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:
Mar. 06, 2018
Filed:
Aug. 31, 2016
Hyundai Motor Company, Seoul, KR;
Jinwoo Koo, Seoul, KR;
Myung Ju Jung, Daejeon, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A device for decreasing hydrogen concentration of a fuel cell system is installed in an exhaust system of a fuel cell system so as to discharge exhaust gas including hydrogen and air from fuel cells to the atmosphere through an exhaust line. The device includes: a catalyst diluter that includes catalysts for diluting hydrogen in the exhaust gas by generating a catalytic reaction, the catalyst diluter being connected to the exhaust line; and an air diluter that is disposed outside the catalyst diluter and guides external air to a gas exit side of the catalyst diluter, in which the catalyst diluter may include a valve unit that opens and closes an external air channel of the air diluter in accordance with flow pressure of the exhaust gas.