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:
Apr. 05, 1983
Filed:
Nov. 13, 1980
Applicant:
Inventor:
Shigeru Fujimoto, Yokohama, JP;
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21C / ;
U.S. Cl.
CPC ...
376302 ;
Abstract
Apparatus for supporting a nuclear reactor core comprises a support frame for supporting core elements and a friction damper through which the support frame is secured to an inner wall of a reactor vessel. The friction damper comprises a first and second cylindrical members which are loosely telescoped with each other, and the first cylindrical member is connected to the support frame and the second cylindrical member is secured to the inner wall of the reactor vessel. Within the telescoped cylindrical members is disposed a ring spring so as to absorb collision energy.