US Patent Issued to SAFRAN HELICOPTER ENGINES on March 18 for "Hybrid propulsion unit for an aircraft" (French Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,261, issued on March 18, was assigned to SAFRAN HELICOPTER ENGINES (Bordes, France).

"Hybrid propulsion unit for an aircraft" was invented by Thomas Klonowski (Moissy-Cramayel, France) and Thomas Bruno Barraco (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hybrid propulsion unit for an aircraft with multi-rotor rotary wings includes an electrical generator driven by an internal combustion engine, a rectifier configured to convert an AC current sent by the electrical generator into DC current, a DC-AC converter, an electrical network connecting the rectifier to the converter and including a high-voltage DC current bus, ele...