公开(公告)号：US20200024961A1

公开(公告)日：2020-01-23

申请号：US16211840

申请日：2018-12-06

Applicant: ROLLS-ROYCE plc

Inventor： Thomas MELIA

IPC: F01D5/18

Abstract: An aerofoil, comprises: a wall comprising an external surface, and an internal surface defining a cavity for receiving a cooling fluid in use; a first trench formed in the external surface, and a second trench formed in the external surface; a first passageway extending from a first passageway inlet in the cavity to a first passageway outlet in the first trench, and a second passageway extending from a second passageway inlet in the cavity to a second passageway outlet in the second trench; wherein the first passageway and second passageway intersect within the wall.