According to one embodiment of the present invention, a backflow preventing apparatus includes: a body in which an upper portion is opened and a drain is connected to a lower portion; a grating unit coupled to an opened upper side of the body and having a first penetration hole; a guide pipe in which the external circumferential surface is spaced apart from the inner circumferential surface of the body and a lower end portion is coupled to the bottom of the grating unit so as to be spaced apart from the floor surface of the body; and a backflow preventing unit provided in the guide pipe so as to cover the drain and preventing fluid from flowing backward from the drain.

    본 발명의 일 실시예에 따른 역류 방지 장치는 상부가 개방되고 하부에 배수구가 연결된 몸체, 상기 몸체의 개방된 상측에 결합되고 제1 관통홀이 형성된 그레이팅부, 외주면이 상기 몸체의 내주면과 이격되고 하측 단부는 상기 몸체의 바닥면과 이격되도록 상기 그레이팅부의 저면에 결합되는 가이드관 및 상기 배수구를 덮도록 상기 가이드관의 내측에 배치되어, 상기 배수구로부터 유체가 역류하는 것을 방지하는 역류 방지부를 포함할 수 있다.


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    Title :

    BACKFLOW PREVENTION SCUPPER


    Additional title:

    역류 방지 장치


    Contributors:
    LEE GYU HO (author) / KIM TAE WON (author) / KIM HYUN HYO (author)

    Publication date :

    2019-07-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F16K VALVES , Ventile



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