Magnet lead assembly

Details Magnet lead assembly Magnet lead assembly

1984-06-04

1986-11-25

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Superconductive type

174 15CA, H01F 722

Patent

active

046251936

ABSTRACT:
A lead assembly provides an electrical connection between a magnet coil maintained at low temperature in a boiling liquid bath within a closed container and a power supply terminal maintained at a higher temperature outside of the container. The assembly includes a length of cable which is superconducting at the low temperature and normally conducting at higher temperatures and is disposed within a tube which communicates with the interior of the container so as to vent vapor from the boiling liquid bath out of the container through the tube along the cable to cool the cable to superconducting temperature near the magnet coil. The cable is preferably formed of a plurality of loosely twisted copper-stabilized superconducting strands.

REFERENCES:
patent: 3609992 (1971-10-01), Cacheux
patent: 3611746 (1971-10-01), Marsing et al.
patent: 3695057 (1972-10-01), Moisson-Frankhauser
patent: 3708606 (1973-01-01), Shattes et al.
patent: 3900699 (1975-08-01), Penczynski et al.
patent: 3959576 (1976-05-01), Penczynski
patent: 4369636 (1983-01-01), Purcell et al.
patent: 4394634 (1983-07-01), Vansant
patent: 4447670 (1984-05-01), Eckels

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