US Patent Issued to SAFRAN HELICOPTER ENGINES on Nov. 4 for "Method for regulating the speed of rotation of a propulsion device of a hybrid propulsion unit for an aircraft, in the event of a failure of the main regulation system of the heat engine of the hybrid propulsion unit" (French Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,587, issued on Nov. 4, was assigned to SAFRAN HELICOPTER ENGINES (Bordes, France).

"Method for regulating the speed of rotation of a propulsion device of a hybrid propulsion unit for an aircraft, in the event of a failure of the main regulation system of the heat engine of the hybrid propulsion unit" was invented by David Bernard Martin Lemay (Moissy-Cramayel, France), Jean-Philippe Jacques Marin (Moissy-Cramayel, France) and Jean-Luc Charles Gilbert Frealle (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for regulating the speed of a propulsion device of an aircraft including: the propulsion device and a gearbox MGB;...