Fuel cell

Details Fuel cell Fuel cell

2005-03-15

2005-03-15

Maples, John S. (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000

Reexamination Certificate

active

06866956

ABSTRACT:
A fuel cell is reduced in size and weight while the respective communication passages are reliably sealed by the respective sealing members between separators and an electrode assembly. Separators of a fuel cell is provided with communication holes for a reaction gas and cooling medium provided in the outer side of gas sealing members, and with a communication passage that detours around the gas sealing members in the thickness direction of the separators and connects gas communication passages with the reaction gas communication hole. A cooling surface sealing member that seals off the cooling medium communication passage from the reaction gas communication hole is located at a position that is shifted from the communicating passage towards the communication hole side.

REFERENCES:
patent: 6420061 (2002-07-01), Fujii et al.
patent: 20020192522 (2002-12-01), Wada et al.
patent: 20030054216 (2003-03-01), Sugita et al.

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