The present invention provides a noise reducing device. The noise reducing device of the present invention includes: an outer shell forming an outward shape having an entrance through which an air current flows and an exit through which the air current is discharged; and a first resonance container installed in the outer shell in a longitudinal direction and having a first noise offsetting space therein while having a structure in which one end close to the entrance is closed and the other end close to the exit is opened.

    본 발명은 소음 저감 장치를 제공한다. 본 발명의 소음 저감 장치는 기류가 유입되는 입구와 기류가 빠져나가는 출구를 갖는 외형을 구성하는 외통; 및 상기 외통 내부에 길이방향으로 설치되고, 상기 입구에 가까운 일단은 막혀있고 상기 출구에 가까운 타단은 오픈된 구조로 내부에 제1소음 상쇄 공간을 갖는 제1공명통을 포함할 수 있다.


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    Title :

    NOISE REDUCING DEVICE


    Additional title:

    소음 저감 장치


    Contributors:
    PARK SEONGJONG (author) / PARK YONGHWAN (author) / KIM JONGDO (author) / AN JUNGEUN (author) / LEE SUNGJU (author) / CHOI CHOONGYOUNG (author) / HAM JONGHO (author)

    Publication date :

    2019-05-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS / F24F Klimatisierung , AIR-CONDITIONING / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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