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:
Feb. 25, 2003
Filed:
Jul. 22, 1999
Mika Tahara, Kanagawa-ken, JP;
Yasuo Osawa, Kanagawa-ken, JP;
Yuji Yamamoto, Tokyo, JP;
Kenji Arai, Kanagawa-ken, JP;
Makoto Harada, Kanagawa-ken, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
An apparatus for removing flammable gas is started only when a concentration change in the flammable gas in a primary containment vessel is detected, so that the decrease in activity of a catalyst due to a catalyst poison is prevented. This apparatus has a catalytic recombining apparatus equipped with a catalyst for reacting the flammable gas, a case that houses the catalyst, and lids and installed at openings and of the case Adhesive parts and which adhere the lids and and the case is melted at high temperatures, and heating elements and composed of an oxidizing catalyst of hydrogen is installed in contact with the adhesive parts and Thus, the lids are not only closed under normal conditions but opened when the adhesive parts and being melted along with the temperature increase in the surrounding atmosphere.