High temperature gas seals
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 7, 2005
Grant Date -
Feb 28, 2002
app pub date -
Aug 17, 2001
filing date -
Aug 18, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A flexible seal for use in a solid oxide fuel cell stack is formed from a fiber matrix impregnated with a plurality of solid particles. The fibers and particles are preferably ceramic and may be formed from alumina or zirconia. The seal may be formed by dipping the fiber matrix into a slurry of the particles in an alcohol, drying the seal and precompressing prior to installation in the fuel cell stack.
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