Skirted leaf seal apparatus
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United States of America Patent
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Aug 8, 2023
Grant Date -
Dec 22, 2022
app pub date -
Jun 21, 2021
filing date -
Jun 21, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
In some embodiments, apparatuses are provided herein useful to sealing a gap between a movable flap and a stationary structure, such as a gap between a gas turbine engine nozzle flap and a corresponding sidewall. An apparatus for sealing such a gap may be a dynamic skirted leaf seal which may include a flap arm and a wall arm opposite the flap arm. A distal end portion of the flap arm may comprise a first skirt and the distal end portion of the wall arm may comprise a second skirt that engages the first skirt. When positioned in a gap between the movable flap and the stationary structure, the skirted leaf seal may exert a force to urge the flap arm towards the flap and to urge the wall arm towards the structure to seal the gap.
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