Large gap magnetic suspension system with superconducting coils

Details Large gap magnetic suspension system with superconducting coils Large gap magnetic suspension system with superconducting coils

1992-07-31

1994-07-26

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Superconductive type

335299, 310 905, 361144, H01F 100, H02K 709, H01H 4700

Patent

active

053329872

ABSTRACT:
A magnetic suspension system and a procedure for operating the system employ a superconducting magnet having a lift coil assembly for developing a magnetic field to interact with the magnetic field of an object to be supported about the superconducting magnet. Smaller and larger magnet coils are provided in the superconducting magnet with counter rotating flow of current to introduce a depression in a potential energy surface above the superconducting magnet, this allowing the object to seek a height at the depression for stably locating the object. The system and methodology employs a set of control coils which are energized to orient and to translate the object to maintain a desired position and orientation. Pairs of the control coils are energized to produce a tilting of the object, as in roll or pitch, or a displacement of the object relative to the vertical axis.

REFERENCES:
patent: 2566221 (1949-05-01), Lovell
patent: 2686865 (1954-08-01), Kelly
patent: 3370205 (1965-09-01), Dukes
patent: 3512852 (1970-05-01), North
patent: 3815963 (1974-06-01), Wilk
patent: 4554610 (1985-11-01), Metz
patent: 4585282 (1986-04-01), Bosley
patent: 5168183 (1992-12-01), Whitehead

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