An icebreaker is disclosed. The icebreaker according to an embodiment of the present invention comprises: a hull in which a rudder for adjusting a traveling direction is provided on one side; a variable ice knife provided in the hull adjacent to the rudder to protect the rudder or the hull from ice, while capable of entering and exiting the hull in a variable manner; and a knife driving device provided on the hull, connected to the variable ice knife, and driving the variable ice knife so that the variable ice knife can enter and exit the hull. By applying the variable ice knife, which is away from a conventional fixed type, the icebreaker can effectively prevent the deterioration of propulsion performance even when operating in general seas without glaciers.

    쇄빙선이 개시된다. 본 발명의 일 실시예에 따른 쇄빙선은, 진행 방향을 조정하는 러더(rudder)가 일측에 마련되는 선체; 러더에 인접하게 선체에 마련되어 얼음(ice)으로부터 러더 또는 선체를 보호하되 선체 내외로 출입 가능하게 가변형으로 마련되는 가변형 아이스 나이프(ice knife); 및 선체에 마련되고 가변형 아이스 나이프에 연결되며, 가변형 아이스 나이프가 선체 내외로 출입 가능하게 가변형 아이스 나이프를 구동시키는 나이프 구동장치를 포함한다.


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    Title :

    ICE BREAKER


    Additional title:

    쇄빙선


    Contributors:
    SONG CHI SU (author) / KIM KI BUM (author) / PAK KYUNG RYEUNG (author) / YANG HEE JOON (author) / LEE KI SEUNG (author) / LEE TAE GOO (author)

    Publication date :

    2022-03-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F16H Getriebe , GEARING




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