ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,113, issued on May 19, was assigned to Rolls-Royce PLC (London).
"Aerofoil structure for a gas turbine engine" was invented by Kevin Long (Derby, Great Britain), Matthew Hancock (Derby, Great Britain) and Donka Novovic (Birmingham, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aerofoil structure for a gas turbine engine includes an aerofoil portion and a tip portion. The tip portion includes a tip surface configured to face a corresponding seal segment of the gas turbine engine and a plurality of cutting features provided on at least a portion of the tip surface. The cutting features are discrete and spaced apart from each other. Th...