| 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) |
|---|
| 09/27/1991 | WO1991015051A1 Electromagnetic actuator |
| 09/24/1991 | US5051669 Voice coil motor |
| 09/24/1991 | US5051641 Transversal flow machine in accumulator arrangement |
| 09/24/1991 | US5051635 Ball-splined shaft assembly |
| 09/19/1991 | WO1991013779A1 Direct electric drive for a vehicle wheel |
| 09/18/1991 | EP0446378A1 Manipulator using flat pulse motor |
| 09/18/1991 | EP0183854B1 Stepping motor |
| 09/18/1991 | EP0183792B1 Magnetically assisted stepping motor |
| 09/10/1991 | US5047676 Brushless linear actuator with sensor-activated coils |
| 09/10/1991 | US5046234 Method of manufacturing a core unit for a linear probe motor |
| 09/05/1991 | WO1991012901A2 Electromechanical vibration generator and device using it |
| 08/28/1991 | EP0443831A2 Motion guiding device |
| 08/22/1991 | WO1991012648A1 Linear dc motor |
| 08/21/1991 | EP0442540A2 CNC turning machine |
| 08/13/1991 | WO1991012646A1 Lightweight high power electromotive device |
| 08/06/1991 | US5038062 Swing-arm type linear d.c. brushless motor |
| 08/01/1991 | DE4002733A1 Linear induction motor for movements in millimetric range - consists of units of flat prim. coil and honeycomb sec. coil subject to forced-draught cooling |
| 07/24/1991 | CN1053331A Linear motor conveyance system |
| 07/23/1991 | US5033588 Apparatus for maintaining an air gap in a toroidal linear motor |
| 07/16/1991 | US5032746 Linear motor with driving device |
| 07/09/1991 | US5030866 Electric motor |
| 07/02/1991 | US5029029 Linear actuator with reduced wear guide way |
| 06/26/1991 | EP0433830A1 Moving magnet type linear motor for automatic door |
| 06/19/1991 | CN2079385U Self-braking primary straight-line motor driving device |
| 06/19/1991 | CN1052279A Composite structures and method of producing same |
| 06/18/1991 | US5025183 Electromagnetic actuator driver apparatus with pivot axis |
| 06/11/1991 | US5023496 Linear motor |
| 06/11/1991 | US5023495 Moving-magnet type linear d.c. brushless motor having plural moving elements |
| 06/05/1991 | EP0430378A2 Lightweight rigid compact configuration for the voice coil carriage and printed circuit cable in a disc drive |
| 06/04/1991 | US5021695 Linear motor car system |
| 05/28/1991 | US5019732 Disengageable linear stepper motor with recentered rotor |
| 05/15/1991 | EP0427642A1 Cooling device for the inductor of a linear motor |
| 05/15/1991 | CN1051469A Magnetic accelerating device |
| 05/14/1991 | US5015622 Multidirectional/rotational superconductor motor |
| 05/14/1991 | US5014826 Apparatus for maintaining an air gap in a toroidal type linear motor |
| 05/14/1991 | US5014625 Linear motor driven trolley conveyor |
| 05/14/1991 | CA1284167C Planar linear pulse motor |
| 05/02/1991 | WO1991006108A1 Monophase electromagnetic actuator |
| 05/02/1991 | EP0425314A1 Apparatus for carrying a load vertically |
| 05/02/1991 | EP0424611A1 Electric drive motor, especially for automatic control functions |
| 05/02/1991 | DE4033913A1 Conveyor belt with integrated permanent-magnet linear motor - has flat flexible subdivided magnetic elements arranged in strips on underside of reinforced regions |
| 05/02/1991 | DE3935502A1 Blood pump pendulum, bearing - uses contactless magnetic drive to produce swivel |
| 04/30/1991 | CA1283697C System for using synchronous secondaries of a linear motor to biaxially draw plastic films |
| 04/30/1991 | CA1283696C System useful for controlling multiple synchronous secondaries of a linear motor along an elongated path |
| 04/30/1991 | CA1283684C Linear motor |
| 04/23/1991 | US5010262 Strong magnetic thrust force type actuator |
| 04/18/1991 | WO1991005398A1 Electrical machine with fluid cooling |
| 04/11/1991 | DE3932481A1 Elektrische maschine mit fluidkuehlung Electrical machine with fluidkuehlung |
| 04/10/1991 | EP0421529A1 Linear motor and positioning device comprising at least one linear motor |
| 04/10/1991 | EP0421528A1 Positioning device |
| 04/10/1991 | EP0421029A1 Motion simulator |
| 04/10/1991 | CN1050514A Composite structures and methods of producing same |
| 04/10/1991 | CN1050513A Composite structures and methods of producing same |
| 04/09/1991 | US5005672 Air gap apparatus for a linear motor |
| 04/04/1991 | WO1991004835A1 Manipulator using flat pulse motor |
| 04/03/1991 | CN2074516U Self-brake propulsor of linear motor with floating secondary |
| 04/02/1991 | US5004944 Lightweight high power electromagnetic transducer |
| 03/20/1991 | EP0417956A2 Improvements in or relating to the control of linear motors |
| 03/12/1991 | US4999530 Linear pulse motor with magnetic armature lock |
| 03/06/1991 | EP0415780A1 Electromechanical transducing along a path |
| 03/06/1991 | EP0414702A1 Voice coil actuator. |
| 03/01/1991 | CA2023839A1 Electromechanical transducing along a path |
| 02/27/1991 | EP0413756A1 Method and apparatus for controlling the carriage of a linear motor |
| 02/26/1991 | US4995711 Slide table |
| 02/20/1991 | CN1049423A Linear actuator for a disk file |
| 02/12/1991 | US4992684 Linear motor and driving apparatus using the same |
| 02/06/1991 | CN2070966U Tube type linear asynchronous motor |
| 01/29/1991 | US4988904 Voice coil motor with an encoder |
| 01/29/1991 | US4988903 Coil assembly for voice coil motor |
| 01/23/1991 | CN2070057U Single-phase tubular linear motor |
| 01/22/1991 | CA1279360C Fluid circulated linear motor for robotic systems |
| 01/15/1991 | US4985651 Linear motor with magnetic bearing preload |
| 01/15/1991 | US4984541 Valve stepping drive apparatus |
| 01/15/1991 | US4984480 Rolling rotor motor balancing means |
| 01/08/1991 | US4983893 Actuator with stepping motion function |
| 01/08/1991 | US4983868 Disengageable linear stepper motor |
| 01/02/1991 | EP0404965A1 Device for step-driving valves |
| 01/02/1991 | CN2068732U Pipe type linear motor |
| 01/01/1991 | US4981309 Electromechanical transducing along a path |
| 12/27/1990 | WO1990016109A1 Compact monophase electromagnetic solenoid |
| 12/20/1990 | DE3915623C1 Permanent magnet electrical machine - has magnetic flow direction crossing direction of motor movement and permanent magnetic excitation |
| 12/19/1990 | EP0403262A2 Electro-magnetic actuator and optical disk |
| 12/12/1990 | EP0243425B1 Current converter-fed synchronous machine with permanent magnet excitation |
| 12/12/1990 | CN1010824B Non-contacting linear drive |
| 11/27/1990 | US4973892 Energization system for linear motor transient reduction |
| 11/27/1990 | CA1277030C Linear motor |
| 11/20/1990 | US4972108 High specific thrust linear motor |
| 11/14/1990 | EP0397322A2 An actuator magnetic circuit and method therefore |
| 11/14/1990 | CN1010451B Self-levitating type dc linear motor |
| 11/13/1990 | US4970421 Electric machines |
| 11/01/1990 | WO1990013171A1 Linear actuator |
| 10/31/1990 | EP0394268A1 Motorised faders. |
| 10/31/1990 | DE4003114A1 Dielektrisches mikromechanisches element Dielectric micromechanical element |
| 10/31/1990 | CN1010245B Polymer of unusual materials and their manufacturing methods |
| 10/30/1990 | US4967296 Lightweight, rigid, compact configuration for the voice coil, carriage and printed circuit cable in a disc drive |
| 10/24/1990 | EP0393994A2 A linear driving apparatus |
| 10/23/1990 | US4965864 Linear motor |
| 10/17/1990 | CN2064131U 直线电动机 Linear motor |
| 10/16/1990 | US4963809 Linear step motor type driving apparatus for driving a longitudinally movable body |
| 10/16/1990 | US4962583 Tunnel type or dragon-gate type processing system assembled with selected elements and its related interface means |