US Patent Issued to SAFRAN TRANSMISSION SYSTEMS, SAFRAN AIRCRAFT ENGINES on Nov. 25 for "Mechanical reducer for an aircraft turbomachine" (French Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,451, issued on Nov. 25, was assigned to SAFRAN TRANSMISSION SYSTEMS (Colombes, France) and SAFRAN AIRCRAFT ENGINES (Paris).

"Mechanical reducer for an aircraft turbomachine" was invented by Adrien Louis Simon (Moissy-Cramayel, France), Luc Henri Chatenet (Moissy-Cramayel, France), Boris Pierre Marcel Morelli (Moissy-Cramayel, France) and Jonathan Jean-Pierre Rouffet (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mechanical reducer for a turbomachine for an aircraft, this reducer having a sun gear with internal splines and an external toothing, a ring gear which extends around the sun gear and which has an internal toothing...