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:
Jun. 14, 2016

Filed:

Aug. 02, 2011
Applicants:

Masafumi Utsumi, Tokyo, JP;

Hidekazu Satake, Tokyo, JP;

Masaru Shimizu, Tokyo, JP;

Inventors:

Masafumi Utsumi, Tokyo, JP;

Hidekazu Satake, Tokyo, JP;

Masaru Shimizu, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21C 7/36 (2006.01); G21D 3/04 (2006.01); G21C 17/00 (2006.01); G21D 3/00 (2006.01); G21D 3/06 (2006.01);
U.S. Cl.
CPC ...
G21D 3/04 (2013.01); G21C 7/36 (2013.01); G21C 17/00 (2013.01); G21D 3/001 (2013.01); G21D 3/06 (2013.01); Y02E 30/39 (2013.01);
Abstract

Provided are a safety protection system facilityoutputting a normal actuating signal Sin a case where the safety protection system facilitycontrols actuation of a unit provided in a nuclear facility to a safe side based on an abnormality detecting signal output at the time of occurrence of an abnormality in the nuclear facility, and where this causes the unit to be actuated normally, and a CCF countermeasure facilityoutputting a CCF-case actuating signal Sactuating the unit to a safe side in a case where the CCF countermeasure facilitydetermines from output results of the abnormality detecting signal and the normal actuating signal Sthat the unit is not actuated normally at the time of occurrence of the abnormality in the nuclear facility.


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