Fuel cell exhibiting enhanced separator sealing structure

Details Fuel cell exhibiting enhanced separator sealing structure Fuel cell exhibiting enhanced separator sealing structure

2008-04-17

2011-10-25

Crepeau, Jonathan (Department: 1725)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Means for joining components together

C429S483000, C429S522000

Reexamination Certificate

active

08043766

ABSTRACT:
Auxiliary seals are provided on a surface of a first metal separator, between load receivers and an oxygen-containing gas supply passage, a fuel gas supply passage, an oxygen-containing gas discharge passage, and a fuel gas discharge passage, in relatively wide areas. The cross sectional shape of the auxiliary seal is the same as those of a flow field seal and ring-like seals, and the auxiliary seals are formed independently from the flow field seal and the ring-like seals.

REFERENCES:
patent: 2003/0152819 (2003-08-01), Hatoh et al.
patent: 2004/0137308 (2004-07-01), Maeda et al.
patent: 06-267567 (1994-09-01), None
patent: 07-249417 (1995-09-01), None
patent: 2004-207074 (2004-07-01), None
Machine Translation of: JP 07/249417 A, Nonobe et al., Sep. 26, 2005.

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