ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,994, issued on Aug. 5, was assigned to Textron Innovations Inc. (Providence, R.I.).
"Hybrid propulsion drive train system for tiltrotor aircraft" was invented by Carlos Alexander Fenny (Fort Worth, Texas), John Robert Wittmaak Jr. (Newark, Texas), Mike John Ryan (Colleyville, Texas) and Joseph Scott Drennan (Dallas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hybrid propulsion system for an aircraft comprising: an engine disposed within a fuselage of the aircraft, two electrical generators disposed within the fuselage and connected to the engine, and two nacelles. Each nacelle comprises a proprotor, and two electric motors connected to the propro...