Thermally shielded superconductor current lead

Superconductor technology: apparatus – material – process – High temperature devices – systems – apparatus – com- ponents,... – Significant cryogenic refrigeration system having...

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335216, 174 154, 62 511, 62 541, 505888, 505894, 428 341, 428930, H01L 3900, H01B 1200

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active

059916478

ABSTRACT:
A high temperature superconductor lead assembly for reducing the heat leak into a cryocooled system features a shroud configured for at least partial submersion in a cryogenic fluid contained within a bath chamber, and a high temperature superconductor lead element at least partially contained within the shroud. In use, a portion of the high temperature superconductor lead element contained within the shroud extends below a fluid level of the cryogenic fluid in the bath chamber. The portion of the high temperature superconductor lead element is thermally shielded by the shroud such that it is maintained at a temperature higher than the temperature of the cryogenic fluid. The shroud is a double-walled vacuum structure with a sealed end and an open end. In use, the open end is submerged in the cryogenic fluid.

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PCT/US97/12897, Search report mailed Dec. 23, 1997.

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