公开(公告)号：US11527228B2

公开(公告)日：2022-12-13

申请号：US16266411

申请日：2019-02-04

Applicant: ROLLS-ROYCE plc

Inventor： Richard Peace ,  Oliver C. Taylor-Tibbott ,  John G. Marshall

IPC: G10K11/168 ,  F01D25/24 ,  F02C7/24 ,  G10K11/172 ,  H02K5/24 ,  H02K7/18 ,  F02K1/82 ,  F02C7/045

Abstract: A fairing for a power generation machine, the fairing comprising: a first layer comprising a metallic material; a second layer comprising a composite; and a third layer positioned between the first layer and the second layer, the third layer being configured to attenuate acoustic waves over a predetermined frequency range.