US 12,359,626 B2
Rotating sleeve controlling clearance of seal assembly of gas turbine engine
Jacob Peter Mastro, Glastonbury, CT (US); and Kyle L. Forgette, West Hartford, CT (US)
Assigned to RTX Corporation, Farmington, CT (US)
Filed by Raytheon Technologies Corporation, Farmington, CT (US)
Filed on Mar. 28, 2022, as Appl. No. 17/705,628.
Application 17/705,628 is a continuation of application No. 16/951,001, filed on Nov. 18, 2020, granted, now 11,415,062.
Prior Publication US 2022/0220901 A1, Jul. 14, 2022
Int. Cl. F02C 7/28 (2006.01); F01D 11/00 (2006.01); F01D 25/16 (2006.01); F02C 7/06 (2006.01); F04D 29/056 (2006.01)
CPC F02C 7/28 (2013.01) [F01D 11/003 (2013.01); F01D 25/16 (2013.01); F02C 7/06 (2013.01); F04D 29/056 (2013.01); F05D 2240/50 (2013.01); F05D 2240/56 (2013.01); F05D 2240/60 (2013.01); F05D 2260/30 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A gas turbine engine, comprising:
a bearing compartment;
a shaft configured to rotate during operation of the gas turbine engine;
a sleeve configured to rotate with the shaft during operation of the gas turbine engine, wherein the sleeve includes a variable radial dimension about a circumference of the sleeve; and
a seal statically mounted relative to the sleeve and configured to cooperate with the sleeve to seal the bearing compartment.