Apparatus for dilution of discharged fuel

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

Reexamination Certificate

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Reexamination Certificate

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10676470

ABSTRACT:
An apparatus for dilution of discharged fuel of a fuel cell is provided, which has an inlet for guiding purged hydrogen gas coming from the fuel cell, a reservoir for storing the purged hydrogen gas guided through the inlet, and a cathode exhaust gas pipe penetrating the reservoir. The cathode exhaust gas pipe has a feature that it has holes inside the reservoir and is supplied with cathode exhaust gas of the fuel cell. Also the apparatus has a feature that the cathode exhaust gas pipe sucks the purged hydrogen gas stored in the reservoir through the holes and discharges the purged hydrogen gas diluted by mixing with the cathode exhaust gas.

REFERENCES:
patent: 6065961 (2000-05-01), Shaffer et al.
patent: 6237336 (2001-05-01), Feucht et al.
patent: 2002/0142200 (2002-10-01), Formanski et al.
patent: 2004/0072052 (2004-04-01), Yamamoto et al.
patent: 2004/0106021 (2004-06-01), Kanai et al.
patent: 06-275300 (1994-09-01), None
patent: 2002-56864 (2002-02-01), None
Japanese Office Action Application No. 2002-288890, dated Jan. 26, 2006.

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