pole ring tube and bearing plate
04/26/1994US5306997 Drive system for turbocharger with rotary electric machine
04/26/1994US5306996 AC/DC stepped drive system
04/21/1994DE4314471C1 Armature laminations stack for DC electrical machine with equalisation couplings - has radially outer opening with defined min spacing and radially inner opening for receiving equalisation couplings.
04/19/1994US5304886 Printed circuit motor
04/13/1994EP0401287B1 Power-operated device with a cooling facility
04/07/1994DE4233156A1 Vehicle electric windows drive arrangement - has rotation detector and brush holders on common plate protruding through opening with axis at right-angles to rotor shaft.
04/06/1994EP0368930B1 A motor or alternator
04/06/1994CN2161016Y DC motor for railway switch
04/05/1994US5299554 Burner for a motor vehicle heater
03/1994
03/30/1994EP0506805B1 Power unit for vehicles
03/23/1994EP0588448A2 Electric motor
03/22/1994US5296768 Revolutions per minute regulation device for a hand-held electric tool and method of its manufacture
03/17/1994DE4227062C1 Sealing connecting plate for electric motor - has circular opening integrated between end flange of motor housing and end flange of attachment housing and connecting plate, for passage of motor shaft.
03/15/1994US5294852 Thermally protected electric motor
03/03/1994DE4229045A1 Commutator motor speed, direction and angle sensor for vehicle sliding roof or electric window - extends segment of commutator to L=shaped track which runs along circumference of commutator, and has sliding contact for sensing voltage of extended track
03/02/1994EP0462169B1 An actuator device for an electric window winder
03/02/1994EP0390927B1 Rotary machine
03/01/1994US5291088 Electric motor with watertight construction
03/01/1994US5290005 Supporting device for miniature motors
02/1994
02/16/1994CN2156614Y Permanent magnetic dc motor armature coil
02/15/1994US5287032 Electric motor with tubular housing
02/15/1994US5287028 Miniature motor
02/09/1994EP0582416A1 Series wound electric motor with a rectified additional field excitation
02/03/1994DE4225496A1 Electric drive unit esp. for window lifter in motor vehicle - incorporates intermediate panel affording range of positions for attachment of electronic unit housing with integral or separate plug
02/01/1994US5283492 Multiple magnetic pole DC motors
01/1994
01/26/1994CN1081289A Miniature motor
01/25/1994US5281880 Rotary machine
01/25/1994US5281876 Miniature motor
01/19/1994EP0430976B1 Shaft bearing, in particular for a miniature electric motor
01/19/1994CN1081031A Miniature motor and method of making same
01/18/1994US5280210 Universal electric motor with a switch ring mounted adjacent the brushes
01/12/1994CN1023529C Rotor for miniature motor
01/12/1994CN1023528C Miniature motor
01/05/1994EP0577201A1 A control interface device for an electric motor and method of manufacturing the same
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