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    DIESEL ENGINE
    4.
    发明公开
    DIESEL ENGINE 审中-公开
    DIESELMOTOR

    公开(公告)号：EP2500543A1

    公开(公告)日：2012-09-19

    申请号：EP10830018.7

    申请日：2010-11-12

    申请人： Toyota Jidosha Kabushiki Kaisha ,  Kabushiki Kaisha Toyota Jidoshokki

    发明人： INAGAKI, Kazuhisa ,  MIZUTA, Jun'ichi ,  UEDA, Matsuei ,  FUYUTO, Takayuki ,  KAWAGUCHI, Akio ,  HASHIZUME, Takeshi ,  KAWAE, Tsutomu ,  KUZUYAMA, Hiroshi

    IPC分类号： F02B23/06 ,  F02F3/26 ,  F02M61/14 ,  F02M61/18

    CPC分类号： F02B23/0672 ,  F02B23/0621 ,  F02B23/0651 ,  F02B23/0669 ,  F02B31/085 ,  F02M61/182 ,  F02M61/188 ,  Y02T10/125 ,  Y02T10/146

    摘要： When diffusion combustion is performed, a squash flow (24) flows from a squash area (22) into a cavity portion (12b) during the compression stroke, the squish flow (24) is generated to form in the cavity portion (12b) a longitudinal vortex flow, in which a flow at an portion in the cylinder, has a velocity component directed inward in a radial direction of the cylinder and a flow at a lower portion in the cylinder has a velocity component directed outward in a radial direction of the cylinder. Fuel is injected from nozzle holes (13a) at injector (13), which is disposed top face the center portion of the cavity portion to to an outer peripheral portion of the cavity portion (12b), and a ratio between the diameter or the cavity and the diameter of a cylinder bore falls within a range of 0.66 to 0.76.

    摘要翻译： 当进行扩散燃烧时，压缩冲程期间南瓜流（24）从壁球区域（22）流入空腔部分（12b），产生挤压流（24）以在空腔部分（12b）中形成 纵向涡流，其中在气缸中的一部分处的流动具有在气缸的径向方向上向内指向的速度分量，并且气缸中的下部处的流量具有沿着圆柱体的径向方向向外的速度分量 圆筒。 燃料从喷射器（13）处的喷嘴孔（13a）喷射，喷射器（13）设置在空腔部分的中心部分的顶部的顶部到达空腔部分（12b）的外周部分，并且直径或腔 缸径的直径在0.66〜0.76的范围内。