公开(公告)号：US11735153B2

公开(公告)日：2023-08-22

申请号：US16725411

申请日：2019-12-23

Applicant: Safran Nacelles

Inventor： Xavier Cazuc ,  Meril Dehez ,  Laure Hamel ,  Eric Thisse

IPC: G10K11/162 ,  B64D33/02 ,  F02C7/045 ,  F02C7/24

CPC classification number: G10K11/162 ,  B64D33/02 ,  F02C7/045 ,  F02C7/24 ,  B64D2033/0206 ,  B64D2033/0273

Abstract: An acoustic treatment device for an aircraft turbojet engine nacelle forms an annular ring including several sections, each section having a sound absorption structure, an outer skin and two lateral skins attached to the inner air inlet shroud of such a nacelle by fasteners, and the sections being connected to each other by battens.