Secondary seal for gas turbines
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United States of America Patent
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-
Dec 22, 1992
Grant Date -
N/A
app pub date -
Apr 28, 1992
filing date -
Apr 28, 1992
priority date (Note) -
Expired
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Abstract
A secondary seal for use in a high temperature environment, including only non-elastomeric elements, includes split high temperature carbon graphite secondary seal rings axially biased by a first set of springs and radially biased by a second set of springs.
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