Branched fluid channels for improved fluid flow through fuel...

Details Branched fluid channels for improved fluid flow through fuel... Branched fluid channels for improved fluid flow through fuel...

2004-05-19

2009-11-17

Alejandro, Raymond (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000

Reexamination Certificate

active

07618734

ABSTRACT:
A flow field geometry formed in a separator plate of a fuel cell includes a plurality of straight inlet legs including a first lateral inlet leg laterally offset from a first inlet leg and a dividing junction associated with each of the plurality of straight inlet legs. The dividing junction divides a straight inlet leg into a plurality of branched legs. A number of a first set of branched legs associated with the first lateral inlet leg is greater than a number of a set of branched legs associated with the first inlet leg.

REFERENCES:
patent: 6309773 (2001-10-01), Rock
patent: 6406809 (2002-06-01), Fujii et al.
patent: 2003/0175577 (2003-09-01), Rock
patent: 2004/0151971 (2004-08-01), Rock
patent: 2004/0151973 (2004-08-01), Rock
patent: 2004/0209150 (2004-10-01), Rock et al.
International Search Report dated Jun. 22, 2006 for Appln. No. PCT/US05/13970 filed Apr. 25, 2005 corresponding to this application.

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