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    Air intake system for multi-cylinder engine, an engine equipped therewith and rotary-type throttle valve therefor
    2.
    发明公开
    Air intake system for multi-cylinder engine, an engine equipped therewith and rotary-type throttle valve therefor 有权
    进气系统为一个多缸内燃机中，从而搭载内燃机和旋转叶片供

    公开(公告)号：EP1403483A1

    公开(公告)日：2004-03-31

    申请号：EP03022110.5

    申请日：2003-09-29

    申请人： Mazda Motor Corporation

    发明人： Iwata, Noriyuki ,  Hirashita, Shigeyuki ,  Yohso, Takashi ,  Fujikawa, Tatsuya

    IPC分类号： F02B31/08 ,  F02D9/16

    CPC分类号： F02B27/0284 ,  F02B27/0289 ,  F02B31/085 ,  F02D9/16 ,  Y02T10/146

    摘要： A throttle valve device (7) is arranged in the midstream of an individual passage (5) consisting of a low-speed individual intake passage (10) and a high-speed individual intake passage (11 ) on the downstream of a surge tank (4). A valve body (8) is rotatably provided in the throttle valve device (7). The inside of the valve body (8) is formed with an in-valve low-speed passage (21) and an in-valve high-speed passage (22) that are adjacently placed with respect to the rotational axis (RA) of the valve body (8). The intake air supply is performed through only the upstream low-speed individual intake passage (10) when the opening of the valve body (8) is equal to or less than a predetermined value, and through both the low-speed individual intake passage (10) and high-speed individual intake passage (11 ) when the opening of the valve body (8) is larger than the predetermined value.

    摘要翻译： 该系统具有在节流阀装置（7），并用空间，这带来了形成有与进气通道连通的阀主体（8）。 阀体的旋转运动实现，其中进气被通过分支进气通道与其余通道阻断空气供应到燃烧室中的一部分施加的状态，并且其中空气通过所有分支路提供的另一个状态。 阀体是圆形的当沿其旋转轴线观察时围绕所述轴线旋转。 因此独立claimsoft被包括在在空气吸入系统，配备有引擎。