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    • 9. 发明申请
    • PROPELLER FOR OUTBOARD MOTOR
    • 螺旋桨用于外置电机
    • US20120269639A1
    • 2012-10-25
    • US13400474
    • 2012-02-20
    • Takuya SATO
    • Takuya SATO
    • B63H1/26
    • B63H1/26B63B2231/06B63B2231/12B63B2231/18B63H1/28
    • An outboard motor is generally mounted to a hull of a boat, for example, and includes a propeller fixed to a rear portion of a propeller shaft pivotally supported in an anteroposterior direction of the hull on a lower portion of the outboard motor. The propeller includes a cylindrically formed propeller hub, and blades provided radially on an outer side of the propeller hub, and having surfaces of the blades, including blade body and root portion, to which a shot-peening treatment is applied. The propeller may be formed of a metal material having a surface on which an oxide coating is formed by heating the metal material.
    • 例如,舷外马达通常安装在船体上,并且包括固定在驱动轴的后部的推进器,所述螺旋桨轴在所述舷外马达的下部可转动地支撑在所述船体的前后方向上。 螺旋桨包括圆柱形的螺旋桨轮毂,并且叶片径向地设置在螺旋桨轮毂的外侧上,并且具有叶片的表面,包括叶片体和根部,施加喷丸处理。 螺旋桨可以由具有通过加热金属材料形成氧化物涂层的表面的金属材料形成。