Seal assembly for a gap between outlet portions of adjacent transition ducts in a gas turbine engine
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United States of America Patent
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Mar 14, 2017
Grant Date -
Apr 16, 2015
app pub date -
Oct 15, 2013
filing date -
Oct 15, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A seal assembly for sealing a circumferential leakage gap between outlet portions of first and second adjacent transition ducts in a gas turbine engine includes a first seal member affixed to the outlet portion of the first transition duct and a second seal member movable with respect to the first seal member. The second seal member is positionable in a non-sealing first position and a sealing second position. While in the first position, the second seal member is circumferentially spaced from the outlet portion of the second transition duct. While in the second position, the second seal member extends across the leakage gap and creates a seal with the outlet portion of the second transition duct to substantially prevent leakage through the leakage gap.
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