Provided is a retractable ballast tank comprising: a ballast tank which is embedded in the bottom of a ship in normal times; and a descent unit which allows the ballast tank to descend from the ship when necessary. Therefore, the present invention lowers the center of mass of the ship by allowing the ballast tank to descend when necessary, thereby improving restoring force and recovering the stability of the ship.

    일반적인 운항 상황에서 선박의 바닥에 내장되는 밸러스트 탱크; 및 필요시 상기 밸러스트 탱크를 선박으로부터 하강시키도록 설치되는 하강수단;을 포함하는 것을 특징으로 하는, 하강 철회식 밸러스트 탱크가 제공되며, 그에 따라, 필요시 밸러스트 탱크를 하강시켜 선박의 무게중심을 낮춤으로써 복원력을 향상시키고 선박의 복원성을 회복할 수 있다.


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    Title :

    RETRACTABLE BALLAST TANK


    Additional title:

    하강 철회식 밸러스트 탱크


    Contributors:

    Publication date :

    2016-01-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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