US Patent Issued to SAFRAN HELICOPTER ENGINES on Sept. 23 for "Propulsive assembly for a multi-engine hybrid aircraft" (French Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,943, issued on Sept. 23, was assigned to SAFRAN HELICOPTER ENGINES (Bordes, France).

"Propulsive assembly for a multi-engine hybrid aircraft" was invented by Benjamin Nicolas Fulleringer (Moissy-cramayel, France), Antoine Pascal Moutaux (Moissy-Cramayel, France) and Romain Jean Gilbert Thiriet (Moissy-cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A propulsive assembly including a first and a second gas turbine each having a gas generator and a free power turbine, a main rotor coupled to the free power turbine of a first and a second main coupling, a first and a second reversible electric machine each coupled to the gas generator, ...