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    Variable venturi type carburetor
    31.
    发明授权
    Variable venturi type carburetor 失效
    可变文丘里型化油器

    公开(公告)号：US4377538A

    公开(公告)日：1983-03-22

    申请号：US277361

    申请日：1981-06-25

    申请人： Satomi Wada

    发明人： Satomi Wada

    IPC分类号： F02M3/08 ,  F02D9/10 ,  F02M3/14 ,  F02M7/17 ,  F02M19/00 ,  F02M29/00 ,  F02M33/04 ,  F02M9/06

    CPC分类号： F02M7/17 ,  F02M3/14 ,  F02M33/04

    摘要： A variable venturi type carburetor having a suction piston adapted to be moved toward and away from an opposing wall of the intake barrel in response to a change in the intake air flow rate so as to change the area of the venturi portion. The carburetor has a throttle valve with a tube-formed fuel introduction port through which the space defined at both sides of the throttle valve are communicated with each other. The fuel introduction port is so arranged that its upstream side end opening facing the suction piston is directed toward the wall to which the fuel discharged from the main jet is attached when the opening degree of the throttle valve is small.

    摘要翻译： 具有吸入活塞的可变文丘里型化油器，其适于响应于进气流量的变化而朝向和远离进气筒的相对壁移动，以便改变文丘里管部分的面积。 化油器具有节流阀，其具有管形燃料引入口，限定在节流阀两侧的空间彼此连通。 燃料引入口被布置成当节流阀的开度小时，其面向吸入活塞的上游侧端部开口朝向附接有从主喷射器排出的燃料的壁。