A tubular damper unit (30) to be disposed between a propeller shaft (10) of a vessel propulsion apparatus (1) and a propeller member (24) including a plurality of blades (28) provided on an outer surface of the propeller member (24), the damper unit (30) comprising: a bushing (31) to be spline-coupled to the propeller shaft (10), including a first cylindrical portion (40) and a first protrusion (41), the first cylindrical portion (40) being made of metal, the first cylindrical portion (40) surrounding the propeller shaft (10), the first cylindrical portion (40) including a spline hole (40s) provided on an inner circumferential surface of the first cylindrical portion (40), the first protrusion (41) protruding outward from a front portion of the first cylindrical portion (40), the first protrusion (41) being integral with the first cylindrical portion (40); and a propeller damper (32) made of an elastic material and disposed around the first cylindrical portion (40) of the bushing (31).


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    Title :

    PROPELLER FOR VESSEL PROPULSION APPARATUS AND VESSEL PROPULSION APPARATUS INCLUDING THE SAME


    Additional title:

    PROPELLER FÜR EINE SCHIFFSANTRIEBSVORRICHTUNG UND SCHIFFSANTRIEBSVORRICHTUNG DAMIT
    HÉLICE D'UN APPAREIL DE PROPULSION DE NAVIRE ET APPAREIL DE PROPULSION DE NAVIRE COMPRENANT CELLE-CI


    Contributors:
    ARIGA KOMA (author)

    Publication date :

    2020-07-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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