ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,582, issued on July 15, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).
"Labyrinth seal comprising an abradable element with variable cell density" was invented by Clement Raphael Laroche (Moissy-Cramayel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a labyrinth seal for a turbine engine, in particular of an aircraft, comprising a rotor element and a stator element extending around the rotor element, the rotor element being suitable for rotating relative to the stator element about an axis of rotation having an axial direction (DA), the rotor element comprising an annular lip having an outer radial end exte...