Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2005-06-28
2005-06-28
Ryan, Patrick Joseph (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S006000, C429S006000
Reexamination Certificate
active
06911277
ABSTRACT:
A device and method are provided to allow the flowpaths in a fuel cell stack to be reconfigured dependent on reactant gas throughput in order to maintain appropriate pressure drop, sufficient velocities, and reactant concentrations of each cell of a fuel cell stack.
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McMillan G. and Considine D., 1999, Process/Industrial Instruments and Controls Handbook, McGraw-Hill, New York.
Rock Jeffrey A.
Skala Glenn W.
Brooks, Esq. Cary W.
Deschere, Esq. Linda M.
General Motors Corporation
Mercado Julian
Ryan Patrick Joseph
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