ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,247, issued on Aug. 19, was assigned to RTX Corp. (Farmington, Conn.).
"Airfoil with sandwich composite flange" was invented by Russell Kim (Temecula, Calif.), Raymond Surace (Newington, Conn.), James T. Roach (Vernon, Conn.) and Jonas Banhos (West Hartford, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An airfoil for a gas turbine engine includes an airfoil section and a platform that has a non-gaspath side, a flange that extends from the non-gaspath side, and a gaspath side from which the airfoil section extends. The flange is comprised of a sandwich composite that includes first and second ceramic matrix composite (CMC) skins that each hav...