US 11,859,497 B2
Seal seat insert for gas turbine engines
Pantcho P. Stoyanov, West Hartford, CT (US); and Eli N. Ross, Vernon, 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. 17/706,347.
Application 17/706,347 is a continuation of application No. 16/570,072, filed on Sep. 13, 2019, granted, now 11,339,675.
Prior Publication US 2022/0412223 A1, Dec. 29, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. F01D 11/00 (2006.01); F01D 25/12 (2006.01); F02C 7/20 (2006.01)
CPC F01D 11/003 (2013.01) [F01D 25/125 (2013.01); F02C 7/20 (2013.01); F05D 2220/32 (2013.01); F05D 2240/50 (2013.01); F05D 2240/55 (2013.01); F05D 2260/36 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A seal assembly for a gas turbine engine, the seal assembly comprising:
a seal body coupled to an engine static structure of the gas turbine engine; and
a seal seat insert coupled to a radially extending portion of a component of the gas turbine engine;
wherein the seal body is configured to be biased into contact with the seal seat insert to provide a sealing pressure between the seal body and the seal seat insert,
wherein the seal seat insert is made from a ceramic matrix composite including at least one of silicon carbide and silicon nitride, and
wherein the radially extending portion of the component directly contacts around the seal seat insert.