Superconductor technology: apparatus – material – process – High temperature devices – systems – apparatus – com- ponents,... – Significant cryogenic refrigeration system having...
Patent
1995-05-11
1996-09-03
Ryan, Patrick
Superconductor technology: apparatus, material, process
High temperature devices, systems, apparatus, com- ponents,...
Significant cryogenic refrigeration system having...
505701, 505230, 1741251, 428209, 428688, 335300, 335296, B32B 900
Patent
active
055523722
ABSTRACT:
A superconductive lead assembly for a superconductive device (e.g., magnet) cooled by a cryocooler coldhead having first and second stages. A first ceramic superconductive lead has a first end flexibly, dielectrically, and thermally connected to the first stage and a second end flexibly, dielectrically, and thermally connected to the second stage. A jacket of open cell material (e.g., polystyrene foam) is in general surrounding compressive contact with the first ceramic superconductive lead, and a rigid support tube generally surrounds the jacket. This protects the first ceramic superconductive lead against shock and vibration while in the device. The rigid support tube has a first end and a second end, with the second end thermally connectable to the second stage.
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"Grain-Aligned YBCO Superconducting Current Leads for Conduction-Cooled Applications", by K. G. Herd et al., IEEE Transactions on Applied Superconductivity, vol. 3, No. 1, Mar. 1993.
"Cold Head Sleeve and High-Tc Superconducting lead Assemblies for a Superaconducting magnet which Images Human Limbs", Laskaris et al., U.S. application Ser. No. 08/000,303, filed Jan. 4, 1993.
Concurrently filed U.S. Patent Application RD-23426 entitled "Ceramic Superconducting Lead Resistant To Moisture And Breakage", by Robert A. Ackermann et al.
U.S. patent application Ser. No. 08/209,287, filed Mar. 14, 1994, entitled "Superconducting Lead Assembly For A Cryocooler-Cooled Superconducting Magnet", by Kenneth G. Herd et al.
Ackermann Robert A.
Herd Kenneth G.
Laskaris Evangelos T.
Ranze Richard A.
Erickson Douglas E.
General Electric Company
Jewik Patrick
Ryan Patrick
Snyder Marvin
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