Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type
Patent
1992-02-18
1994-01-04
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Superconductive type
335301, 335304, H01F 722
Patent
active
052764192
ABSTRACT:
A device to guide, shape, contain, or concentrate magnetic flux comprises a tube or conduit made of superconducting material to constrain the path of magnetic flux and guide it to a target volume. Below the transition point the material exhibits no resistance to electrical current flow and is impermeable to magnetic flux. In one embodiment, the superconducting material is configured into a cylindrical tube. Upon entrance into the tube the magnetic flux generated by a magnet is constrained to remain between the walls of the tube until it exits the open end where the flux passes through a target volume. In another embodiment, the magnet is situated between two hollow U-shaped arms of superconducting material. The target is situated between the opposite arms of the superconducting material. Magnetic flux generated by the magnet is confined within the U-shaped arms of the superconducting material and passes through the target volume.
REFERENCES:
patent: 3317286 (1967-05-01), Sorbo
patent: 3331041 (1967-07-01), Bogner
patent: 3378691 (1968-04-01), Swartz
patent: 4409579 (1983-10-01), Clem et al.
Griffin Joseph T.
Iden Steven M.
Franz Bernard E.
Kundert Thomas L.
Picard Leo P.
Ryan Stephen
The United States of America as represented by the Secretary of
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