EXPANSION SEAL
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United States of America
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Issued Date -
Feb 20, 2020
app pub date -
Oct 11, 2019
filing date -
Oct 11, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A sealing system for a gas turbine engine includes a first surface and a second surface spaced a dimension away from the first surface defining a gap through which a fluid can flow. At least one recess is formed in one of the first surface and the second surface and is oriented such that the fluid flow through the gap crosses the at least one recess. The recess is configured to restrict the fluid flow through the gap in comparison to if the at least one recess were not present, all other things being equal.
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