US Patent Issued to SAFRAN HELICOPTER ENGINES on May 20 for "Hybrid propulsion system and method for controlling such a system" (French Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,645, issued on May 20, was assigned to SAFRAN HELICOPTER ENGINES (Bordes, France).

"Hybrid propulsion system and method for controlling such a system" was invented by Lois Pierre Denis Vive (Moissy-Cramayel, France), Thomas Klonowski (Moissy-Cramayel, France) and Camel Serghine (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hybrid propulsion system for a multi-rotor rotary-wing aircraft, including: an internal combustion engine, an electric machine coupled to the internal combustion engine, a rectifier connected to the electric machine, a converter, an electric network connecting the rectifier to the converter, electric mo...