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)
04/1995
04/25/1995US5410201 Electric Motor
04/25/1995US5410199 Vertically carrying superconduction motor
04/25/1995US5409356 Well pumping system with linear induction motor device
04/05/1995EP0626109A4 Ferromagnetic wire electromagnetic actuator.
04/05/1995CN2194046Y Multipole homopolar electromagnetic thruster
04/05/1995CN1101163A Permanent magnet control means
03/1995
03/29/1995EP0645877A1 Linear motor
03/29/1995EP0645876A1 Linear pulse motor
03/28/1995US5402049 System and method for controlling a variable reluctance spherical motor
03/28/1995CA1334991C Electromagnetic actuator
03/22/1995EP0644645A2 Slotless electric motor or transducer and method for making same
03/22/1995EP0585452A4 Electromagnetic actuator.
03/21/1995US5399952 Electromagnetic drive system with integral position detector
03/21/1995US5399930 Magnetic actuator
03/15/1995EP0643470A1 Linear motor
03/15/1995EP0643469A1 Apparatus for rotating a load carrying base
03/15/1995CN2192097Y DC brushless linear motor
03/08/1995EP0641501A1 Variable reluctance drive system.
03/07/1995US5396140 Parallel air gap serial flux A.C. electrical machine
02/1995
02/28/1995US5394321 Quasi square-wave back-EMF permanent magnet AC machines with five or more phases
02/09/1995DE4326124A1 Multiphase electrical machine having subdivided, single-phase sectors
02/07/1995US5388086 Electro-magnetic actuator for driving an objective lens
02/07/1995US5387854 Method of torque notch minimization for quasi square wave back EMF permanent magnet synchronous machines with voltage source drive
02/01/1995EP0636561A1 Transport system
01/1995
01/19/1995DE4402384C1 Method and arrangement for determining the reference position of planar hybrid stepping motors
01/17/1995US5382860 Electromagnetic pump stator core
01/17/1995US5382851 Swing-type actuator
01/04/1995EP0632568A1 Positioning table device
01/03/1995US5378951 To be driven by 3-phase electrical power
12/1994
12/28/1994EP0630840A1 Conveyor, with linear-motor drive and carriers which circulate around a track
12/28/1994EP0414702B1 Voice coil actuator
12/27/1994US5376851 Variable reluctance motor with full and short pitch windings
12/27/1994US5375531 Composite superconductor body and magnetic levitation system
12/21/1994EP0630096A1 Motive power generating device
12/13/1994US5373120 Linear door motor system for elevators
12/08/1994WO1994028616A1 Method of torque notch minimization for quasi square wave back emf permanent magnet synchronous machines with voltage source drive
12/08/1994CA2161672A1 Method of torque notch minimization for quasi square wave back emf permanent magnet synchronous machines with voltage source drive
11/1994
11/30/1994EP0626335A1 Linear motor driven elevator and its guide rail
11/30/1994EP0626109A1 Ferromagnetic wire electromagnetic actuator.
11/29/1994US5368425 Multi-axis linear motor positioner with Y-axis supported at single end
11/24/1994DE4313732A1 Magnetic wheel for driving vehicles on a rail
11/23/1994EP0625031A1 360 degrees rotational and locking system for a pre-angled stump in an oral implantation
11/23/1994CN1095527A Magneto-resistance stepping linear motor
11/22/1994US5367398 Optical atmospheric link system
11/22/1994US5367277 Electromagnetic energy converter
11/17/1994EP0624286A1 Brushless dc motors/generators.
11/17/1994DE4315818A1 Slide drive for machines and devices for parts working, parts assembly and the like
11/15/1994US5365131 Linear motor primary
11/15/1994US5363937 Battery operated tracked vehicle
11/10/1994WO1994026020A1 Linear actuator
11/10/1994WO1994026019A1 Linear transducer
11/09/1994EP0623431A1 Device for cutting a continuous paper web and method for operating the same
11/09/1994EP0623254A1 Ac machine
11/09/1994CN1094869A Linear pulse electric motor
11/09/1994CN1094820A Linear electromagnetic driving apparatus and use of same for lens adjustment
11/08/1994US5361965 Secondary coil plate for linear motor and producing method of the same
11/02/1994EP0622887A1 Linear pulse motor
11/02/1994EP0554243B1 Motor and/or generator operating on the reluctance principle
10/1994
10/26/1994EP0455632B1 Linear motor propulsion system
10/26/1994CN1094177A Rotary information recording/reproducing apparatus
10/25/1994US5359245 Guide unit and a direct drive unit on which it is equipped
10/18/1994US5357158 Direct current linear motor and a direct drive unit on which it is equipped
10/13/1994DE4412213A1 Linear motor
10/12/1994EP0619641A1 Stepper motor
10/12/1994EP0619640A2 Variable reluctance motor
10/12/1994EP0619639A1 Electronically commutated synchronous driving motor
10/12/1994EP0619253A1 Methods and apparatus for transporting and positioning micro-mechanical parts
10/05/1994EP0618664A2 Linear electromagnetic driving apparatus and use of same for lens adjustment
10/04/1994US5352946 Linear motor suspension system
09/1994
09/27/1994US5349742 Method of making a secondary for use in induction motors
09/21/1994EP0616412A1 Electromechanical transducer for vehicle suspension
09/20/1994US5349256 Linear transducer
09/14/1994EP0614844A2 Linear door motor system for elevators
09/14/1994CN1025912C Passenger conveyor and treadboard construction for passenger conveyor
09/13/1994US5346345 High-force linear motor assembly using tandem axes
09/07/1994EP0614265A2 Actuator with translational and rotational control
09/07/1994EP0318484B1 System for using synchronous secondaries of a linear motor to biaxially draw plastic films
09/06/1994US5345206 Moving coil actuator utilizing flux-focused interleaved magnetic circuit
09/06/1994US5345131 Electric motor with combined permanent and electromagnets
09/06/1994US5345047 Joining segments of the secondary in a linear motor driven elevator apparatus
09/01/1994DE4305274A1 Long stator (elongated stator, longitudinal stator) linear motor
08/1994
08/31/1994EP0612677A1 Transporting system for metallic plates and strips
08/23/1994US5341054 Low mass electromagnetic actuator
08/23/1994US5341053 Linear motor with permanent magnets
08/23/1994CA2000556C Capacitively commutated brushless dc servomotors
08/18/1994WO1994018741A1 Multiphase electric machine with offset multipolar electric pole units
08/16/1994US5338993 Motor apparatus
08/11/1994DE4302807A1 Multiphase electrical machine having electrical pole units which are arranged offset and are structurally identical
08/10/1994EP0609633A1 Linear motor suspension system
08/03/1994EP0608242A1 Synchronous linear drive with electromagnetic energy transfer
08/02/1994US5334892 Positioning device for planar positioning
08/02/1994US5333553 Carriers for linear motor vehicle-borne field magnets which straddle ground-side coils
07/1994
07/27/1994EP0608008A2 Linear motor
07/26/1994USRE34674 Linear motor
07/21/1994DE4301434A1 Linear guide arrangement with compensation for mechanical stresses
07/20/1994EP0606974A1 Laminated electromagnetic pump stator core
07/20/1994EP0606973A1 Electromagnetic pump stator coil
07/20/1994EP0606972A1 Electromagnetic pump stator core
07/19/1994US5331469 Precision linear actuator
07/13/1994CN2171947Y Linear electric motor
1 ... 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 ... 101