Patents
Patents for H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors (6,220)
02/1993
02/03/1993EP0526092A1 Miniature electric motors
01/1993
01/27/1993EP0524384A1 An electric motor including a connectable-disconnectable encoder comprising a hall-effect sensor arranged between the field poles of the stator
01/27/1993CA2073836A1 Electric motor including a connectable-disconnectable encoder comprising a hall-effect sensor arranged between the field poles of the stator
01/26/1993US5182589 Camera using film with magnetic recording portion having film feeding motor positioned to minimize the effect of noise therefrom
01/21/1993WO1993001644A1 Flat coreless dc motor
01/21/1993WO1992020131A3 Axial gap dual permanent magnet generator
01/13/1993EP0522819A2 Drive system for turbocharger with rotary electric machine
01/13/1993EP0522015A1 Method of making an electromagnetic transducer
01/12/1993CA1312646C Lightweight high power electromagnetic transducer
01/07/1993EP0521528A1 Electric motor, in particular windshield wiper motor of an automotive vehicle
01/07/1993EP0521155A1 Electric motor and process for producing it.
01/05/1993US5177054 Flux trapped superconductor motor and method therefor
12/1992
12/30/1992EP0520191A2 Brush gear for a direct-current permanent-magnet motor
12/30/1992CN1019724B Miniature motor with worm reduction gear
12/29/1992US5175460 Flat yoke type DC machine
12/24/1992DE4120594A1 Commutator machine with weld seams extending along stator - improves winding utilisation by shorting of stator yoke with consequent weakening of magnetic field of armature
12/23/1992EP0519679A1 armature winding structure
12/22/1992US5172870 Method of winding an armature and armature produced by the method
12/16/1992CN1067140A Dc motor with squirrel-cage rotor
12/15/1992US5170851 Electric tool
12/09/1992EP0507967A4 Motor-wheel of a transport vehicle
12/08/1992US5170084 Wide-angle arc segment magnet and brush motor containing it
12/08/1992CA1311216C Flexible magnet for use in small dc motors and apparatus for making same
11/1992
11/26/1992WO1992014927A3 Electric motor with fit-on pump
11/26/1992DE4116817A1 Small DC motor with adjustable brush holder - providing compression grip that allows relative movement w.r.t. motor body
11/18/1992CN1066347A Miniature motor
11/17/1992US5164625 Electric motor, especially a moisture sealed commutator motor, for driving an axially flange-mounted hydraulic pump
11/17/1992US5164623 Independent-drive wheel for a wheel-mounted vehicle
11/12/1992WO1992020131A2 Axial gap dual permanent magnet generator
11/11/1992EP0355144B1 Combined rotational speed/temperature measuring device
11/11/1992CN1066158A Normal timing type ac./dc. adjustable-speed motor
11/10/1992US5162684 Field magnet for miniature motors
11/10/1992CA1310056C2 Permanent magnet rotor assembly
11/04/1992EP0511776A2 A thermally protected electric motor
11/03/1992US5160868 Adjustable brush ac/dc servo motor
11/03/1992US5160867 Motor field assembly
10/1992
10/27/1992US5158496 Travelling toy
10/27/1992CA1309450C Permanent magnet dynamo electric machine with a non-conducting stator substrate
10/21/1992EP0509683A2 Miniature motor
10/20/1992US5156535 High speed whirlpool pump
10/14/1992EP0508936A1 Flux-trapped superconductive motor and method therefor
10/14/1992EP0507967A1 Motor-wheel of a transport vehicle
10/14/1992CN2119044U Thermal protective motor
10/13/1992US5155403 Coil winding armatures and arrangement of parallel coils
10/13/1992CA1308771C Winding patterns for armatures
10/08/1992DE4111039A1 Motorised setting drive for valve - has incorporated electronic drive control for determining setting force and or setting rate
10/07/1992EP0507726A1 Superconducting brushless homopolar motor with multiple winding rotor
10/07/1992EP0506805A1 Power unit for vehicles.
10/07/1992CN1065161A Direct current machine with interpoles
10/04/1992CA2064982A1 Apparatus and method for aligning stacked laminations of a dynamoelectric machine
10/01/1992WO1992016993A1 Controlled motor
10/01/1992DE4110559A1 DC motor with armature e.g. for toy locomotive - has three-point armature with cylindrical casing of ferro-magnetic material arranged concentrically to runner axis and over toothed heads
10/01/1992DE4109729A1 DC motor fitted with magnet ring sectors for field excitation - has radially magnetised main pole on each side of which is vertically magnetised and has auxiliary pole forming turning field
09/1992
09/30/1992EP0505476A1 Slotless, brushless, large air-gap electric motor
09/29/1992CA1308156C One-piece support and side cover structure for electric motors
09/17/1992DE4108386A1 Schaltbarer antrieb fuer elektrisch angetriebene fahrzeuge Switchable drive for electrically powered vehicles
09/17/1992DE4108074A1 Gesteuerter motor Controlled motor
09/16/1992EP0503868A1 Power tool with brush shifting and reversing switch assembly
09/15/1992US5148073 Wiring device in direct current machine
09/03/1992WO1992014927A2 Electric motor with fit-on pump
09/03/1992DE4106672A1 Electromotor with housing formed from deep-drawn metal plate - and having flanges at end face for fixing bearing shield
09/01/1992US5144183 Flat motor of reduced length
09/01/1992US5144179 Superconducting brushless homopolar motor with multiple winding rotor
08/1992
08/27/1992DE4105349A1 Elektromotor mit angesetzter pumpe Pump electric motor with attached
08/25/1992US5142181 Direct current dynamo
08/25/1992US5141410 Motor-driven fuel pump
08/18/1992US5140205 Temperature control in an electric motor
08/13/1992CA2036195A1 Rotor/stator combination
08/11/1992US5138243 Switching device for the electric switching of electric tools
08/06/1992WO1992013381A1 Electric motor and process for producing it
08/04/1992US5136197 Reaction containment drive for power tool
07/1992
07/29/1992EP0496075A1 Electric motor
07/29/1992CN2111589U Miniature neodymium iron boracium permanent-magnet direct current wiper motor
07/28/1992US5134351 Speed changing device for a multi-polar, constant flux electric motor, and a motorized ventilating fan unit equipped with such a device
07/23/1992DE4101368A1 Elektrischer motor und verfahren zu seiner herstellung Electric motor and process for its preparation
07/22/1992CN1063002A Independent-drive wheel for wheel-mounted vehicle
07/22/1992CN1062999A Method for winding coils on y-connection armature for miniature motors
07/21/1992US5132579 Slip ring with balanced center of gravity for use in detecting rotation of motor
07/14/1992US5130596 Armature of a rotary electric machine with a commutator and a conductor for the armature coil
07/09/1992DE4123902A1 DC generator with armature transverse field compensation - has compensation coil enclosed by slotted and pref. laminated rotor and wound on core which is fixed w.r.t. stator
07/07/1992US5128577 Brush arrangement for dc motor
07/01/1992CN2109016U Bar type motor
07/01/1992CN2109013U Permanent magnetic motor used armature reaction producing field excitation and flux
07/01/1992CN2109012U Dual magnetic electric machinery apparatus
06/1992
06/24/1992CN1062245A Dc power saving motor
06/24/1992CN1062243A Permanent magnetic power motor
06/23/1992US5124602 DC motor unit with a rotational speed detector
06/17/1992EP0489940A1 Brush system for a commutator motor
06/17/1992CN2107723U Motor brush device
06/17/1992CN1062058A Method for winding coils on armature for miniature motors
06/16/1992US5123079 DC motor and controlling system therefor
06/10/1992EP0489077A1 Electric motor with watertight construction.
06/03/1992EP0488260A1 Electric motor
05/1992
05/27/1992EP0486746A1 Flat motor of reduced length
05/26/1992US5115557 Method of connecting a conductor wire to a hook-shaped element
05/21/1992CA2032825A1 Flat motor of reduced length
05/20/1992CN2105136U Automotive rare-earth and permanent magnet motor for windscreen wiper
05/13/1992EP0484953A2 Method of winding armature of electric rotating machine
05/12/1992US5113104 Structured product dynamoelectric machine
05/06/1992EP0484305A2 High speed whirlpool pump
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