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Floating air riding seal for a turbine

United States Patent

August 16, 2016
View the Complete Patent at the US Patent & Trademark Office
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.
Ebert; Todd A (North Palm Beach, FL)
S&J DESIGN LLC (Jupiter, FL)
14/ 066,364
October 29, 2013
GOVERNMENT LICENSE RIGHTS This invention was made with Government support under contract number DE-SC0008218 awarded by Department of Energy. The Government has certain rights in the invention.