ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,641, issued on Dec. 9, was assigned to General Electric Co. (Evendale, Ohio).
"Variable pitch airfoil" was invented by Nicholas Joseph Kray (Mason, Ohio), Daniel E. Mollmann (Colerain Township, Ohio), Elzbieta Kryj-Kos (Liberty Township, Ohio), Arthur William Sibbach (Boxford, Mass.) and Brent Michael Push (Blue Ash, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "An airfoil assembly for a turbine engine, the airfoil assembly including a platform defining an inner surface and an outer surface, a variable pitch airfoil extending radially from the outer surface of the platform from a root to a tip to define a span length and a mounting structure co...