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:
Dec. 15, 2015

Filed:

Nov. 09, 2012
Applicants:

Fujio Shiraishi, Yokohama, JP;

Hisayoshi Fukai, Yokohama, JP;

Inventors:

Fujio Shiraishi, Yokohama, JP;

Hisayoshi Fukai, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21C 17/035 (2006.01); G21C 17/00 (2006.01); G21C 15/18 (2006.01); G21C 17/02 (2006.01);
U.S. Cl.
CPC ...
G21C 17/00 (2013.01); G21C 15/182 (2013.01); G21C 17/02 (2013.01); G21C 17/035 (2013.01); Y02E 30/40 (2013.01);
Abstract

A water filling system for a reactor water level gauge is provided for filling a reactor water level gauge instrumentation pipe in a reactor building with water and filling the reactor water level gauge with water even in an unexpected abnormal event where the reactor building is brought into a highly radioactive environment. The water filling system for a reactor water level gauge includes a water filling instrumentation pipe guided from the reactor water level gauge instrumentation pipe in the reactor building to an outside of the reactor building and filling the reactor water level gauge instrumentation pipe in the reactor building with water even in an unexpected abnormal event of a nuclear power plant.


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