公开(公告)号：US20250084768A1

公开(公告)日：2025-03-13

申请号：US18808248

申请日：2024-08-19

Applicant: ROLLS-ROYCE plc

Inventor： Andrew MEKERESZ ,  Anastasios KOVANIS ,  John J. BOLGER ,  Benedict R PHELPS

IPC: F01D11/00

Abstract: An annulus filler of a gas turbine engine includes an outer lid including a leading edge, a trailing edge, a first longitudinal edge, a second longitudinal edge, and an outer radial surface. The outer radial surface includes a first nominal surface portion and a second nominal surface portion. The outer radial surface further includes a protruding surface portion extending radially outwardly from each of the first nominal surface portion and the second nominal surface portion and a recessed surface portion extending radially inwardly from each of the first nominal surface portion and the second nominal surface portion. Each of the protruding surface portion and the recessed surface portion is configured to redirect an air drawn through the gas turbine engine.