The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 28, 2018
Filed:
Dec. 14, 2012
Railway Technical Research Institute, Tokyo, JP;
Noriharu Tamada, Tokyo, JP;
Masaru Tomita, Tokyo, JP;
RAILWAY TECHNICAL RESEARCH INSTITUTE, Tokyo, JP;
Abstract
A superconducting cable comprises a superconductor, two or more coolant passages including an outgoing coolant passageand a returning coolant passagethat transfer a coolant that cools the superconductor, and a heat insulating pipeinside which the superconductorand the coolant passages are formed. For the coolant passages, by a double structured tube of an inner tubeand an outer tube, the outgoing coolant passageis formed in the internal space of the inner tubeand the returning coolant passageis formed in the space between the inner tubeand the outer tube, the inner tubeis formed between the outgoing coolant passageand the returning coolant passageof a heat insulating material, the superconductoris disposed on the outer circumferential side of the inner tube, and the superconductor is cooled by the coolant that flows through the returning coolant passage.