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:
Jun. 07, 2022
Filed:
Dec. 09, 2014
Hyundai Motor Company, Seoul, KR;
Sekwon Jung, Gyeonggi-Do, KR;
Hojune Bae, Gyeonggi-Do, KR;
Hyunjoon Lee, Gyeonggi-Do, KR;
HyunJae Lee, Seoul, KR;
Deukkuen Ahn, Gyeonggi-Do, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
Disclosed is a device for removing residual hydrogen in a fuel cell. The device for removing residual hydrogen in a fuel cell sucks residual hydrogen gas in a fuel cell system and easily removes the sucked hydrogen gas so as to prevent a fire, an explosion, and the like which may occur due to residual hydrogen in the fuel cell system during maintenance work of a fuel cell vehicle. In particular, the device may be manufactured as a simple ejector structure in which a nozzle, a venturi, and a diffuser are sequentially combined, the nozzle and the venturi are combined, and the like to use compressed air as a driving flow and use gas inside a fuel cell system as a suction flow and thus easily remove the residual hydrogen.