ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,854, issued on March 3, was assigned to SAFRAN HELICOPTER ENGINES (Bordes, France).
"Hybrid propulsion turboprop engine coupled to a propeller and aircraft comprising such a turboprop engine" was invented by Thomas Klonowski (Moissy-Cramayel, France) and Lucie Stephanie Apostin (Moissy-Cramayel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A turbomachine includes a propeller, a propeller shaft carrying the propeller, a rotating electric machine, having at least a first configuration in which it is mechanically coupled to the propeller shaft, and a motor oil pump supplying a lubricating circuit of the turbomachine. The rotating electric mach...