Fuel cell having manifold apertures and cover plates

Details Fuel cell having manifold apertures and cover plates Fuel cell having manifold apertures and cover plates

2005-12-08

2009-02-24

Ruthkosky, Mark (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000

Reexamination Certificate

active

07494737

ABSTRACT:
The present invention is intended to enable efficient assembly of a fuel cell stack without causing any damage to the conductive separator. In a fuel cell including an anode, a cathode, an electrolyte membrane interposed between the anode and the cathode, and conductive separators each having manifold apertures12and a flow channel16for supplying a gas to the anode or the cathode, manifold aperture connecting portions15are formed at an inlet-side end and an outlet-side end of the flow channel16, respectively. Each of the manifold aperture connecting portions15is recessed below the upper surface of the conductive separator11. Cover plates are fitted and fixed to the recessed portions, respectively.

REFERENCES:
patent: 6410179 (2002-06-01), Boyer et al.
patent: 7049023 (2006-05-01), Fujii et al.
patent: 2004/0131918 (2004-07-01), Ohara et al.
patent: 2006/0228616 (2006-10-01), Chen et al.
patent: 2007/0196716 (2007-08-01), Mashimo et al.
patent: 09-035726 (1997-02-01), None
patent: 2001-176532 (2001-06-01), None
patent: 2004-349014 (2004-09-01), None
patent: 2005-129306 (2005-05-01), None

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