Magnetic levitation actuator

Details Magnetic levitation actuator Magnetic levitation actuator

1991-06-07

1993-09-14

Le, Mark T.

Railways

Magnetically suspended car

104283, 104291, 104294, 369215, G11B 700

Patent

active

052439194

ABSTRACT:
A magnetic levitation actuator includes a pair of U-shaped first permanent magnets provided on opposite sides of an object to be driven with a pair of outwardly projecting first legs defining the U-shape. A pair of guide rails are spaced apart from the object on opposite sides thereof, and a pair of U-shaped second permanent magnets are provided on associated guide rails and extend along the guide rails. Each of the second permanent magnets is provided with a second pair of legs defining the U-shape of the associated second magnets and opposed to the associated first legs of the first magnets with a predetermined gap therebetween. The first legs and second legs, which are opposed to each other, have opposite polarities to produce a magnetic attraction therebetween.

REFERENCES:
patent: 4185836 (1980-01-01), Taylor et al.
patent: 4570249 (1986-02-01), Malissin et al.
patent: 4704712 (1987-11-01), Siryi
patent: 5050157 (1991-09-01), Miura et al.
patent: 5121016 (1992-06-01), Wachi

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