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. 13, 1996
Filed:
Mar. 28, 1994
Applicant:
Inventors:
Shinji Yoshida, Inuyama, JP;
Shuichiro Motoyama, Komaki, JP;
Takashi Ohashi, Kasugai, JP;
Masamichi Ishihara, Ama-gun, JP;
Assignee:
NGK Insulators, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361 19 ; 361 58 ; 505850 ; 505872 ;
Abstract
A superconducting fault current limiter composed of an induction coil wound around a core made of a soft magnetic material such as soft iron, ferrite or the like, a cylindrical superconductive body arranged in surrounding relationship with the induction coil and a cooling container formed to contain only the superconductive body therein and filled with cooling liquid such as liquid nitrogen or helium to immerse therein the superconductive body.