US Patent Issued to SAFRAN HELICOPTER ENGINES on Aug. 4 for "Hybrid propulsion system for an aircraft" (French Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,742, issued on Aug. 4, was assigned to SAFRAN HELICOPTER ENGINES (Bordes, France).

"Hybrid propulsion system for an aircraft" was invented by Romain Jean Gilbert Thiriet (Moissy-Cramayel, France), Camel Serghine (Moissy-Cramayel, France) and Thomas Drouin (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hybrid propulsion system including a turbine engine including a high-pressure spool and a low-pressure spool, the low-pressure spool including reduction gear, the reduction gear forming part of a transmission gearbox which is positioned axially at a front end of the propulsion system; -first and second electric machines mechan...