| Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141) |
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| 08/04/1993 | EP0553664A2 Optical disk apparatus |
| 08/04/1993 | EP0553582A2 Dynamoelectric machine comprising sectors juxtaposed in the direction of movement and method of making such sectors |
| 08/03/1993 | US5233253 Multi-phase DC motor |
| 08/03/1993 | US5233252 Motor having integral detent |
| 08/03/1993 | US5233248 Heat resistant and explosion-proof type permanent magnetic synchronous motor |
| 07/28/1993 | EP0552232A1 An electric power train for vehicles. |
| 07/28/1993 | CN1074787A Electromagnetic transducer with a multipolar permanent magnet |
| 07/22/1993 | WO1993014552A1 Lightweight high power electromotive device |
| 07/22/1993 | WO1993014551A1 Ac machine |
| 07/22/1993 | CA2127873A1 Ac machine |
| 07/21/1993 | EP0552037A2 Spindle device with a built-in motor |
| 07/21/1993 | CN1021684C Electric generator for bicycle |
| 07/20/1993 | US5229677 Electric propulsion motor for marine vehicles |
| 07/15/1993 | DE4200239A1 Rotor for electric machine esp. transversal flux machine - fills recesses between permanent magnets with fluid adhesive which flows to fill gaps when magnets are pushed in. |
| 07/13/1993 | US5227935 Tape drive having a selectively retractable drive hub |
| 07/13/1993 | US5227686 Spindle motor |
| 07/07/1993 | CN2137836Y Multi-function mini-size rare earth generating diesel engine unit |
| 06/30/1993 | EP0549274A1 Outer-rotor type spindle motor |
| 06/29/1993 | US5223758 Spindle motor |
| 06/24/1993 | DE4139843C1 Dynamoelectric machine, esp. for car - has salient pole laminated rotor with permanent magnets between poles plus extra slip ring-fed excitation winding |
| 06/23/1993 | EP0547534A1 Electromagnetic transducer with a multipolar permanent magnet |
| 06/21/1993 | CA2085794A1 Viscous liquid-dispensing container |
| 06/15/1993 | US5220231 Integral motor propulsor unit for water vehicles |
| 06/15/1993 | US5220228 Rotating electric machine with bevelled armature poles |
| 06/15/1993 | US5220227 Rotor magnet of motor and having improved magnetizing pattern and method of magnetizing the same |
| 06/15/1993 | US5220223 Dynamoelectric machine |
| 06/10/1993 | WO1993011597A1 Brushless motor |
| 06/09/1993 | EP0545060A1 Electric machine with a rotor excited by permanent magnets |
| 06/09/1993 | DE4140077A1 Permanent magnet electrical generator for small mechanical input - has 2 coupled perpendicular soft iron@ rods supported at centres of 2 magnetic frames lying at poles of output coil |
| 06/08/1993 | US5218253 Spin motor for a hard disk assembly |
| 06/08/1993 | US5218250 Strong magnetic thrust force type actuator |
| 06/02/1993 | EP0544200A1 Hybrid synchronous machine with transverse magnetic flux |
| 06/01/1993 | USRE34268 Brushless direct current motor system |
| 06/01/1993 | US5216557 Disk storage device having a brushless dc drive motor |
| 06/01/1993 | US5216339 Lateral electric motor |
| 06/01/1993 | US5216310 Axial flux electromagnetic micromotors |
| 06/01/1993 | US5215385 Low-profile disk drive motor with deflecting-pad bearings |
| 05/27/1993 | WO1993010593A1 Brushless dc motor |
| 05/26/1993 | EP0543625A2 Permanent magnet dynamoelectric machines |
| 05/26/1993 | CN2134750Y A.c permanent-magnet generator |
| 05/25/1993 | US5214337 Electromagnetic rotary actuator |
| 05/25/1993 | US5214336 Motor and/or generator in which radially projecting pole shanks are laterally offset at an angle relative to the radial center line of symmetry of a stator sector |
| 05/25/1993 | US5214331 Lead holder for a spindle motor |
| 05/23/1993 | WO1993010535A1 Disc device |
| 05/23/1993 | CA2100157A1 Disk drive |
| 05/18/1993 | US5212419 Lightweight high power electromotive device |
| 05/13/1993 | WO1993009550A1 Multi-pole composite magnet used in a magnetic encoder |
| 05/13/1993 | CA2120764A1 Multi-pole composite magnet |
| 05/04/1993 | US5206983 Method of manufacturing micromechanical devices |
| 04/27/1993 | US5206554 Electromagnetic micromotor for use in watch movements of small dimensions |
| 04/22/1993 | DE4234146A1 Generator of Lorentz forces and consequent linear movements - employs hollow superconductor for screening current return line from magnetic field in which disc rotates |
| 04/21/1993 | EP0537340A1 Torque driven dual pmg actuator |
| 04/21/1993 | EP0537331A1 Axial gap dual permanent magnet generator |
| 04/21/1993 | CN2130302Y Embedded-regulating type autommotive earth magneto generator |
| 04/20/1993 | US5204570 Spheroidal machine |
| 04/15/1993 | WO1993007672A1 Rotary field motor |
| 04/15/1993 | WO1993007388A1 Fluid pump with magnetically levitated impeller |
| 04/15/1993 | DE4133723A1 Drehfeldmotor Synchro motor |
| 04/14/1993 | CN2130002Y Magnetic rotor for flying wheel generator |
| 04/07/1993 | CN2129487Y Bicycle electric generator |
| 04/06/1993 | US5200661 Slotless, brushless, large air gap electric motor |
| 04/06/1993 | US5200660 Electric machine |
| 04/01/1993 | WO1993005712A1 Ultrasonic instrument with a micro motor having stator coils on a flexible circuit board |
| 04/01/1993 | DE4239106A1 Maintenance-free multi-layer generator - allows rotors either side of stator to move axially to enable distance between stator and rotors to be minimised |
| 03/31/1993 | EP0533767A1 Direct current motor utilizing back electromotive force. |
| 03/24/1993 | EP0533359A2 Electric propulsion motor for marine vehicles |
| 03/23/1993 | US5195877 Fluid pump with magnetically levitated impeller |
| 03/18/1993 | WO1993005230A1 Uses of transverse flux machines |
| 03/18/1993 | DE4130150A1 Anwendungen von transversalflussmaschinen Applications of transverse flux machines |
| 03/17/1993 | EP0531588A1 Spindle motor |
| 03/16/1993 | CA1314582C Electric motor |
| 03/11/1993 | DE4130016A1 Elektronisch kommutierte gleichstrommaschine Electronically commutated DC machine |
| 03/10/1993 | CN2128022Y Pulse voltage adjusting generator for small tractor |
| 03/04/1993 | DE4229113A1 Bicycle dynamo using permanent magnetic discs - has alternating axially magnetised concentric segments lying on opposite sides of stationary armature disc |
| 03/02/1993 | US5191258 Electric current generator including torque reducing countermagnetic field |
| 03/02/1993 | US5191255 Electromagnetic motor |
| 02/24/1993 | EP0528750A2 Shifted pole single phase variable reluctance motor |
| 02/24/1993 | EP0528347A1 Wheel-hub dynamo |
| 02/24/1993 | CN2127528Y Permanen magnet generator |
| 02/21/1993 | CA2076412A1 Electric machine, especially a dynamo for mounting on a wheel hub |
| 02/18/1993 | WO1993003534A1 Polyphase electric machine with prefabricated winding layers |
| 02/10/1993 | EP0526599A1 Electronically switched d.c. machine |
| 02/10/1993 | CN2126942Y Brushless d.c. permanent-magnet generator |
| 02/10/1993 | CN1068917A Polyphase electromagnetic transducer with permanent magnet, in particular drive motor |
| 02/09/1993 | US5185545 Dual propeller shock resistant submersible propulsor unit |
| 02/04/1993 | DE4138014C1 Electromechanical power converter in rotary or linear form - has permanent magnets assembled in rotor driven by AC stator winding with pole elements |
| 02/04/1993 | DE4125044A1 Als scheibenlaeufer ausgebildeter elektromotor mit radial zur rotationsachse angeordnetem rotor und blechpaket As scheibenlaeufer trained electric motor of radially arranged for rotation axle and rotor lamination packet |
| 02/03/1993 | EP0525462A1 Multi-phase electromagnetic transducer with permanent magnet, in particular driving motor |
| 02/03/1993 | EP0365689B1 Synchronous motor |
| 02/02/1993 | US5184040 Electric power generators having like numbers of magnets and coils |
| 01/27/1993 | CN1068450A Rare-earth synchronous motor with ring rotor |
| 01/21/1993 | WO1993001643A1 Element for insertion in data-processing equipment |
| 01/21/1993 | WO1992020131A3 Axial gap dual permanent magnet generator |
| 01/21/1993 | DE4137457C1 Voltage regulator for permanent magnet generator - reduces flux density by iris diaphragm closure and lowers generator voltage for stable supply |
| 01/21/1993 | DE4123661A1 Electrically driven cooling pump for vehicle IC engine - has integrated motor with two split sleeves enclosing two-part stator |
| 01/21/1993 | CA2112687A1 Element for insertion in data-processing equipment |
| 01/20/1993 | EP0523353A1 Heat resistant and explosion-proof type permanent magnetic synchronous motor |
| 01/12/1993 | CA1312646C Lightweight high power electromagnetic transducer |
| 01/07/1993 | DE4122170A1 In edv-einrichtungen einsteckbares element In it-pluggable equipment element |
| 01/05/1993 | US5177391 Power generating apparatus |