ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,634, issued on Oct. 7, was assigned to Rolls-Royce North American Technologies Inc. (Indianapolis).
"Notched turbine airfoils for weight reduction in gas turbine engines" was invented by Matthew J. Bloxham (Indianapolis).
According to the abstract* released by the U.S. Patent & Trademark Office: "An airfoil adapted for use in a gas turbine engine includes a base and an airfoil body that extends radially outward from the base relative to an axis to a tip of the airfoil body. The airfoil body has a leading edge, a trailing edge, a suction side, and a pressure side. The airfoil body is formed to include notches that extend into the airfoil body to reduce a weight of the airfoil."
Th...