Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2005-11-16
2009-11-03
Yuan, Dah-Wei D (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S006000, C429S006000, C429S006000, C429S006000
Reexamination Certificate
active
07611791
ABSTRACT:
A spirally-wound fuel cell assembly is disclosed. The spirally-wound fuel cell assembly includes an enclosure. Multiple cell assemblies are disposed in electrical contact with each other and provided in the enclosure. Each of the cell assemblies has at least one membrane electrode assembly including a negative electrode, a positive electrode and a proton conductive membrane sandwiched between the negative electrode and the positive electrode. An oxidant channel is provided in each of the cell assemblies for receiving an oxidant gas. A fuel gas pathway is defined around the cell assemblies for receiving a fuel gas. A method of fabricating a fuel cell assembly is also disclosed.
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patent: 6458477 (2002-10-01), Hsu
patent: 6566001 (2003-05-01), Yosida et al.
patent: 7005207 (2006-02-01), Horiuchi et al.
patent: 2004/0121208 (2004-06-01), James et al.
patent: 2005/0014054 (2005-01-01), Champion
Blakemore Bruce
Brost Ron
Schank William
Waldecker James
Ford Motor Company
Kelley, Esq. David
Marks Jacob
Tung & Associates
Yuan Dah-Wei D
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