Floating air riding seal for a turbine
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United States of America Patent
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Aug 16, 2016
Grant Date -
N/A
app pub date -
Oct 29, 2013
filing date -
May 2, 2013
priority date (Note) -
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Abstract
A floating air riding seal for a gas turbine engine with a rotor and a stator, an annular piston chamber with an axial moveable annular piston assembly within the annular piston chamber formed in the stator, an annular cavity formed on the annular piston assembly that faces a seal surface on the rotor, where the axial moveable annular piston includes an inlet scoop on a side opposite to the annular cavity that scoops up the swirling cooling air and directs the cooling air to the annular cavity to form an air cushion with the seal surface of the rotor.
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