ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,971, issued on May 27, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).
"Turbomachine for an aircraft" was invented by Nicolas Stoliaroff-Pepin (Moissy-Cramayel, France), Julien Fabien Patrick Becoulet (Moissy-Cramayel, France), Maeva Daphne Gros-Borot (Moissy-Cramayel, France) and Paco Maurer (Moissy-Cramayel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A turbomachine includes a low-pressure shaft having an internal passage for a first air stream and a first segment. A second segment includes a first frustoconical portion, and an intermediate lubrication chamber wherein at least one bearing is arranged. The intermediate lubrication chambe...