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:
Mar. 31, 1987
Filed:
Apr. 25, 1984
Applicant:
Inventors:
Ken Amano, Hitachi, JP;
Kotaro Inoue, Toukai, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21C / ;
U.S. Cl.
CPC ...
376436 ; 376434 ; 376435 ;
Abstract
This invention relates to a fuel assembly for fast reactors and aims to reduce stresses induced in fuel pins by interaction between a wrapper tube and a bundle of fuel elements each of which consists of the fuel pin and a wire spacer wound around the fuel pin. The fuel elements consists of two kinds of fuel elements, one of them consists of conventional fuel pins and wire spacers and the other fuel pins of smaller diameter than the conventional fuel pins and wire spacers of larger diameter than the conventional wire spacers whereby the fuel assembly is provided with larger space therein.