ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,596, issued on Feb. 4, was assigned to General Electric Co. (Evendale, Ohio).
"Unducted airfoil assembly" was invented by Kishore Ramakrishnan (Rexford, N.Y.) and Daniel Lawrence Tweedt (West Chester, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "An unducted airfoil assembly includes an airfoil having spaced-apart pressure and suction sides extending radially in span from a root to a tip, and extending axially in chord between spaced apart leading and trailing edges. The airfoil defines a forward-most axial point and is arranged around a longitudinal axis and rotates about the longitudinal axis in a rotational direction. A tip leading edge of t...