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)
07/1994
07/12/1994US5329267 Magnet assembly and a voice coil motor using such magnet assembly
07/12/1994US5327637 Process for repairing the winding of an electrical linear drive
07/05/1994US5327060 Positioning device using Lorentz forces
06/1994
06/30/1994DE4342717A1 Image stabilisation device for optical appts., e.g. microscope
06/30/1994DE4342538A1 Optical microscope for operations
06/28/1994CA2004194C Linear motor supporting apparatus for vehicles
06/22/1994EP0523042B1 Ultrafast electro-dynamic x, y and theta positioning stage
06/21/1994US5323073 Method for manufacturing a clad metal column for a linear motor
06/15/1994EP0467943B1 Linear actuator
06/15/1994CN2169243Y Linear DC motor with multiple electrodes
06/09/1994WO1994013055A1 Stator-element for a linear-electrical-drive, door provided with a stator-element as such
06/08/1994EP0600759A1 Linear electromagnetic induction machine with an optimised magnetic-flux distribution and application
06/08/1994CN1024965C Disc drive having improved linear actuator
06/07/1994US5319624 Electromagnetic actuator and optical disk apparatus incorporating the same
06/07/1994US5319577 Orientation sensing system and method for a spherical body
06/07/1994US5319275 Magnetic levitation self-regulating systems having enhanced stabilization forces
06/07/1994US5319270 Electric motor
06/01/1994EP0599331A1 Elevator driven by linear motor
06/01/1994CN1024777C Elevator with linear motor
05/1994
05/31/1994US5317552 Linear actuator for driving an optical head incorporated in an optical disk
05/31/1994US5317222 Workpiece transporter device with replaceable grip
05/31/1994US5317221 Linear driving device
05/31/1994US5317220 Linear DC motor
05/31/1994US5315751 Method of fabricating a combined linear-rotary direct drive step motor
05/26/1994WO1994011942A1 Ferromagnetic wire electromagnetic actuator
05/26/1994DE4339791A1 Drive device for industrial robot - has rotor supported by resilient mounting and rotated via armature to rotate eccentric shaft
05/24/1994US5315466 Magnetic disk unit having reduced profile and/or faster seek speed
05/24/1994US5315189 Actuator with translational and rotational control
05/11/1994WO1994010742A1 Electromechanical converter device producing linear motion
05/11/1994WO1994010737A1 Two-dimensional pointing motor
05/11/1994WO1994010003A1 Arrangement for the inductive transfer of energy to movable consumers
05/11/1994EP0595866A1 Motion imparting apparatus
05/11/1994DE4303125C1 Piezoelectric setting drive circuit for precision positioning of cutting tool - with auxiliary setting drive providing detected movement used to linearise movement of controlled setting element
05/10/1994US5311092 Lightweight high power electromagnetic transducer
05/10/1994US5310064 Method and apparatus for sorting component parts of an assembly process
05/05/1994DE4236340A1 Anordnung zur individuellen berührungslosen Energieübertragung auf bewegbare Verbraucher Arrangement for individual contactless energy transfer to movable consumer
05/04/1994EP0595785A1 Electro-magnetic actuator and optical disk
05/04/1994EP0595428A1 Material handling car and track assembly
05/04/1994EP0594757A1 Electromagnetic apparatus for producing linear motion
05/03/1994US5309050 Ferromagnetic wire electromagnetic actuator
05/03/1994US5309049 Alternating current magnetic levitation transport system
05/03/1994US5309041 Nutating step motor
04/1994
04/29/1994CA2109355A1 Material handling car and track assembly
04/28/1994WO1994009553A1 Motor and/or generator working on the reluctance principle
04/28/1994WO1994009552A1 Multi-phase electric machine with prefabricated conductor strands
04/28/1994WO1994009548A1 Electric operated tracked vehicle
04/28/1994WO1994009490A1 Flux generator for a rotary actuator motor with an integrated actuator latch for a disk drive
04/28/1994WO1994008837A1 Battery operated tracked vehicle
04/27/1994CN1024335C Elevator with linear motor
04/27/1994CN1024334C Linear motor elevator
04/26/1994US5306996 AC/DC stepped drive system
04/19/1994US5304886 Printed circuit motor
04/13/1994CN2162033Y Non-rotating linear motor
04/12/1994US5302873 Linear pulse motor having a high resolution
04/12/1994US5302872 Linear magnetization mover motor due to linear force resulting from the interaction between magnetostatic induction element and electromagnetic coil
04/07/1994DE4243302C1 Linear electric motor with extended and variable stroke - has ferromagnetic moving bar armature responding to EM control of flux path affording low inertia and fast response.
04/05/1994US5300846 Lamination support for a linear motor
04/05/1994US5299662 Linear motor elevator having hybrid roping and stationary primary
03/1994
03/31/1994WO1994006369A1 360 degrees rotational and locking system for a pre-angled stump in an oral implantation
03/29/1994US5298819 Winding arrangement for a tubular linear motor
03/29/1994US5297658 Roller cam adjuster for linear motors
03/22/1994US5296988 Optical head with an adjusting mechanism for adjusting the position of an optical mirror
03/22/1994US5296767 Efficient magnetic motor armatures
03/17/1994WO1994006198A1 Quasi square-wave back-emf permanent magnet ac machines with five or more phases
03/15/1994US5295031 Rotary positioning apparatus
03/15/1994US5294850 Electromagnetic accelerator in flat coil arrangement
03/15/1994US5293824 Ground coil for magnetically levitated railway
03/15/1994CA2006643C Electric motor having a main axle and eccentric axles
03/09/1994EP0585763A1 Method and device for fixing stators to a magnetic levitation transport system by means of bolting
03/09/1994EP0585452A1 Electromagnetic actuator
03/08/1994US5293290 Stackable linear actuator using embedded coil carriages
03/02/1994CN1083280A 直线电机 LIM
03/01/1994US5291112 Positioning apparatus and movement sensor
03/01/1994US5290227 Method of implanting blood pump in ascending aorta or main pulmonary artery
02/1994
02/23/1994EP0583864A1 Pneumatic/electric actuator
02/23/1994EP0583530A1 Electric motor
02/22/1994US5289088 DC linear motor
02/22/1994US5289069 Brushless motor
02/22/1994US5289065 Zero air gap orbiting gear stepper motor
02/16/1994EP0583087A2 high-force linear motor assembly using tandem axes
02/08/1994US5284411 Conveyor for conveying workpieces in a vacuum chamber
02/08/1994US5284076 Device for the non-circular machining of workpieces
02/03/1994DE4234145C1 Mehrphasige elektrische Maschinem mit vorgefertigten Leitersträngen und Verfahren zu ihrer Herstellung Multiphase electric Maschinem with prefabricated conductor strands and process for their preparation
01/1994
01/27/1994DE4300440A1 Multiple track transversal flux machine with ring coils - has stator and rotor formed from several track-wise identical units to allow high rotor speed and/or large diameter
01/18/1994US5280225 Method and apparatus for multi-axis rotational motion
01/18/1994US5280211 Motor and/or generator operating according to the reluctance principle
01/12/1994EP0446378B1 Manipulator using flat pulse motor
01/11/1994US5277744 Friction welder having a drive which produces orbital motion
01/11/1994US5277353 Stud welding device
01/11/1994US5277125 Material handling car and track assembly having opposed magnet linear motor drive and opposed permanent magnet brake assembly
01/06/1994WO1994000743A1 Scanning fabry-perot spectrometer
01/04/1994US5276293 Tubular linear motor primary element
12/1993
12/22/1993EP0574960A2 Electric rotating motor
12/21/1993WO1993001577A1 Motion imparting apparatus
12/21/1993CA2113340A1 Motion imparting apparatus
12/15/1993EP0394268B1 Motorised faders
12/14/1993US5270625 Pneumatic/electric actuator
12/14/1993US5270593 Air cored, linear induction motor for magnetically levitated systems
12/02/1993DE4217357A1 Linear motor e.g. for machine tool or warp loom - has stator of toroidal coils alternating with annular laminations and rotor of conductor rings alternating with laminations
11/1993
11/25/1993WO1993023918A1 Variable reluctance drive system
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