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. 26, 2023
Filed:
Feb. 25, 2021
Applicant:
Hitachi-ge Nuclear Energy, Ltd., Hitachi, JP;
Inventors:
Koji Fujimura, Hitachi, JP;
Kazuhiro Fujimata, Hitachi, JP;
Sho Fuchita, Hitachi, JP;
Junichi Miwa, Hitachi, JP;
Assignee:
Hitachi-GE Nuclear Energy, Ltd., Hitachi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21C 1/02 (2006.01); G21C 1/03 (2006.01); G21C 3/28 (2006.01); G21C 7/28 (2006.01); G21C 7/32 (2006.01); G21C 7/08 (2006.01);
U.S. Cl.
CPC ...
G21C 1/02 (2013.01); G21C 1/03 (2013.01); G21C 3/28 (2013.01); G21C 1/024 (2013.01); G21C 7/08 (2013.01); G21C 7/28 (2013.01); G21C 7/32 (2013.01);
Abstract
A fast reactor core includes a sodium plenum installed above the fuel. The sodium plenum is capable of reducing a void reactivity. During operation, a tip of a primary control rod is inserted in a core fuel region, and a tip of a backup control rod is arranged near an upper end of the sodium plenum.