Retractable lead system for operation at cryogenic temperatures

Details Retractable lead system for operation at cryogenic temperatures Retractable lead system for operation at cryogenic temperatures

1984-06-15

1986-09-30

McGlynn, Joseph H.

Geometrical instruments

339239, 339274, 339278C, H01R 424

Patent

active

046143939

ABSTRACT:
A split ring clamp having a hard, serrated interior surface is urged against an electrically conductive lead by means of a pivoting cam lever. The conductive lead includes a metal coating which is relatively soft at cryogenic temperatures. This arrangement avoids the problem of frost buildup and undesirable resistive heating effects in the powering of superconducting electromagnets disposed within a cryostat, particularly a cryostat containing liquid helium as a cooling fluid.

REFERENCES:
patent: 1861451 (1932-06-01), Park
patent: 1904241 (1933-04-01), Kammerer
patent: 1936469 (1933-11-01), Hill
patent: 2864071 (1958-12-01), Johnson, Jr.
patent: 2975394 (1961-03-01), Peras

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