ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,469, issued on July 22, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).
"Aircraft propulsion system with intermittent combustion engine(s)" was invented by Richard Freer (Saint-Basile-le-Grand, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft system is provided that includes a first propulsor rotor, a first transmission, a second propulsor rotor, a second transmission and an intermittent combustion engine. The first propulsor rotor is rotatable about a first propulsor axis. The first transmission is coupled to the first propulsor rotor. The second propulsor rotor is rotatable about a second propulsor axis. The seco...