Engine intake valve timing control apparatus
    2.
    发明公开
    Engine intake valve timing control apparatus 审中-公开
    Timing-Steuervorrichtungfürein Motoreneinlassventil

    公开(公告)号:EP1921296A2

    公开(公告)日:2008-05-14

    申请号:EP07119034.2

    申请日:2007-10-23

    IPC分类号: F02D33/02 F02D41/04 F02D41/06

    摘要: An engine intake valve timing control apparatus includes a fuel injection control section, a valve open timing control section, and a valve timing change rate setting section. The fuel injection control section is configured to control a fuel injection quantity of fuel injected from a fuel injector into an intake port of an engine in accordance with an operating condition of the engine. The valve open timing control section is configured to control an open timing (VTC) of an intake valve to a target open timing (VTCTO). The valve timing change rate setting section sets a change rate at which the open timing of the intake valve is changed from a current open timing to the target open timing (S2) when the target open timing is updated (S1), the change rate being set using a parameter relating to a vaporization rate of the fuel adhered to the intake port.

    摘要翻译: 发动机进气门正时控制装置包括燃料喷射控制部,阀打开正时控制部和气门正时变化率设定部。 燃料喷射控制部构成为根据发动机的运转状况,控制从燃料喷射器喷射到发动机的进气口的燃料的燃料喷射量。 阀打开正时控制部被配置为将进气门的打开正时(VTC)控制到目标打开定时(VTCTO)。 气门正时变化率设定部设定当更新目标打开定时时(S1),进气门的打开正时从当前打开定时向目标打开定时(S2)变化的变化率(S1),变化率为 使用与附着到进气口的燃料的汽化速率有关的参数进行设定。