Patents
Patents for H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors (6,220)
05/1992
05/05/1992US5111093 Engine starter with dust seal arrangement
05/01/1992WO1992007728A1 Motor-wheel of a transport vehicle
05/01/1992CA2072759A1 Motorized wheel for vehicle
04/1992
04/28/1992US5109172 Permanent magnet motor having diverting magnets
04/22/1992EP0481774A2 Two ends bidirectional conduction non-closing armature windings for DC motor
04/21/1992US5107155 Vibrator motor for wireless silent alerting device
04/14/1992US5105113 Permanent-magnetic motor having anti-cogging structure
04/14/1992US5105112 Blower for cooling internal combustion engine of power vehicle
04/08/1992EP0479658A1 Speed commutating process for a constant flux multi-polar electric motor and motor ventilator set with this speed commutating process
04/07/1992US5102306 AC/DC air pump
04/07/1992CA1298604C Electric generator for inducing current in the field coil
04/01/1992EP0463168A4 Motor-wheel for a vehicle
03/1992
03/26/1992DE4029883A1 Rotation direction locking system for battery operated tool - has rotation direction changeover switch and unit for locking changeover switch during operation of permanent excited DC motors
03/25/1992EP0477051A1 Device for regulating the neutral line of an electric motor
03/24/1992US5098206 Shaft bearing assembly for a miniature electric motor
03/18/1992EP0475777A1 Rectifying motor lap-wound magnetic winding with adjustable commutating angle
03/18/1992EP0474904A1 Gear drive assembly for a commutator motor, in particular window raising drive for an automotive vehicle, and method for its manufacture
03/18/1992CN2099409U Neodymium-iron-boron miniature permanent magnet d.c. motor
03/10/1992US5095239 Varistor in an electric motor
03/04/1992EP0472746A1 Electric motor, especially humidity-proof closed commutator motor for the drive of an axiel flanged hydraulic pump
03/04/1992CN2098120U Direct starting air compressor motor of diesel locomotive
03/04/1992CN1059238A Starting and electricity generating dual purpose motor
02/1992
02/25/1992US5091667 D.c. machine of type having permanent magnets with auxiliary poles
02/18/1992US5089737 Dc rotary electric machine of permanent magnet field type
02/18/1992US5089729 Power tool with brush shifting and reversing switch assembly
02/18/1992US5088900 Motor-operated pump having a projection for protecting a commutator
02/12/1992EP0470852A2 An electric motor assembly
02/11/1992US5087845 Series electric motor with permanent magnet brake
02/11/1992US5087497 Electric circuit substrate
02/06/1992WO1992002070A1 Electrical machine, in particular an electric motor
02/04/1992US5086243 Rotation detector for a commutator motor excited by pole units
01/1992
01/30/1992DE4023623A1 Elektrische maschine, insbesondere elektrischer motor Electrical machine, in particular electric motor-
01/28/1992US5083358 Method of preventing twisted-off bolt head while tightening a bolt
01/21/1992US5083054 Permanent magnet field type dc machine
01/16/1992DE4021891A1 Electric motor with sensor unit - determining position of rotor shaft and connected to electronic circuit controlling electric motor esp. for window raiser
01/15/1992EP0466153A2 Miniature electric motor
01/14/1992US5081386 Motor-operated pump of in-tank type
01/07/1992US5079468 Miniature motor with revolution-detecting generator
01/02/1992EP0463168A1 Motor-wheel for a vehicle
01/02/1992EP0306486B1 Stator for an electrical machine
01/01/1992CN2092163U Axial-flow dc motor using rare-earth permanent magnet
12/1991
12/27/1991EP0462340A1 Direct current motor
12/27/1991EP0462169A1 An actuator device for an electric window winder.
12/24/1991US5075814 External method and apparatus for magnetizing metal pieces in rotary electric apparatus to a permanent magnetization state
12/11/1991CN1056964A Double-characteristic motor specified for electric vehicle
12/11/1991CN1015080B Miniature motor
12/10/1991US5072129 Armature coil arrangement for engine starter motor
12/10/1991US5070750 Torque limiting apparatus
12/10/1991CA1293016C Two-speed motor
12/04/1991EP0459629A1 Coil winding armatures and arrangement of parallel coils
12/03/1991US5070270 Brush device
12/03/1991US5070269 Miniature motor having a frequency generator
12/03/1991US5070267 Low-noise electric motor assembly for automotive blower
11/1991
11/27/1991CN1056607A Electric motor with armature of discontinuous sheets
11/19/1991US5066878 Small-sized electric motor housing circuit breaker
11/14/1991DE4014946A1 Miniature permanent magnetic field motor
11/13/1991CN2088759U Squirrel-cage rotor d.c. motor
11/13/1991CN1056194A Variable brush step speed regulation dc motor
11/08/1991CA2026877A1 Double drive electrical motor
11/06/1991EP0455283A1 Vehicle brake pressure modulator
11/05/1991US5063319 Universal motor with secondary winding wound with the run field winding
11/05/1991US5063317 Electric motor, especially an electric small-power motor for driving wiper systems of motor vehicles
11/05/1991US5062312 Actuator
10/1991
10/29/1991CA1291517C Stator end member and assemblies therewith and methods of assembly
10/09/1991EP0450851A1 Direct current motor assembly
10/08/1991CA1290377C Direct-current machine with permanent-magnetic stator
10/02/1991CN2086017U Permanent-magnet dc motor with shunt electromagnetic pole in centre
10/01/1991WO1991015892A1 Method of making an electromagnetic transducer
10/01/1991US5053657 Miniature motor
09/1991
09/24/1991CA1289609C Process and assembly for motor reducer
09/10/1991CA1288796C Permanent magnet assembly and method of making same
09/05/1991WO1991013487A1 Electric motor drive
09/05/1991WO1991013486A1 Synchronous motor for use on a direct current network
09/05/1991DE4005709A1 Electric commutator motor drive with electronic motor control - comprising e.g. Hall effect transducer mounted on assembly making contact with brush holder in installed position
09/04/1991EP0445015A1 Speed commutation device for an electric motor
09/04/1991CN2084250U 电动轮式旋转装置 Electric wheel rotating device
09/03/1991US5045742 Electric motor with optimum core dimensions
09/03/1991US5044065 Coil winding armatures with parallel coils
08/1991
08/29/1991DE4005773A1 Synchronmotor zum betreiben an einem gleichspannungsnetz Synchronous motor to operate at a DC network
08/28/1991EP0443017A1 Electric motor, in particular small-size electric motor for driving windscreen wipers in motor vehicles.
08/28/1991CN1054151A Disk permanent-magnet dc motor
08/22/1991WO1991006146A3 Improved motors and methods of making the same
08/20/1991US5041751 Mounting section structure for mounting a circuit breaker in a brush holder stay
08/13/1991WO1991012646A1 Lightweight high power electromotive device
07/1991
07/30/1991US5036239 Flat coreless vibrator motor
07/23/1991US5034641 Rotary machines with permanent magnet
07/17/1991EP0232402B1 D.c. electric motor
07/15/1991CA2007767A1 Rotary machine
07/11/1991WO1991010068A1 Burner for motor vehicle heater
07/08/1991CA2007345A1 Miniature vehicle with magnetic enhancement of traction
07/03/1991CN2080261U Special micro dc motor
07/02/1991USRE33628 Electro-mechanical machine with pie-shaped coils on disc rotor
06/1991
06/27/1991WO1991009449A1 Slotless, brushless, large air-gap electric motor
06/27/1991WO1991008919A1 Power unit for vehicles
06/27/1991DE3942647A1 Brenner fuer eine kraftfahrzeug-standheizung Burner for a motor vehicle-condensation heating
06/19/1991EP0432283A1 Feedthrough for electric cables
06/19/1991CN2079382U Electric motor wire terminal adapter
06/19/1991CN1052400A Magnetic energy developing machine
06/12/1991EP0430976A1 Shaft bearing, in particular for a miniature electric motor.
06/11/1991US5023532 Drive mechanism for windshield wiper systems on motor vehicles
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