Patents for H02K 29 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes, semiconductor devices (10,091) |
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03/11/1999 | DE19739682A1 Sensoreinrichtung Sensor device |
03/11/1999 | DE19739293A1 Stator for electrically commutated d.c. motor |
03/10/1999 | CN1210211A Bearing system and brushless DC motor using such system |
03/09/1999 | US5880549 Switched reluctance rotator |
03/09/1999 | US5880544 Flywheel-type power storage device |
03/09/1999 | US5879785 Position sensor PCB mounting structure for electric motor |
03/04/1999 | DE19839785A1 Electric motor with six-pole stator |
03/03/1999 | EP0899847A1 Method for determining the position and the direction of movement of a movable part driven by an electric motor |
03/03/1999 | CN2309663Y High-efficiency rare-earth permanent-magnetic brushless dc electric machine |
03/03/1999 | CN1209677A Brushless dc. motor |
03/03/1999 | CN1209673A Brushless dc. motor |
03/02/1999 | US5877574 Dynamoelectric machine |
03/02/1999 | US5877572 Reduced noise reluctance machine |
03/02/1999 | US5877568 Rotor position sensing system |
03/02/1999 | US5877567 Brushless motor having lubrication oil gaps and a core with radially projecting poles |
02/25/1999 | WO1999009645A1 Separately excited electric machine |
02/23/1999 | US5874796 Permanent magnet D.C. motor having a radially-disposed working flux gap |
02/18/1999 | WO1999008366A1 Pump driven by brushless motor |
02/18/1999 | WO1999008363A1 Dynamo electric machines and stators for use in same |
02/18/1999 | CA2299721A1 Dynamo electric machines and stators for use in same |
02/18/1999 | CA2298588A1 Pump driven by brushless motor |
02/17/1999 | CN2308207Y Brushless D. C. motor |
02/16/1999 | US5872442 Brushless motor |
02/16/1999 | US5872409 Bearing system and brushless DC motor using such system |
02/16/1999 | US5872407 Linear motor |
02/10/1999 | EP0895665A1 Thin film electric motors and method of manufacture |
02/10/1999 | CN2307398Y Improved small brushless dc motor |
02/04/1999 | WO1999005772A1 One way interactive electric motors |
02/04/1999 | WO1999005769A1 Claw pole motor |
02/04/1999 | DE19732564A1 Transport conveyor for goods or suitcases |
02/03/1999 | EP0872008A4 Motor termination board |
02/03/1999 | EP0801837A4 Light weight genset |
02/03/1999 | CN1207217A High-efficiency electric motor of electronic commutation type |
02/02/1999 | US5867346 Disk driving spindle motor |
02/02/1999 | US5866965 Variable reluctance motor having foil wire wound coils |
02/02/1999 | US5866962 Rotor position detecting apparatus in switched reluctance motor |
02/02/1999 | US5866961 Motor structure |
01/27/1999 | EP0655823B1 Method of driving a brushless dc motor |
01/26/1999 | US5864443 Disk storage device having a detachable coupling ring in the hub |
01/26/1999 | US5864192 Brushless motor with magnetic sensor to detect leaked magnetic flux |
01/26/1999 | US5864191 Efficient permanent magnet rotor for brushless motor |
01/26/1999 | US5862686 Drive device for a front-loading washing machine |
01/21/1999 | WO1999003188A1 Brushless dc permanent magnet motors for traction drive systems |
01/19/1999 | US5861696 Methods and apparatus for improved DC motors and magnetic clutches |
01/19/1999 | US5861693 Permanent magnet having high bhmax (b=magnetic flux density, h=magnetic coercive force) with duplex structure: inner layer cobalt-iron-yttrium and outer layer iron-neodymium-boron; energy efficiency |
01/14/1999 | WO1999001665A1 Integrated controller pump |
01/14/1999 | CA2264173A1 Integrated controller pump |
01/13/1999 | EP0368930B2 A motor or alternator |
01/13/1999 | CN1204885A Method for controlling continuous rotation miniature motor |
01/13/1999 | CN1204880A Stator core and wire winding method for the same |
01/12/1999 | US5859487 Stator structure of motor and its forming method |
01/12/1999 | US5859486 Rotary motor and production method thereof, and laminated core and production method thereof |
01/07/1999 | EP0888663A2 Turbomachine, especially for a domestic appliance |
12/30/1998 | EP0887913A2 Method to control a micromotor at constant speed |
12/24/1998 | DE19725525A1 Electronic commutator motor |
12/24/1998 | DE19725522A1 Elektronisch kommutierter Motor Electronically commutated motor |
12/23/1998 | WO1998058443A1 Electronically commutated motor |
12/23/1998 | EP0885481A1 Electronically commutated motor |
12/23/1998 | EP0696242B1 Articulated arm transfer device |
12/23/1998 | CN2301811Y Permanent-magnet brushless DC motor |
12/23/1998 | CN2301810Y Permanent-magnet brushless DC motor |
12/22/1998 | US5852335 Stator structure for rotary electric machine |
12/22/1998 | US5852334 Staggered pole switched reluctance motor |
12/22/1998 | CA2151532C Auxiliary starting switched reluctance motor |
12/16/1998 | EP0883926A1 High-efficiency electric motor of electronic commutation type |
12/15/1998 | US5850318 Disc drive data storage system |
12/09/1998 | CN1201564A Motor termination board |
12/09/1998 | CN1041155C Appartus for controlling driving of brushless DC motor |
12/08/1998 | US5847483 Pulse generator |
12/03/1998 | DE19824226A1 Switched reluctance motor |
12/02/1998 | EP0881761A1 A controller for a brushless DC motor without a position sensor |
12/02/1998 | EP0881755A2 Rotor positioning magnets |
12/01/1998 | US5844346 Low torque ripple switched reluctance motor |
12/01/1998 | US5844344 DC brushless motor having auxiliary salient poles |
12/01/1998 | US5844343 Auxiliary starting switched reluctance motor |
12/01/1998 | US5844338 For automotive applications |
11/26/1998 | WO1998037618A3 Rotating machine for use in a pressurized fluid system |
11/25/1998 | EP0879496A2 Energy storage flywheel apparatus and methods |
11/25/1998 | CN1199948A DC electric motor |
11/24/1998 | US5841208 Motor capable of generating an electric signal having a particular and precise frequency and a rotary magnetic head apparatus using the same |
11/18/1998 | EP0878047A1 Staggered pole switched reluctance motor |
11/17/1998 | US5838122 Motor initialization method and apparatus |
11/17/1998 | US5838087 Reluctance machine |
11/11/1998 | CN1198608A Motor |
11/10/1998 | US5834873 Brushless three-phase dc motor |
11/10/1998 | US5834866 Motor structure |
11/03/1998 | US5831363 Scanner motor |
11/03/1998 | US5831359 Electronically commutated motor with external rotor |
11/03/1998 | US5831358 Rotor end cap |
11/03/1998 | US5831355 Method for manufacturing a spindle motor |
10/29/1998 | DE19733581C1 Identifying position-movement direction of movable part preset at electric motor |
10/28/1998 | EP0874442A2 An electric motor having an improved airflow cooling system |
10/28/1998 | EP0773621B1 Brushless dc motor |
10/28/1998 | CN1197321A D. C. motor |
10/27/1998 | US5828195 Method and apparatus for electronic braking of an electric motor having no permanent magnets |
10/27/1998 | US5828154 Reluctance motor |
10/22/1998 | WO1998047217A1 Lightweight rotor and stator with multiple coil windings in thermal contact |
10/22/1998 | WO1998026495A3 Motor/generator |
10/21/1998 | EP0872943A1 Permanent-magnet revolving electrodynamic machine with a concentrated stator winding |
10/21/1998 | EP0872008A1 Motor termination board |