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Armored spring-core superconducting cable and method of construction

United States Patent

6,448,501
September 10, 2002
View the Complete Patent at the US Patent & Trademark Office
An armored spring-core superconducting cable (12) is provided. The armored spring-core superconducting cable (12) may include a spring-core (20), at least one superconducting strand (24) wound onto the spring-core (20), and an armored shell (22) that encases the superconducting strands (24). The spring-core (20) is generally a perforated tube that allows purge gases and cryogenic liquids to be circulated through the armored superconducting cable (12), as well as managing the internal stresses within the armored spring-core superconducting cable (12). The armored shell (22) manages the external stresses of the armored spring-core superconducting cable (12) to protect the fragile superconducting strands (24). The armored spring-core superconducting cable (12) may also include a conductive jacket (34) formed outwardly of the armored shell (22).
McIntyre; Peter M. (College Station, TX), Soika; Rainer H. (College Station, TX)
09/ 281,121
March 29, 1999
GOVERNMENT CONTRACT This invention was invented under contract from the Department of Energy, contract number DE-FC-03-95ER40924.