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. 24, 1987
Filed:
Apr. 05, 1984
Applicant:
Inventors:
Sadao Uchikawa, Katsuta, JP;
Motoo Aoyama, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21C / ;
U.S. Cl.
CPC ...
376447 ; 376419 ; 376423 ; 376434 ; 376438 ; 376906 ;
Abstract
The invention provides a fuel assembly comprising a plurality of fuel rods containing a fissionable material and a plurality of moderator rods filled with a burnable poison and a metal hydride as a solid moderator material. All of the burnable poison in the fuel assembly is filled in the moderator rods, and number of the moderator rods is at least 4 and not more than 15% of total number of the fuel rods and the moderator rods.