ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,245, issued on Feb. 24, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).

"Systems and methods for controlling an electrical distribution system for a hybrid-electric aircraft propulsion system" was invented by Richard Freer (Ste-Basile-le-Grand, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A propulsion system for an aircraft includes a propulsor, an engine, and an electrical distribution system. The engine includes a first rotor and a first shaft. The first shaft is connected to the first rotor. The electrical distribution system includes a low-voltage bus, a high-voltage bus, a low-voltage generator, a DC:DC converter, and...