Device for removing residual hydrogen in fuel cell
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United States of America Patent
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Jun 7, 2022
Grant Date -
Oct 29, 2015
app pub date -
Dec 9, 2014
filing date -
Apr 23, 2014
priority date (Note) -
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status (Latency Note)
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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.
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