The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 2024
Filed:
Feb. 23, 2021
Applicant:
Rtx Corporation, Farmington, CT (US);
Inventors:
Kelly M. Harrington, Deerfield, NH (US);
Pantcho P. Stoyanov, West Hartford, CT (US);
Assignee:
RTX Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/56 (2006.01); F16J 9/26 (2006.01);
U.S. Cl.
CPC ...
F16J 9/26 (2013.01);
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.