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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.:

US 8919184 B1

PDFFull Text
Date of Patent:
Dec. 30, 2014

Filed:

Apr. 25, 2011

Leak testing method and leak testing device for iodine filter

Applicants:

Norihisa Mori, Tokyo, JP;

Naoyuki Kamishima, Tokyo, JP;

Inventors:

Norihisa Mori, Tokyo, JP;

Naoyuki Kamishima, Tokyo, JP;

Assignee:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Attorney:

Westerman, Hattori, Daniels & Adrian, LLP

Primary Examiner:

Hezron E Williams

Assistant Examiner:

Rodney T Frank

Int. Cl.
CPC ...
G01M 3/04 (2006.01); G21F 9/02 (2006.01); B01D 53/22 (2006.01); B01D 65/10 (2006.01); B01J 20/02 (2006.01); B01J 20/10 (2006.01); B01J 20/16 (2006.01); B01J 20/18 (2006.01); B01J 20/20 (2006.01); B01J 20/28 (2006.01); B01J 20/32 (2006.01); B01J 20/30 (2006.01); G01M 3/20 (2006.01);
U.S. Cl.
CPC ...
G21F 9/02 (2013.01); B01D 53/22 (2013.01); B01D 65/104 (2013.01); B01J 20/0233 (2013.01); B01J 20/103 (2013.01); B01J 20/165 (2013.01); B01J 20/186 (2013.01); B01J 20/20 (2013.01); B01J 20/28045 (2013.01); B01J 20/3204 (2013.01); B01J 20/3236 (2013.01); B01J 20/3248 (2013.01); B01J 20/3007 (2013.01); G01M 3/20 (2013.01); B01D 2319/04 (2013.01);
Abstract

A leak testing device for an iodine filter according to the present embodiment includes an iodine adsorption unit including an iodine filter provided in a chamber provided in a duct, to which flue gas containing radioactive iodine is fed, and including an iodine adsorbing material that adsorbs radioactive iodine contained in the flue gas, a fluorine-containing-reagent feed unit that feeds a fluorine-containing reagent that does not contain chlorine into the duct, and a first fluorine-containing-reagent-concentration measurement unit and a second fluorine-containing-reagent-concentration measurement unit that measures a concentration of the fluorine-containing reagent on an upstream side and a downstream side of the iodine filter.

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