The present invention provides a propulsion apparatus for a ship which can prevent a leakage of bearing oil (lubricant). The propulsion apparatus for a ship comprises: a first rotary shaft; a second rotary shaft provided to be concentrically rotated with the first rotary shaft in the first rotary shaft; a bearing installed between the first rotary shaft and the second rotary shaft to rotatably support the second rotary shaft in the first rotary shaft; and a seal member separated from the bearing, installed between the first and the second rotary shaft, and separated from the bearing to be provided. The seal member includes: a seal housing; a plurality of lip seals, wherein one end of each lip seal is fixed to the seal housing and the other end of each lip seal slides and comes in contact with a liner in an axial direction of the second rotary shaft; and an adapter ring inserted between the seal housing and an inner surface of the first rotary shaft to block a gap between the seal housing and the first rotary shaft.

    본 발명은 선박용 추진 장치를 제공한다. 본 발명의 선박용 추진 장치는 제1회전축; 상기 제1회전축의 내부에서 상기 제1회전축과 동심축상으로 회전 가능하게 제공되는 제2회전축; 상기 제1회전축 내부에서 상기 제2회전축을 회전가능하게 지지하도록 상기 제1회전축 및 상기 제2회전축 사이에 설치되는 베어링; 상기 베어링과 이격되고, 상기 제1회전축 및 상기 제2회전축 사이에 설치되고, 상기 베어링과 이격되어 제공되는 씰 부재를 포함하되; 상기 씰 부재는 씰 하우징; 상기 씰 하우징에 일단이 고정되며, 타측은 상기 제2회전축의 축 방향을 따라 라이너에 미끄럼 접촉하는 복수의 립 시일; 및 상기 씰 하우징과 상기 제1회전축의 내면 사이에 끼워져 상기 씰 하우징과 상기 제1회전축 사이 틈새를 차단하는 어댑터 링을 포함할 수 있다.


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    Title :

    PROPULSION APPARATUS FOR SHIP AND SHIP HAVING THE SAME


    Additional title:

    선박용 추진 장치 및 이를 갖춘 선박


    Contributors:
    SIM DAE YOUNG (author) / KIM JIN HO (author)

    Publication date :

    2018-06-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F16J Kolben , PISTONS



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