Patents
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)
03/1993
03/02/1993US5191246 Magnetically isolated bolts for linear induction motor
02/1993
02/24/1993CN1069370A Helix type linear step motor
02/23/1993US5189268 Elevator with linear motor drive assembly
02/23/1993US5187846 Pallet changer
02/18/1993WO1993002888A1 Synchronous linear drive with electromagnetic energy transfer
02/17/1993EP0527593A2 Direct vane actuator drive
02/16/1993US5187398 Electromagnetic actuator
02/11/1993DE4201368C1 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
02/11/1993DE4126454A1 Synchron-linearantrieb mit elektromagnetischer energieuebertragung Synchronous linear actuator with electromagnetic energieuebertragung
02/10/1993EP0526774A2 Electric motor having a spherical rotor and its application apparatus
02/04/1993WO1993002500A1 Rotary actuator for magnetic recording
02/04/1993DE4138014C1 Electromechanical power converter in rotary or linear form - has permanent magnets assembled in rotor driven by AC stator winding with pole elements
02/02/1993US5183980 Linear motor elevator device with a null-flux position adjustment
01/1993
01/26/1993US5182481 Voice coil type actuator
01/21/1993WO1993001646A1 Electromagnetic apparatus for producing linear motion
01/21/1993WO1993001645A1 Linear accelerator
01/21/1993DE4124166A1 Mfg. longitudinal stator sections for linear traction motors - using stator iron@ packets and windings with longitudinal stators built in modular system
01/21/1993CA2113344A1 Electromagnetic apparatus for producing linear motion
01/20/1993EP0523042A1 Ultrafast electro-dynamic x, y and theta positioning stage.
01/20/1993EP0483147B1 Dielectric micromechanical element
01/19/1993US5180955 Positioning apparatus
01/19/1993US5180048 Magnetic levitating transportation system
01/14/1993DE4122601A1 Linearbeschleuniger Linear accelerator
01/13/1993EP0522950A1 Linear magnetization mover motor due to linear force resulting from the interaction between magnetostatic induction element and electromagnetic coil
01/13/1993EP0522042A1 Electromagnetic actuator.
01/12/1993US5179305 Linear motor within a positioning device
01/12/1993US5179304 Linear motor system
01/12/1993CA1312646C Lightweight high power electromagnetic transducer
01/07/1993WO1993000197A1 Stud welding device
01/05/1993US5177383 Voice coil motor
12/1992
12/30/1992EP0520782A1 Composite superconductor body and magnetic levitation system
12/30/1992EP0452375B1 Automatic goods transport device with transport elements driven by a linear motor
12/30/1992CN2126479U Discontinuous-running linear induction electric motor
12/29/1992US5175456 Workpiece transporter
12/29/1992US5175455 Permanent magnet linear door motor
12/29/1992US5174215 Power collection system for transportation systems
12/22/1992US5172803 Conveyor belt with built-in magnetic-motor linear drive
12/22/1992US5172518 Driving apparatus for doors
12/09/1992EP0517061A1 Umbilical release mechanism
12/09/1992EP0517060A1 Method and apparatus for cooling hot spots in platen of linear motor system
12/08/1992US5169054 Method of manufacturing composite structures
12/08/1992US5168939 Electromagnetically accelerated impact oil well drill
12/04/1992WO1992022123A1 Magnetically driven motor
12/04/1992CA2087426A1 Magnetically driven motor
12/01/1992US5168185 Swing-type actuator
12/01/1992US5168184 Swing-type actuator
11/1992
11/25/1992EP0280743B1 Electric injection molding machine
11/24/1992US5166563 Magnetically actuated linear displacement compressor
11/17/1992US5163546 Ac magnetic floating conveyor and operation method thereof
11/12/1992WO1992020138A1 Improvements in linear induction motors
11/12/1992WO1992020137A1 Linear synchronous motor having variable pole pitches
11/11/1992CN1019041B Anchor-bonded composite structures and method of production thereof
11/10/1992CA1310118C Dual flux path voice coil motor
11/10/1992CA1309846C Completing a linear motor stator
11/03/1992US5160447 Inner yoke of linear voice coil motor; ferromagnetic powder and binder with specified voids
11/03/1992US5160393 Friction welder having an electromagnetic drive which produces orbital motion
10/1992
10/27/1992US5158156 Linear motor elevator with support wings for mounting secondary side magnets on an elevator car
10/21/1992EP0509635A2 Disk drive unit
10/21/1992EP0455632A4 Linear motor propulsion system
10/14/1992EP0508497A2 Composite structures and methods of manufacturing the same
10/14/1992CN1065227A Friction welder having electromagnetic drive which produces orbital motion
10/13/1992US5155399 Coil assembly for an electromechanical actuator
10/07/1992EP0507357A2 Composite structures and methods of manufacturing the same
10/06/1992US5153494 Ultrafast electro-dynamic x, y and theta positioning stage
10/06/1992US5153473 For translating electrical energy into mechanical output
09/1992
09/30/1992CN2117667U Gap self-adjusting linear motor for pushing vehicle machine
09/29/1992US5150878 Linear actuator
09/24/1992DE4109507A1 Longitudinal stator linear electric motor for high-speed train - uses movement of vehicle acting as rotor to couple successive stator sections to frequency regulator
09/23/1992EP0504494A2 Friction welder having a drive which produces orbital motion
09/23/1992CN1064771A Tubular linear motor primary element
09/17/1992DE4107530A1 Linear motor providing controlled drive force - has rectangular yoke carrying drive windings and compensation windings providing opposing force
09/17/1992DE4107529A1 Linear motor for transporting soft magnetic workpieces - has elongate yoke arms parallel to rotor transport direction carrying electrical winding with varying winding density
09/16/1992EP0503980A1 Elevator driven by a flat linear motor
09/15/1992US5148071 Swing-type actuator with thin reinforced movable coil
09/09/1992EP0502613A2 Tubular linear motor primary element
09/08/1992US5146122 Voice coil actuator with resiliently mounted shorted turn
09/02/1992EP0501661A2 Linear actuator
08/1992
08/26/1992EP0308423B1 Magnetically enhanced variable reluctance motor systems
08/25/1992US5142172 Rectilinear-motion driving device for voice coil motor
08/25/1992US5141082 Linear motor elevator system
08/25/1992CA1306799C Multiple coils for reduction of stray magnetic fields in disk file actuators
08/11/1992US5138605 Low-profile radial access mechanism for disk recording/playback apparatus, with optical head mounted on a carriage
08/11/1992US5138206 Method and apparatus for cooling hot spots in platen of linear motor system
08/06/1992WO1992013382A1 Cooling system for linear induction motor
08/06/1992DE4103257A1 Direct-current linear motor - has two rows of opposite-polarity permanent magnets on endless belt
08/04/1992US5136558 Two axis electromagnetic actuator
08/04/1992US5136196 Umbilical release mechanism
08/04/1992US5136194 Single-phased compact linear electromagnetic actuator
07/1992
07/28/1992US5134326 Voice coil type actuator
07/28/1992US5134325 Carriage driving apparatus
07/28/1992US5134324 Moving magnet type linear motor for automatic door
07/28/1992US5133241 Electromagnetic rail launcher
07/23/1992WO1992012567A1 Electric motor
07/21/1992US5131330 Cylindrical linear transportation system with linear motor propulsion
07/14/1992US5130895 Apparatus having rotary member
07/14/1992US5130583 Linear motor
07/07/1992US5128569 Linear induction motors
07/07/1992US5127337 Reaction rail
06/1992
06/30/1992US5126648 High resolution piggyback linear motor design for placement systems and the like
06/30/1992US5126606 Electric drive motor, especially for control and regulation purposes
1 ... 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ... 101