Patents for H02K 41 - Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path (10,066) |
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03/02/1993 | US5191246 Magnetically isolated bolts for linear induction motor |
02/24/1993 | CN1069370A Helix type linear step motor |
02/23/1993 | US5189268 Elevator with linear motor drive assembly |
02/23/1993 | US5187846 Pallet changer |
02/18/1993 | WO1993002888A1 Synchronous linear drive with electromagnetic energy transfer |
02/17/1993 | EP0527593A2 Direct vane actuator drive |
02/16/1993 | US5187398 Electromagnetic actuator |
02/11/1993 | DE4201368C1 Travelling magnetic field drive for direct-feed linear transport appts. - has three travelling field inductors with phase windings of high and low number of turns connected in delta and star circuits respectively |
02/11/1993 | DE4126454A1 Synchron-linearantrieb mit elektromagnetischer energieuebertragung Synchronous linear actuator with electromagnetic energieuebertragung |
02/10/1993 | EP0526774A2 Electric motor having a spherical rotor and its application apparatus |
02/04/1993 | WO1993002500A1 Rotary actuator for magnetic recording |
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 |
02/02/1993 | US5183980 Linear motor elevator device with a null-flux position adjustment |
01/26/1993 | US5182481 Voice coil type actuator |
01/21/1993 | WO1993001646A1 Electromagnetic apparatus for producing linear motion |
01/21/1993 | WO1993001645A1 Linear accelerator |
01/21/1993 | DE4124166A1 Mfg. longitudinal stator sections for linear traction motors - using stator iron@ packets and windings with longitudinal stators built in modular system |
01/21/1993 | CA2113344A1 Electromagnetic apparatus for producing linear motion |
01/20/1993 | EP0523042A1 Ultrafast electro-dynamic x, y and theta positioning stage. |
01/20/1993 | EP0483147B1 Dielectric micromechanical element |
01/19/1993 | US5180955 Positioning apparatus |
01/19/1993 | US5180048 Magnetic levitating transportation system |
01/14/1993 | DE4122601A1 Linearbeschleuniger Linear accelerator |
01/13/1993 | EP0522950A1 Linear magnetization mover motor due to linear force resulting from the interaction between magnetostatic induction element and electromagnetic coil |
01/13/1993 | EP0522042A1 Electromagnetic actuator. |
01/12/1993 | US5179305 Linear motor within a positioning device |
01/12/1993 | US5179304 Linear motor system |
01/12/1993 | CA1312646C Lightweight high power electromagnetic transducer |
01/07/1993 | WO1993000197A1 Stud welding device |
01/05/1993 | US5177383 Voice coil motor |
12/30/1992 | EP0520782A1 Composite superconductor body and magnetic levitation system |
12/30/1992 | EP0452375B1 Automatic goods transport device with transport elements driven by a linear motor |
12/30/1992 | CN2126479U Discontinuous-running linear induction electric motor |
12/29/1992 | US5175456 Workpiece transporter |
12/29/1992 | US5175455 Permanent magnet linear door motor |
12/29/1992 | US5174215 Power collection system for transportation systems |
12/22/1992 | US5172803 Conveyor belt with built-in magnetic-motor linear drive |
12/22/1992 | US5172518 Driving apparatus for doors |
12/09/1992 | EP0517061A1 Umbilical release mechanism |
12/09/1992 | EP0517060A1 Method and apparatus for cooling hot spots in platen of linear motor system |
12/08/1992 | US5169054 Method of manufacturing composite structures |
12/08/1992 | US5168939 Electromagnetically accelerated impact oil well drill |
12/04/1992 | WO1992022123A1 Magnetically driven motor |
12/04/1992 | CA2087426A1 Magnetically driven motor |
12/01/1992 | US5168185 Swing-type actuator |
12/01/1992 | US5168184 Swing-type actuator |
11/25/1992 | EP0280743B1 Electric injection molding machine |
11/24/1992 | US5166563 Magnetically actuated linear displacement compressor |
11/17/1992 | US5163546 Ac magnetic floating conveyor and operation method thereof |
11/12/1992 | WO1992020138A1 Improvements in linear induction motors |
11/12/1992 | WO1992020137A1 Linear synchronous motor having variable pole pitches |
11/11/1992 | CN1019041B Anchor-bonded composite structures and method of production thereof |
11/10/1992 | CA1310118C Dual flux path voice coil motor |
11/10/1992 | CA1309846C Completing a linear motor stator |
11/03/1992 | US5160447 Inner yoke of linear voice coil motor; ferromagnetic powder and binder with specified voids |
11/03/1992 | US5160393 Friction welder having an electromagnetic drive which produces orbital motion |
10/27/1992 | US5158156 Linear motor elevator with support wings for mounting secondary side magnets on an elevator car |
10/21/1992 | EP0509635A2 Disk drive unit |
10/21/1992 | EP0455632A4 Linear motor propulsion system |
10/14/1992 | EP0508497A2 Composite structures and methods of manufacturing the same |
10/14/1992 | CN1065227A Friction welder having electromagnetic drive which produces orbital motion |
10/13/1992 | US5155399 Coil assembly for an electromechanical actuator |
10/07/1992 | EP0507357A2 Composite structures and methods of manufacturing the same |
10/06/1992 | US5153494 Ultrafast electro-dynamic x, y and theta positioning stage |
10/06/1992 | US5153473 For translating electrical energy into mechanical output |
09/30/1992 | CN2117667U Gap self-adjusting linear motor for pushing vehicle machine |
09/29/1992 | US5150878 Linear actuator |
09/24/1992 | DE4109507A1 Longitudinal stator linear electric motor for high-speed train - uses movement of vehicle acting as rotor to couple successive stator sections to frequency regulator |
09/23/1992 | EP0504494A2 Friction welder having a drive which produces orbital motion |
09/23/1992 | CN1064771A Tubular linear motor primary element |
09/17/1992 | DE4107530A1 Linear motor providing controlled drive force - has rectangular yoke carrying drive windings and compensation windings providing opposing force |
09/17/1992 | DE4107529A1 Linear motor for transporting soft magnetic workpieces - has elongate yoke arms parallel to rotor transport direction carrying electrical winding with varying winding density |
09/16/1992 | EP0503980A1 Elevator driven by a flat linear motor |
09/15/1992 | US5148071 Swing-type actuator with thin reinforced movable coil |
09/09/1992 | EP0502613A2 Tubular linear motor primary element |
09/08/1992 | US5146122 Voice coil actuator with resiliently mounted shorted turn |
09/02/1992 | EP0501661A2 Linear actuator |
08/26/1992 | EP0308423B1 Magnetically enhanced variable reluctance motor systems |
08/25/1992 | US5142172 Rectilinear-motion driving device for voice coil motor |
08/25/1992 | US5141082 Linear motor elevator system |
08/25/1992 | CA1306799C Multiple coils for reduction of stray magnetic fields in disk file actuators |
08/11/1992 | US5138605 Low-profile radial access mechanism for disk recording/playback apparatus, with optical head mounted on a carriage |
08/11/1992 | US5138206 Method and apparatus for cooling hot spots in platen of linear motor system |
08/06/1992 | WO1992013382A1 Cooling system for linear induction motor |
08/06/1992 | DE4103257A1 Direct-current linear motor - has two rows of opposite-polarity permanent magnets on endless belt |
08/04/1992 | US5136558 Two axis electromagnetic actuator |
08/04/1992 | US5136196 Umbilical release mechanism |
08/04/1992 | US5136194 Single-phased compact linear electromagnetic actuator |
07/28/1992 | US5134326 Voice coil type actuator |
07/28/1992 | US5134325 Carriage driving apparatus |
07/28/1992 | US5134324 Moving magnet type linear motor for automatic door |
07/28/1992 | US5133241 Electromagnetic rail launcher |
07/23/1992 | WO1992012567A1 Electric motor |
07/21/1992 | US5131330 Cylindrical linear transportation system with linear motor propulsion |
07/14/1992 | US5130895 Apparatus having rotary member |
07/14/1992 | US5130583 Linear motor |
07/07/1992 | US5128569 Linear induction motors |
07/07/1992 | US5127337 Reaction rail |
06/30/1992 | US5126648 High resolution piggyback linear motor design for placement systems and the like |
06/30/1992 | US5126606 Electric drive motor, especially for control and regulation purposes |