The invention relates to a sound absorption structure. An acoustic structure presenting a front surface and a rear surface is provided. The acoustic structure includes: a support layer constituting a rear surface; a honeycomb core comprising a thickness defined between the back face and the front face, and a plurality of walls defining a plurality of honeycomb cells, where the plurality of honeycomb cells extend through the thickness of the honeycomb core that opens outward at least toward the front face, and where the back face of the honeycomb core is affixed to the support layer; the mesh layer is attached to the front surface of the honeycomb core; the woven fabric layer is attached to the mesh layer and attached to the front surface of the acoustic structure.

    本发明的名称是吸声结构。提供了呈现前表面和后表面的声学结构。声学结构包含:支撑层,其构成后表面;蜂窝芯子,其包括限定在背面和前面之间的厚度,以及限定多个蜂窝单元的多个壁,其中多个蜂窝单元延伸穿过至少朝着前面向外开口的蜂窝芯子的厚度,并且其中蜂窝芯子的背面贴附于支撑层;网孔层,其贴附于蜂窝芯子的正面;以及编织织物层,其贴附于网孔层并贴合声学结构的前表面。


    Access

    Download


    Export, share and cite



    Title :

    Sound absorption structure


    Additional title:

    吸声结构



    Publication date :

    2023-02-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge




    SOUND ABSORPTION STRUCTURE

    OGAKI SHIGEO | European Patent Office | 2024

    Free access

    SOUND ABSORPTION STRUCTURE

    TOMIMATSU KIYOYUKI | European Patent Office | 2020

    Free access

    SOUND ABSORPTION STRUCTURE

    SAMATA MOEMI / TOYOSHIMA KENICHI / MIURA SUSUMU | European Patent Office | 2023

    Free access

    SOUND ABSORPTION STRUCTURE

    KIMURA KAZUNORI / MORIYA TETSUYA / TSUBOI HIROYUKI et al. | European Patent Office | 2021

    Free access