RTX Corporation
SELF-LUBRICATING, WEAR RESISTANT PISTON SEAL
Last updated:
Abstract:
A piston seal assembly for a gas turbine engine includes a seal formed of a nickel-based superalloy; a component in contact with the seal and defining a seal-counterface; and a coating on the seal at the seal-counterface, wherein the coating is a nanostructured, self-lubricating coating material.
Status:
Application
Type:
Utility
Filling date:
23 Feb 2021
Issue date:
2 Sep 2021