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:
Sep. 22, 1987
Filed:
Oct. 16, 1986
Yuuichi Yamamoto, Kobe, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
An improved electric lead device for a superconducting electric apparatus particularly suited for small current ratings is disclosed in which the total cross sectional area of conductors disposed in a cylindrical lead housing formed of a metal pipe can be reduced from their normal temperature side toward their cryogenic temperature side without any difficulty while materially improving the cooling efficiency on the conductors. The electric lead device comprises: a coolant tank for storing therein a cryogenic coolant; a superconducting electric apparatus disposed in the coolant tank; a lead housing secured to the coolant tank and communicating with the interior of the coolant tank for introducing therein coolant gas vaporized from the cryogenic coolant; and conductors received in the lead housing and extending from a normal temperature side to a cryogenic temperature side for electrically connecting the superconducting electric apparatus to the outside, the conductors being constructed such that the total cross sectional area of the conductors decreases from the normal temperature side toward the cryogenic temperature side. The conductors are formed of conductor wire elements each covered with an electrically insulating layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile