Abstract: A levitation-magnetic-force generating apparatus for linear motor cars including a plurality of electromagnets having a one and single core. The core comprises two plate-like side iron cores arranged in parallel with each other and separated from each other by a gap and a plurality of center iron cores located between the two side iron cores and separated with each other by another gap. Both side edges of each center iron core are fixed to the side iron cores by welding. Each of the center iron cores has a magnetic coil wound around the periphery thereof. The core is mounted in a truck body of a body of the linear motor car so that the longitudinal axis of the core is directed in parallel to the moving direction of the car's body.

Abstract: The improved support and guidance system includes a super conductor mounted in a vehicle and positioned to be above and on both sides of the upper end of a rail. The super conductor is provided with a housing and an iron core or shield is positioned within the housing to shield and shunt the return flux of the magnet so that the fringe field does not extend into the vehicle. In the preferred form of the invention, the rail in transverse section has an upper central flat surface with two concave surfaces extending to either side. The super conductors are positioned above and generally parallel to the concave surfaces of the rail. The iron shield has a horizontal central portion above the flat top of the rail and side bulbous portions on either side immediately above and to the side of the super conductors. The invention has application to the magnetic support and guidance system, the vehicle with the guidance system thereon and the combination of such vehicle with the rails.

Abstract: In a transporting system for transporting cargo to a predetermined position, a carrier is located above rails and a first support plate is located under the rail and is coupled with the carrier by a pair of columns. A second support plate is rotatably coupled by a coupling mechanism. Four magnetic floating assemblies are so disposed on the first and second plates as to face the rails and a control unit is disposed on the first support plate. The carrier is floated by an attractive force produced between the rail and the magnet units of the assemblies. A gap sensor of each of the assemblies generates an output signal corresponding to a gap between the rails and the magnet unit and a current supplied to the magnet unit is also detected by a current detector. The outputs from the gap sensor and the current detector is fed as feedback signal to an operational circuit of the control unit.

Abstract: On a track for electromagnetically levitated vehicles, to adjust and secure side guide rails on a beam-like support member forming the track, after stators are adjusted and fixed to the support member, the side guide rails are held in position relative to the support member. Initially, the guide rails are positioned relative to the track and then are adjusted with respect to a datum plane determined by the lower surfaces of the stators. Next, the guide rails are adjusted horizontally transversely of the track with respect to measuring points fixed to the surface of the support member. Finally, the guide rails are attached to the support member. Apparatus for installing the guide rails includes a plurality of installation truss frames mounting assembly arms for holding the guide rails. Each assembly arm has a holding device for a guide rail and an abutment positionable against a lower surface of the stators.

Abstract: An apparatus designed to move mass without contact is described. The apparatus contains a chamber which is formed by alternating sections of superconducting material and electromagnetic coils. The chamber is cooled to below the critical temperature of the superconducting material, and a magnetic object is disposed in the center of the chamber. A series of coils along the chamber are sequentially energized by direct current to form electromagnetic fields. The sequence and direction of these fields causes the movement of the magnetized object within the chamber.

Abstract: An attraction type magnetic levitation vehicle system includes a magnetic rail laid on the side of a track and a levitation vehicle having a supporting electromagnet and a guide electromagnet each having a plurality of magnetic poles arrayed along the track. A magnetic pole surface of each of the plurality of magnetic poles is in opposing relationship to a surface of the magnetic rail, respectively. The magnetic pole surface of at least one of the supporting and guide electromagnets and the surface of the magnetic rail opposing the magnetic pole surface is in the form of a rectangular waveform having a plurality of alternating groove-and-teeth pairs arranged at a predetermined pitch. The distances from one of the plurality of magnetic poles each having the rectangular-wave-shaped magnetic pole surface of the remaining magnetic poles are staggered by less than one pitch from an integer multiple of the predetermined pitch.

Abstract: A levitation, propulsion and guidance mechanism for an inductive repulsion-type magnetically levitated railway in which a vehicle runs along a track bed has superconducting coils fixedly arranged vertically on both sides of the truck of the vehicle at predetermined intervals therealong in a direction of travel of the vehicle. Propulsion coils are arranged on opposed walls of the track bed at predetermined intervals therealong in the direction of travel of said vehicle, and a propulsion power supply is connected to the propulsion conductor coils. Levitation-guidance conductor coils, each comprising upper and lower conductor coils positioned to have vertical symmetry, are disposed on sides of the propulsion conductor coils facing the superconducting coils and are arranged at predetermined intervals along the direction of travel of the vehicle.

Abstract: On a track for electromagnetically levitated vehicles, side guide rails are positioned on and secured to a beam-like support member forming the track by an apparatus made up of a transportation frame extending in the long direction of the support member and by installation truss frames located on and extending transversely of the transportation frame. Side guide rail installation arms are pivotally mounted on the installation truss frames. With the arms in an outward position the guide rails can be placed on and held by the arms. By pivoting the arms inwardly the side guide rails can be located along the outer sides of the support member. By raising the installation truss frame, the guide rails can be located relative to stators mounted on the underside of the support member. In addition, the final position of the guide rails can be established by moving the installation truss frames transversely of the transportation frame and relative to a plate strip on the upper surface of the support members.

Abstract: A conveyor system for transporting wafers to and from different work stations in a clean-controlled environment includes a platform being magnetically levitated above a U-shaped rail by a magnetic cushion provided by first magnets on the platform and the rail, the first magnets having their magnetic poles arranged to repel one another. A nonmagnetic tube within which is a free-sliding magnetic piston of the same polarity as the first magnets extends along the center of the track. A second magnet is disposed on the platform such that its polarity will repel (or attract) the piston magnet such that as the pressure differential in the tube is changed the piston magnet slidably moves within the tube and pushes (or draws) the platform along the track with it.

Abstract: Disclosed is a single, integrated linear synchronous unipolar motor having high-energy permanent magnets operable along a substantially linear demagnetization curve and a polyphase coil. Collectively, the permanent magnets and polyphase coil provide for propulsion, suspension, braking and lateral control of a vehicle along a passive reaction rail. The permanent magnets provide the primary force for suspending the vehicle from the guideway, with a DC field control coil controlling the suspension gap between the vehicle and the reaction rail. The polyphase coil propels the vehicle along the track at a speed dependent upon the voltage and frequency of the supplied signal. The motor exhibits a high power factor and efficiency factor, resulting in a motor that can be operated from a power source having a lower KVA rating than that required for previous linear motor arrangements and that can be used in concert with a low-cost, passive guideway.

Abstract: A rail vehicle with spring support of its car body on an underframe with flanged wheels for guidance and support on a track. Permanent magnets are provided on the underframe, which exert an attraction counter to the wheel load on armature bars extending along the track. The magnetic force of the magnets is controllable as a function of the load (weight) of the car body by an increase or decrease of the magnetic resistance of a ferromagnetic magnet core by mechanical means as the load decreases or increases.

Abstract: A levitation-propulsion mechanism for an inductive repulsion type magnetically levitated railway having a vehicle with a truck and a track with a U-shaped cross-section with spaced opposed walls between which the truck runs, has a plurality of vertically positioned superconducting coils on both sides of the truck at intervals therealong in the direction of travel of the vehicle. Guidance coils are mounted on the inside surfaces of the walls of the track at intervals therealong in the direction of travel of the vehicle and opposed to the corresponding superconducting coils. Upper and lower levitation coils are positioned adjacent to the guidance conductor coils and opposed to the superconducting coils, the upper and lower coils being symmetrically positioned above and below, respectively, a horizontal line through the center of the guidance coils, and the upper and lower conductor coils are null-flux connected in a closed circuit.

Abstract: A magnetic suspension for a vehicle, includes a guide rail vertically mounted on a track and an underframe having a magnetic system surrounding lateral sides of the guide rail on which are mounted strips of permanent magnets. The magnetic system of the underframe also comprises strips of permanent magnets installed on the lateral sides of the underframe facing toward the guide rail, the strips of permanent magnets being installed with a spacing equal to the spacing of the strips of the guide rail, and the polarities of pole facets of the strips facing toward one another being different.

Abstract: A floating apparatus for use in an attractive floater railway includes a magnetic rail mounted on the underside of a track. The magnetic rail comprises sheets of ferromagnetic material laminated together and is formed to have a cross section in the shape of a trapezoid or a quadrant of a circle with faces of the rail including a horizontal surface and a vertical surface. A guiding electromagnet is disposed opposite to the vertical surface and a supporting electromagnet is disposed opposite to the horizontal surface. The electromagnets are mounted on a truck and are constructed such that the respective fluxes thereof flow in opposite directions in the magnetic rail. The magnetic rail may include a magnetic propulsion rail opposite to a linear inductor machine to provide both vertical support and horizontal propulsion to the truck.

Abstract: A superconducting magnet, applied for a train side permanent magnet for a magnetically levitated train as one embodiment of the invention, comprises a coil structure including a superconducting wire wound into a form of a race track and impregnated with epoxy resin, an annular vessel member accommodating the coil structure, and a spacing member rigidly mounted in the vessel member so as to divide the interior thereof into first and second spaces. The coil structure is securely sealed in the first space, and the second space constitutes a liquid helium path.

Abstract: A magnetic suspension railroad magnetically active part is made of steel with the following composition:0 to 0.15--% carbon,0 to 0.045--% phosphorus,0 to 0.008--% nitrogen,0.75 to 2.0--% silicon,0.15 to 1.00--% manganese,0.02 to 0.07--% aluminum, soluble,0.25 to 0.55--% copper,0.65 to 1.00--% chromium,Remainder--iron with unavoidable impurities.

Abstract: An electromagnetic suspension vehicle has an electromagnet system for suspending and guiding the vehicle along a track, the electromagnet being elastically suspended so as to be able to move generally parallel to itself transversely of the direction of travel.