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:
Dec. 13, 2011
Filed:
Feb. 20, 2009
Applicants:
Hiroyuki Tanaka, Mito, JP;
Norihide Saho, Tsuchiura, JP;
Hisashi Isogami, Ushiku, JP;
Masaya Takahashi, Hitachinaka, JP;
Michiya Okada, Mito, JP;
Inventors:
Hiroyuki Tanaka, Mito, JP;
Norihide Saho, Tsuchiura, JP;
Hisashi Isogami, Ushiku, JP;
Masaya Takahashi, Hitachinaka, JP;
Michiya Okada, Mito, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 1/00 (2006.01); H01F 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A persistent current switch in a superconducting magnet, includes: a winding part in which a superconducting wire is noninductively wound; a winding-heating heater provided around the winding part; a vessel provided around the winding part with a space; and an anti-convective material provided in the space between the vessel and the winding part.