US Patent Issued to RTX on Nov. 18 for "Methods for surface modification of mid-turbine frame piston seal rings and interfacing components to achieve low friction and high wear resistance" (Connecticut Inventor)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,977, issued on Nov. 18, was assigned to RTX Corp. (Farmington, Conn.).

"Methods for surface modification of mid-turbine frame piston seal rings and interfacing components to achieve low friction and high wear resistance" was invented by Hamidreza Mohseni (Avon, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 t...