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)
09/1978
09/26/1978US4117356 Rotor for stepping motor
09/26/1978CA1039372A1 Circuit arrangement for a trackbound propulsion vehicle
09/19/1978US4115712 High power and high speed linear motor
09/12/1978US4114060 Electric motor
08/1978
08/22/1978CA1037110A1 Rectifier controlled electric rotating or traveling field machine
08/15/1978US4107558 Linear induction motor assembly
08/01/1978US4104548 Electric motor for general purposes (II)
07/1978
07/11/1978US4100558 Automatic-exposure control device for optical instruments
07/04/1978US4099106 Composite pulse motor for a timepiece
06/1978
06/13/1978US4095150 Two-phase asynchronous motor
05/1978
05/02/1978US4087729 Position finely adjusting apparatus
03/1978
03/28/1978US4081774 Actuating device
03/28/1978US4081726 Electric motor
03/28/1978US4081702 Stepping motor
03/14/1978US4079400 Optical blade drive apparatus
03/07/1978US4077507 Metal sheet conveyor with linear electric motor and ground-effect shoe
02/1978
02/28/1978US4075948 Rapid transit system
02/21/1978US4075539 Step-by-step reciprocating mechanism
02/21/1978US4075517 Linear actuator
02/14/1978US4074160 Rotary electric machines
02/07/1978US4072315 Turntable direct-drive system
12/1977
12/27/1977US4064808 Armature rails and rail carrying arrangement for attraction type magnetically floated travelling body
12/13/1977US4062767 Material handling system
12/06/1977US4061089 Personal rapid transit system
09/1977
09/27/1977US4051499 Linear motor-driven focal plane shutter
09/27/1977US4051398 Coil means for driving a linear motor
09/20/1977USRE29411 Harmonic drive for digital step motor
09/20/1977US4049983 Electromagnetic levitation
08/1977
08/23/1977US4044274 Transmission system
08/09/1977US4040681 Magnetically levitated object
08/02/1977US4039907 Thrust control circuit
07/1977
07/19/1977US4037122 Linear actuator
06/1977
06/14/1977US4029020 Magnetically levitated vehicle with module construction of suspension and propulsion means
06/07/1977US4027597 Linear induction motor with damping cage
04/1977
04/26/1977US4020374 Superconducting electric motors
04/26/1977US4020370 Electric motor for general purposes
04/12/1977US4017001 Electromagnetic system for propulsion and programmed positioning
04/05/1977US4016441 Linear motor
04/05/1977US4015540 Electromagnetic transportation system
03/1977
03/22/1977US4013906 Electromagnetic levitation
03/22/1977US4013014 Circuit arrangement for a track-bound propulsion vehicle
03/15/1977US4012676 Device for driving recorders and printing carriages in data recorders
02/1977
02/01/1977US4006373 Staggered motor core
02/01/1977US4006372 Transducer positioner
12/1976
12/21/1976US3999107 Self-starting synchronous motor
12/14/1976US3996858 Linear solenoid motors
11/1976
11/02/1976US3990029 Insulated windings provided with a mould releasing material
10/1976
10/19/1976US3987473 Electromagnetic focal plane shutter
10/19/1976US3987321 Linear induction converters
10/05/1976US3984706 Electromagnetic actuator for voice coil
07/1976
07/27/1976US3971963 Electomagnetic rotary motion device and exposure control device using the same
07/27/1976US3971537 Adjustable track mounting device in rail system for magnetic-suspension vehicles
07/13/1976US3969574 Tubular player arm for an optical recording and reproducing device with drive coil and tachogenerator coil on other end
07/06/1976US3967561 Linear-induction motor especially for high-speed suspension vehicles
06/1976
06/22/1976US3965377 Linear force generator
06/15/1976US3963882 Boron or graphite reinforced voice coil and manufacturing process
06/01/1976US3960090 Linear synchronous motor powered vehicle
05/1976
05/18/1976US3958138 Linear induction motors
05/04/1976US3954064 Rapid transit system
05/04/1976US3954037 Linear motor band saw
04/1976
04/13/1976US3950661 Linear induction motor with artificial transmission line
03/1976
03/02/1976US3942050 Linear motor winding
02/1976
02/24/1976US3940676 Damping control for positioning apparatus
02/10/1976US3937431 Postioning apparatus for tracked transport vehicles with linear motor propulsion
02/10/1976US3937149 Rail system for magnetic-suspension vehicles
01/1976
01/20/1976US3934183 Linear reluctance motor for the propulsion of rail transportation means
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