US Patent Issued to SAFRAN AIRCRAFT ENGINES on Dec. 23 for "Architecture of a turbomachine with counter-rotating turbine" (French Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,976, issued on Dec. 23, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).

"Architecture of a turbomachine with counter-rotating turbine" was invented by Olivier Formica (Moissy-Cramayel, France), Romain Truco (Moissy-Cramayel, France) and Paul Ghislain Albert Levisse (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Counter-rotating turbine of a turbomachine extending about an axis of rotation and comprising an inner rotor having at least one inner moving blade supported in rotation by a first shaft, an outer rotor rotating in an opposite direction to the inner rotor, and comprising at least one outer moving blade supported in r...