Seal structure of a fuel cell

Details Seal structure of a fuel cell Seal structure of a fuel cell

2004-09-28

2009-10-27

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

Reexamination Certificate

active

07608355

ABSTRACT:
A seal structure of a fuel cell includes an interrupted back-up disposed at least one of a connecting gas passage and a connecting coolant passage. The back-up located on one side of a separator and a portion of a seal line located on the other side of the separator are disposed such that the back-up and the portion of the seal line are overlapped with each other in a fuel cell stacking direction. The interrupted back-up may be formed in the seal or in the separator.

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