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    • 9. 发明申请
    • EGR CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
    • 内燃机用EGR控制装置
    • US20110308503A1
    • 2011-12-22
    • US13116567
    • 2011-05-26
    • Yuji YasuiEiji HashimotoHisao HagaKoichi Nakajima
    • Yuji YasuiEiji HashimotoHisao HagaKoichi Nakajima
    • F02M25/07
    • F02D41/005F02M26/05F02M26/06F02M26/22Y02T10/47
    • An EGR control apparatus for an internal combustion engine, which is capable of properly controlling an inert gas amount of two types of EGR gas supplied to cylinders of the engine via two paths different from each other, thereby making it possible to ensure a stable combustion state, reduced exhaust emissions, and improve operability. The EGR control apparatus includes low-pressure and high-pressure EGR devices, and an ECU. The ECU controls the low-pressure and high-pressure EGR gas amounts according to engine speed and demanded torque, and when a combination of engine speed and demanded torque is in a predetermined region, the low-pressure and high-pressure EGR gas amounts are controlled such that inert gas in low-pressure EGR gas exceeds in amount inert gas in high-pressure EGR gas, and the former more exceeds the latter as engine speed is higher or demanded torque is larger.
    • 一种用于内燃机的EGR控制装置,其能够通过彼此不同的两条路径适当地控制供给到发动机的气缸的两种EGR气体的惰性气体量,从而可以确保稳定的燃烧状态 ,减少废气排放,提高可操作性。 EGR控制装置包括低压和高压EGR装置和ECU。 ECU根据发动机转速和要求转矩控制低压高压EGR气体量,当发动机转速和要求转矩的组合处于规定区域时,低压高压EGR气体量为 控制使得低压EGR气体中的惰性气体在高压EGR气体中超过惰性气体量,并且当发动机转速较高或要求转矩较大时,前者大于后者。