Fuel cell system
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United States of America Patent
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N/A
Issued Date -
Mar 24, 2005
app pub date -
Oct 15, 2004
filing date -
Nov 23, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present application relates to a fuel cell system comprising a fuel cell stack (1) which has layers of a plurality of fuel cells (2) which are each separated from one another by bipolar plates (3; 3'). The bipolar plates have openings for cooling (4) or for the supply (5a) and discharge (5b) of media to/from the fuel cells. The fuel cell stack can be placed under mechanical compressive stress in the direction (6) of the layering. Resilient bead arrangements (7; 7') are provided at least in regions to seal the openings (4, 5a, 5b, 10).
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