ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,336, issued on Feb. 10, was assigned to SAFRAN (Paris).
"Treatment of non-axisymmetric casing with controlled opening" was invented by Simon Pierre Michel Martin (Moissy-Cramayel, France), Gabriel Perez (Moissy-Cramayel, France) and William Henri Joseph Riera (Moissy-Cramayel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "Casing of a gas turbine engine compressor comprising openings cut in the thickness of the casing from an inner surface of the casing and arranged side by side over a circumference of the casing, characterised in that it also comprises a movable ring, formed by at least two annular portions, positioned on an outer surface of...