Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2007-10-23
2007-10-23
Tsang-Foster, Susy (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
Reexamination Certificate
active
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.
Fukuma Kazunori
Koyama Takatsugu
Matsutani Masahiro
Numata Hideo
Yamamoto Akio
Echelmeyer Alix
Honda Giken Kogyo Kabushiki Kaisha
Lahive & Cockfield LLP
Laurentano, Esq. Anthony A.
Tsang-Foster Susy
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