Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2005-06-14
2005-06-14
Barr, Michael (Department: 1746)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S006000, C429S006000
Reexamination Certificate
active
06905793
ABSTRACT:
In a fuel cell stack, a bipolar separator plate having two joined together coextensive separator plate elements having perpendicularly disposed corrugated regions and forming a coolant chamber there between. By virtue of this arrangement, fuel and oxidant gases fed to the fuel cell stack have a cross-flow relationship. Internal stack manifolding is provided for distribution of a coolant to each of the coolant chambers.
REFERENCES:
patent: 5776624 (1998-07-01), Neutzler
patent: 6261710 (2001-07-01), Marianowski
Chervinko Jeremy
Fan Qinbai
Koncar Gerald J.
Marianowski Leonard G.
Barr Michael
Fejer Mark E.
Gas Technology Institute
Wills Monique
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