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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05/20/1998 | EP0842890A1 Cranes with traversable trolleys |
05/20/1998 | DE19645873A1 Arrangement for monitoring the reference position of a rotor of a planar stepper motor |
05/20/1998 | CN1182506A Linear motor |
05/20/1998 | CN1182301A Energy conversion device using permanent magnets |
05/20/1998 | CN1182043A Elevator car door system |
05/13/1998 | EP0841293A1 Optimization of magnetizing current in linear induction motors |
05/13/1998 | EP0841290A1 Linear induction motor for driving elevator car doors |
05/13/1998 | EP0841287A1 Secondary guidance system for linear induction motor |
05/13/1998 | EP0841286A1 Linear induction motor door operator |
05/13/1998 | EP0841285A1 Elevator car door system |
05/12/1998 | US5751089 Brushless DC motors/generators |
05/12/1998 | US5751077 Fluid-cooled linear motor armature |
05/12/1998 | US5751076 Drive system for lifts |
05/12/1998 | US5751075 Magnet assembly for linear motor |
05/07/1998 | WO1998019386A1 Two-wire brushless dc motor control system |
05/07/1998 | DE19650360A1 Drive unit for machine tool |
05/06/1998 | EP0840309A2 Optical disc system having current monitoring circuit with controller for laser driver and method for operating same |
05/06/1998 | EP0840301A2 Isolation apparatus for use in disc drive system to mitigate effects of undesired mechanical forces and disc drive system including same |
05/06/1998 | EP0840300A2 Optical disc system having improved circuitry for performing blank sector check on readable disc and method for operating same |
05/06/1998 | CN1038289C 线性马达 Linear motors |
05/05/1998 | US5748578 Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same |
05/05/1998 | US5748410 Slotted flex circuit for a disk drive actuator |
05/05/1998 | US5747952 Linear motor, apparatus, armature coil current supply circuit for linear motor, and method of supplying current to armature coil of linear motor |
05/05/1998 | US5747780 Apparatus for conveying and processing a wafer in a physically contact-free state |
05/05/1998 | CA2078870C Electromagnetic actuator |
05/04/1998 | CA2211821A1 Swing system for a surface mining shovel |
04/30/1998 | WO1998018195A1 Linear drive and process for manufacturing a passive unit for a linear drive, and device for carrying out the process |
04/30/1998 | WO1998018194A1 Linear drive with a modular design and process for manufacturing an active unit for such a linear drive |
04/30/1998 | WO1998018193A1 Modular direct driving device and method for manufacturing an active component of same |
04/30/1998 | WO1998018192A1 Method for logging a mobile terminal into a wireless communications system |
04/30/1998 | WO1998018068A1 Regulating unit for a multiphase direct drive and method of modulating such a drive |
04/30/1998 | WO1998018067A1 Regulating unit for a multiphase direct drive and process for controlling such a drive |
04/30/1998 | DE19643521A1 Linearantrieb in Modulbauweise und Verfahren zur Herstellung einer Aktiveinheit eines solchen Linearantriebs Linear drive of modular construction and method for producing an activated unit of such a linear drive |
04/29/1998 | EP0838891A1 Energy conversion device using permanent magnets |
04/29/1998 | EP0838811A2 Analog to digital converter and assembly to normalize servo error signals and multiplex reference voltage inputs and digital outputs and optical drive system including same |
04/29/1998 | EP0838281A1 Device for transferring workpieces between processing stations |
04/29/1998 | EP0625031B1 360 degrees rotational and locking system for a pre-angled stump in an oral implantation |
04/28/1998 | US5744888 Multiphase and multipole electrical machine |
04/28/1998 | US5744879 Synchronous linear motor |
04/23/1998 | DE19748647A1 Electromagnetic drive system with integral travel signal generation |
04/23/1998 | DE19643519A1 Regeleinheit für einen mehrphasigen Direktantrieb und Verfahren zur Ansteuerung eines solchen Antriebes Control unit for a multi-phase direct drive and method for controlling such a drive |
04/23/1998 | DE19641879A1 Setting drive for machining, handling or measuring machine |
04/21/1998 | US5742136 For detecting movements of a slider of a linear pulse motor |
04/21/1998 | US5742106 Thermo-sensitive actuator and idle speed controller employing the same |
04/14/1998 | US5739975 Memory storage module for staring and accessing magnetically encoded data on linear tracks |
04/14/1998 | US5739608 Actuator for optical pickup |
03/31/1998 | US5732938 Actuation apparatus |
03/25/1998 | EP0830726A1 Electromagnetic actuator |
03/25/1998 | CN1177425A Electric machine |
03/24/1998 | US5731896 Microscope |
03/24/1998 | US5731642 Magnetic circuit structure in rotary actuator |
03/24/1998 | CA2127989C Ferromagnetic wire electromagnetic actuator |
03/24/1998 | CA2109700C Electromagnetic actuator |
03/18/1998 | EP0829952A2 Colpitts type oscillator having reduced ringing and optical disc system utilizing same |
03/18/1998 | EP0829887A2 Magnetic actuator with long travel in one direction |
03/18/1998 | EP0829869A2 Optical disc system having a current monitoring circuit for a magnetic bias coil and a controller for a laser driver and method for operating same |
03/18/1998 | EP0829861A2 Servo control system for information storage device |
03/18/1998 | EP0829860A2 Focus capture method for optical disc system using detection of Quad Sum signal |
03/18/1998 | EP0829859A2 Optical disc system including focus capture assembly with focus error signal circuit and method for operating same |
03/18/1998 | EP0829858A2 Optical disc system having servo motor and servo error detection assembly operated relative to monitored Quad Sum signal |
03/17/1998 | US5729511 Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal |
03/17/1998 | US5729067 Method and apparatus for closed loop position control in a linear motor system |
03/12/1998 | CA2189408A1 Magnetic actuator with long travel in one direction |
03/10/1998 | US5726542 Stage apparatus |
03/10/1998 | US5726508 Linear voice coil retractor |
03/03/1998 | US5723928 Induction motor and method of adjusting power factor of the same |
03/03/1998 | US5723917 Flat linear motor |
03/03/1998 | US5722930 Reciprocating pump circulatory assist arrangement |
03/03/1998 | US5722429 Connecting arrangement for medical device |
02/19/1998 | WO1998007228A1 Linear motor with improved coil design and heat removal |
02/18/1998 | CN1173762A Linear motor |
02/12/1998 | WO1998006166A1 Stator plate of a linear electric direct drive |
02/12/1998 | WO1997040573A3 Coil body for a direct drive, its process of production and core lamination for the coil body |
02/10/1998 | US5717261 For a high speed ground transportation vehicle |
02/10/1998 | US5717260 Rotor for a cylindrical linear motor |
02/10/1998 | US5716461 Functionally gradient permanent magnet actuators |
02/10/1998 | US5715590 Apparatus for making a slotless electric motor or transducer |
02/05/1998 | DE19727344A1 Linearstellglied Linear actuator |
02/05/1998 | DE19632399A1 Electro-mechanical transducer e.g. as AC or DC motor/generator |
02/05/1998 | DE19631106A1 Statorplatte oder Statorelement A stator plate or stator element |
02/04/1998 | EP0821596A1 Sealless rotary blood pump with passive magnetic radial bearings and blood immersed axial bearings |
02/04/1998 | CN1037308C Tubular linear motor primary element |
02/03/1998 | US5713136 Object measuring apparatus |
01/28/1998 | EP0820654A1 Linear motor |
01/27/1998 | US5712516 Stator-element for a linear-electrical-drive door provided with a stator-element as such |
01/22/1998 | DE19643518A1 Linear drive with active unit and passive unit also guide and control units e.g. for precision engineering |
01/21/1998 | EP0819334A1 Pressurized air-gap guided active linear motor suspension system |
01/15/1998 | WO1998001674A1 Linear compressor motor |
12/30/1997 | US5703422 Magnetic eccentric motion motor |
12/30/1997 | US5703420 Moving magnet type multi-phase linear motor with vibration suppression and coil cooling means |
12/30/1997 | US5703418 DC cooled linear motor |
12/30/1997 | US5703417 Linear motor for extended travel |
12/30/1997 | US5702430 Surgically implantable power supply |
12/23/1997 | US5701042 Linear direct current motor |
12/23/1997 | US5701039 Electromechanical transducing |
12/17/1997 | EP0813288A1 Segmented armature winding for DC electric machine |
12/17/1997 | EP0723717B1 Electromagnetic actuator having a cylindrical translation coil and a toroidal rotation coil, actuator unit comprising the actuator and a measurement system, and machine comprising the actuator or the actuator unit |
12/16/1997 | US5698911 Voice coil motor |
12/16/1997 | US5698910 Electromagnetic actuator with position sensor |
12/11/1997 | DE19622809A1 Lifting and rotating device e.g. for special precision machines |