ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,860, issued on Sept. 23, was assigned to ROLLS-ROYCE plc (London).
"Annulus filler for a gas turbine engine" was invented by Anastasios Kovanis (Derby, Great Britain) and Andrew Mekeresz (Derby, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An annulus filler for mounting to a rotor disc of a gas turbine engine includes a coupling portion and an outer lid coupled to the coupling portion. The outer lid includes a leading edge, a trailing edge, and a main portion including an outer radial surface. The outer lid further includes a protruding portion connected to the main portion and extending radially outwardly from the main portion. The...