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Split ring floating air riding seal for a turbine

United States Patent

November 3, 2015
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, an annular cavity formed on the annular piston assembly that faces a seal surface on the rotor, and a central passage connecting the annular cavity to the annular piston chamber to supply compressed air to the seal face, where the annular piston assembly is a split piston assembly to maintain a tight seal as coning of the rotor disk occurs.
Mills; Jacob A (Jupiter, FL)
Florida Turbine Technologies, Inc. (Jupiter, FL)
13/ 793,853
March 11, 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.