Lewis Erwin

US Patent:

51149079, May 19, 1992

Filed:

Mar 15, 1991

Appl. No.:

7/670236

Inventors:

Lewis Erwin - Winnetka IL
Keith Crandell - Hinsdale IL
Justin Whitney - Butte MT

Assignee:

Illinois Superconductor Corporation - Evanston IL

International Classification:

G01F 2324
H01L 3904

US Classification:

505 1

Abstract:

A cryogenic level sensor assembly. A sensor assembly includes a continuous length of high temperature ceramic superconductor material, an exterior housing for holding the length of ceramic superconductor material, a support material disposed between the ceramic superconductor material and the exterior housing, and a resilient retention material disposed opposite the ceramic superconductor material for holding the superconductor material while allowing expansion and contraction thereof during thermal cycling.