ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,322, issued on Jan. 20, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).
"Gas turbine engine stator vane stage" was invented by Lorenzo Sanzari (Montreal) and Franco Di Paola (Montreal).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine is provided that includes a compressor section, a combustion section, and a turbine section. The turbine section has a rotor stage disposed adjacent an annular stator vane stage. The annular stator vane stage includes an annular inner and outer radial shrouds, stator vanes, and a retaining ring. The stator vanes are circumferentially spaced apart from one another, extending between th...