The present invention relates to a medium and small ship, which includes: a protecting plate coupled to a keel at the center of the ship bottom of a hull; and a duct part of a jet propeller, which is coupled between a back surface of the ship bottom and the protecting plate, wherein the duct part is coupled to the back surface of the ship bottom and the stern after being inserted into a back surface of a seawater inducing tunnel. Therefore, the medium and small ship can improve efficiency of thrust.

    본 발명은 중소형 선박에 관한 것으로, 선체의 선저 중앙의 킬에 결합하는 보호플레이트; 및 상기 선저 후면과 상기 보호플레이트 사이에 결합하는 제트 추진기의 덕트부;를 포함하되, 상기 덕트부는 해수유도터널 후면에 삽입 후 선저 후면과 선미에 결합하는 것을 특징으로 한다.


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    Title :

    Medium and small-sized vessels


    Additional title:

    중소형 선박


    Contributors:
    KO HO NAM (author)

    Publication date :

    2020-08-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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