One piece separator plate with insert ring step design
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United States of America Patent
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Jun 13, 1995
Grant Date -
N/A
app pub date -
Oct 21, 1993
filing date -
Oct 21, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A one-piece separator plate suitable for use in a fuel cell stack comprising a single pressed metal plate having a peripheral raised seal region on a face of said pressed metal plate and a corresponding peripheral recessed seal region on the opposite face thereof, the corresponding peripheral recessed seal region forming a peripheral channel on said opposite face of the pressed metal plate. A peripheral insert ring is disposed in the peripheral channel, which insert ring and said peripheral raised seal region form seals between the faces of the pressed metal plate and an adjacent active cell component.
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