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    Fuel Injection Device
    10.
    发明申请
    Fuel Injection Device 审中-公开
    燃油喷射装置

    公开(公告)号：US20120227709A1

    公开(公告)日：2012-09-13

    申请号：US13415960

    申请日：2012-03-09

    申请人： Ryo KUSAKABE ,  Motoyuki Abe ,  Tohru Ishikawa ,  Noriyuki Maekawa ,  Masahiro Soma ,  Takao Miyake ,  Yasuo Namaizawa

    发明人： Ryo KUSAKABE ,  Motoyuki Abe ,  Tohru Ishikawa ,  Noriyuki Maekawa ,  Masahiro Soma ,  Takao Miyake ,  Yasuo Namaizawa

    IPC分类号： F02M51/06

    摘要： In a fuel injection device, a driving unit structure has a magnetic aperture, in which an inner diameter is gradually enlarged toward the mover side, provided in an inner peripheral surface of the magnetic core. It is possible to reduce magnetic delay time upon valve opening from the supply of the electric current to the coil to the rise of magnetic flux and magnetic delay time upon valve closing from the stoppage of the electric current to the coil to reduction of magnetic flux, by providing a magnetic aperture in the inner peripheral surface of the magnetic core. Thus it is possible to improve the dynamic responsiveness upon valve opening and valve closing.

    摘要翻译： 在燃料喷射装置中，驱动单元结构具有设置在磁芯的内周面内的朝向移动侧逐渐增大的磁性孔。 从电流向线圈的电流到磁通的上升以及从关闭电流到线圈的电磁阀关闭时的磁延迟时间可以减少磁性延迟时间，以减小磁通量， 通过在磁芯的内周面上设置磁性孔。 因此，可以提高开阀和关阀时的动态响应性。