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:
Nov. 18, 2025
Filed:
Oct. 10, 2022
Applicant:
Rtx Corporation, Farmington, CT (US);
Inventor:
Hamidreza Mohseni, Avon, CT (US);
Assignee:
RTX CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 9/26 (2006.01); F01D 11/00 (2006.01);
U.S. Cl.
CPC ...
F16J 9/26 (2013.01); F01D 11/005 (2013.01); F05D 2220/32 (2013.01);
Abstract
The present disclosure provides assemblies, systems and methods for surface modification of piston seal rings and interfacing components. More particularly, the present disclosure provides assemblies, systems and methods for surface modification of mid-turbine frame (MTF) piston seal rings and interfacing components in gas turbine engines to achieve low and/or reduced friction, and/or high and/or improved wear resistance.