An acoustic load reduction device (sound absorber) according to one embodiment of the present invention comprises: a sound absorber body having a front plate having a plurality of first openings formed therein; and an upper plate having a plurality of second openings formed therein, each of which is connected to at least a portion of the plurality of first openings and is arranged to be in communication with the plurality of first openings, and is mounted on the front plate so as to be slidable relative to the front plate.

    본 발명의 한 실시예에 따른 음향하중 저감장치(흡음기)는, 복수 개의 제1 개구가 형성된 전면플레이트를 구비하는 흡음기몸체부, 및 상기 복수 개의 제1 개구와 적어도 일부분이 각각 연결되어 통하게 배치된 복수 개의 제2 개구가 형성되고 상기 전면플레이트에 상대적으로 슬라이딩 가능하게 상기 전면플레이트 상에 장착되는 상부플레이트를 포함하는 것을 특징으로 한다.


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    Title :

    Device for reducing acoustic load


    Additional title:

    음향하중 저감장치


    Contributors:

    Publication date :

    2023-12-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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