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    • 56. 发明申请
    • APPARATUS FOR AND METHOD OF CONTROLLING FUEL INJECTION OF INTERNAL COMBUSTION ENGINE
    • 燃油喷射内燃机的控制方法及控制方法
    • US20090082942A1
    • 2009-03-26
    • US12210444
    • 2008-09-15
    • Masanobu OhsakiMasami Nagano
    • Masanobu OhsakiMasami Nagano
    • F02D41/30
    • F02D41/34F02D41/10F02D41/3094F02M41/00Y02T10/44
    • A first fuel injection valve is arranged in an intake port of an internal combustion engine and also a second fuel injection valve capable of exhibiting a spray property having a vaporization characteristic higher than that of the first fuel injection valve is arranged on the intake air flow downstream side of the first fuel injection valve, the fuel injection is performed by the second fuel injection valve at a cranking time, and after a predetermined time has elapsed from completion of the cranking, the share for the first fuel injection is gradually increased to thereby change-over the fuel injection to that by the first fuel injection valve. Further, at a time of the engine acceleration, a main fuel injection amount is injected by the first fuel injection valve and a fuel injection amount equivalent to an increasing amount for acceleration is injected by the second fuel injection, thereby eventually improving the fuel consumption as well as the exhausting performance.
    • 第一燃料喷射阀布置在内燃机的进气口中,并且还可以在下游的进气流中布置具有高于第一燃料喷射阀的蒸发特性的喷雾性能的第二燃料喷射阀 在第一燃料喷射阀的一侧,在起动时由第二燃料喷射阀执行燃料喷射,并且在从起动完成起经过预定​​时间之后,第一燃料喷射的份额逐渐增加,从而改变 - 通过第一燃料喷射阀的燃料喷射。 此外,在发动机加速时,通过第一燃料喷射阀喷射主燃料喷射量,通过第二燃料喷射喷射与加速度增加量相当的燃料喷射量,从而最终将燃料消耗提高为 以及疲惫的表现。