Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2008-07-22
2008-07-22
Kalafut, Stephen J. (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C204S255000, C204S256000
Reexamination Certificate
active
07402358
ABSTRACT:
A bipolar plate for an electrochemical cell is disclosed. The bipolar plate includes a unitary plate having first and second inlet ports, first and second outlet ports, first flow channels, and second flow channels. A first inlet header channel at one end of the first flow channels is in fluid communication with the first inlet port, and a first outlet header channel at the other end of the first flow channels is in fluid communication with the first outlet port. A second inlet header channel at one end of the second flow channels is in fluid communication with the second inlet port, and a second outlet header channel at the other end of the second flow channels is in fluid communication with the second outlet port. Each of the header channels includes a support surface sufficient to support a membrane-electrode-assembly while providing a fluid flow channel from one end of the respective header channel to the other end.
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Computer-generated English translation, from the Japanese Patent Office website, of JP-2004-047,451 (doc date Feb. 2004).
International Search Report PCT/US2005/035269 dated Sep. 28, 2005.
Cantor & Colburn LLP
Kalafut Stephen J.
Proton Energy Systems, Inc.
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