Provided is a ship propelling apparatus including a rotation shaft on which a rear propeller is fixed; a front propeller rotatably supported on the rotation shaft in front of the rear propeller; and a counter-rotating device through which the rotation shaft passes, which includes a gear box including therein a plurality of gears configured to reverse rotation of the rotation shaft and transfer the reversed rotation to the front propeller, and which is installed in an installation space formed at the rear of a ship. A fixing flange provided at the front of the gear box includes a separation groove which is a through-groove, wherein the gear box is separated from the installation space by applying a force to the gear box by inserting a bolt into the separation groove.


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    Title :

    SHIP PROPELLING APPARATUS


    Additional title:

    SCHIFFSANTRIEBSVORRICHTUNG
    APPAREIL DE PROPULSION DE NAVIRE


    Contributors:
    OH SE MYUN (author) / PARK HYUN SANG (author) / LEE TAE GOO (author) / LEE DONG HYUN (author) / LEE TAE SIK (author)

    Publication date :

    2020-07-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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