US Patent Issued to SAFRAN HELICOPTER ENGINES on Nov. 11 for "Free turbine turbogenerator comprising a reversible electrical machine coupled to the free turbine" (French Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,378, issued on Nov. 11, was assigned to SAFRAN HELICOPTER ENGINES (Bordes, France).

"Free turbine turbogenerator comprising a reversible electrical machine coupled to the free turbine" was invented by Lois Pierre Denis Vive (Moissy-Cramayel, France), Thomas Drouin (Moissy-Cramayel, France) and Olivier Bedrine (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a turbogenerator, in particular for an electrically-driven rotary wing aircraft, comprising a gas generator equipped with a first shaft, at least one reversible electrical machine, and a free turbine provided with a second shaft and caused to rotate by a gas fl...