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. 03, 2021
Filed:
Oct. 27, 2016
Applicant:
Central Research Institute of Electric Power Industry, Tokyo, JP;
Inventor:
Hirofumi Takeda, Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21F 5/10 (2006.01); G21C 19/04 (2006.01); G21C 19/06 (2006.01); G21F 9/34 (2006.01); G21F 9/36 (2006.01);
U.S. Cl.
CPC ...
G21C 19/04 (2013.01); G21C 19/06 (2013.01); G21F 5/10 (2013.01); G21F 9/34 (2013.01); G21F 9/36 (2013.01);
Abstract
A cooling air amount adjustment device of a concrete cask is provided. The device includes at least one of an air outlet port opening level adjustment mechanism and an air inlet port opening level adjustment mechanism which are adapted to automatically perform adjustment to reduce a flow rate of a cooling air when a temperature of the cooling air at an air outlet port is lower than an adjustment reference temperature, and adjustment to increase the flow rate of the cooling air so as to restore the flow rate of the cooling air when the temperature of the cooling air at the air outlet port is higher than the adjustment reference temperature.