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.

Date of Patent:
May. 10, 2022

Filed:

Mar. 13, 2019
Applicant:

Central Research Institute of Electric Power Industry, Tokyo, JP;

Inventor:

Hirofumi Takeda, Abiko, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 3/02 (2006.01); G01M 3/00 (2006.01); G01N 25/72 (2006.01); G21F 5/12 (2006.01); G21F 5/10 (2006.01);
U.S. Cl.
CPC ...
G01M 3/002 (2013.01); G01M 3/00 (2013.01); G01N 25/72 (2013.01); G21F 5/10 (2013.01); G21F 5/12 (2013.01); G21F 5/125 (2019.01); Y02E 30/30 (2013.01);
Abstract

In a canister horizontally installed and housed inside a concrete silo, at least two temperatures out of a temperature Tat a canister bottom portion to be one end portion in a lateral direction in a horizontally-installed attitude, a temperature Tat a canister side surface lower portion located below a horizontal plane passing through a center of the canister, a temperature Tat a canister lid portion to be the other end portion in the lateral direction, and a temperature Tat a canister side surface upper portion located above the horizontal plane passing through the center of the canister are monitored, and occurrence of leakage of an inert gas inside the canister is detected when there is a change in a temperature difference between the at least two temperatures.


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