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    • 53. 发明授权
    • Fuel supply apparatus for internal combustion engine and control method thereof
    • 内燃机用燃料供给装置及其控制方法
    • US08442745B2
    • 2013-05-14
    • US13228191
    • 2011-09-08
    • Daigo Ando
    • Daigo Ando
    • F02M37/06
    • F02D41/221F02D41/123F02D41/3863F02D2041/224
    • In control executed by a fuel supply apparatus having a delivery passage that delivers fuel to a fuel injection valve, a fuel pump that pumps the fuel from a fuel tank to the delivery passage, and a check valve that allows the fuel to flow out of the delivery passage into the fuel tank, that opens when a first fuel pressure on the delivery passage is higher than a second fuel pressure on the fuel tank by at least a set pressure, when the first fuel pressure is lower than a lower limit pressure being higher than the set pressure in a case where fuel injection is to be stopped, the fuel pump is controlled so that the first fuel pressure rises to or above the lower limit pressure, and after the first fuel pressure has reached or exceeded the lower limit pressure, the abnormality diagnosis is executed on the check valve.
    • 在由具有将燃料输送到燃料喷射阀的输送通道的燃料供给装置执行的控制中,将来自燃料箱的燃料泵送到输送通道的燃料泵以及允许燃料流出 当第一燃料压力低于下限压力时,当燃料箱上的第一燃料压力高于燃料箱上的第二燃料压力至少设定压力时,燃料箱的输送通道打开 比燃料喷射停止的情况下的设定压力高,燃料泵被控制为使得第一燃料压力上升到或超过下限压力,在第一燃料压力达到或超过下限压力之后, 在止回阀上执行异常诊断。
    • 55. 发明申请
    • FUEL SUPPLY APPARATUS FOR INTERNAL COMBUSTION ENGINE AND CONTROL METHOD THEREOF
    • 用于内燃机的燃油供应装置及其控制方法
    • US20120065868A1
    • 2012-03-15
    • US13228191
    • 2011-09-08
    • Daigo Ando
    • Daigo Ando
    • F02D41/22
    • F02D41/221F02D41/123F02D41/3863F02D2041/224
    • In control executed by a fuel supply apparatus having a delivery passage that delivers fuel to a fuel injection valve, a fuel pump that pumps the fuel from a fuel tank to the delivery passage, and a check valve that allows the fuel to flow out of the delivery passage into the fuel tank, that opens when a first fuel pressure on the delivery passage is higher than a second fuel pressure on the fuel tank by at least a set pressure, when the first fuel pressure is lower than a lower limit pressure being higher than the set pressure in a case where fuel injection is to be stopped, the fuel pump is controlled so that the first fuel pressure rises to or above the lower limit pressure, and after the first fuel pressure has reached or exceeded the lower limit pressure, the abnormality diagnosis is executed on the check valve.
    • 在由具有将燃料输送到燃料喷射阀的输送通道的燃料供给装置执行的控制中,将来自燃料箱的燃料泵送到输送通道的燃料泵以及允许燃料流出 当第一燃料压力低于下限压力时,当燃料箱上的第一燃料压力高于燃料箱上的第二燃料压力至少设定压力时,燃料箱的输送通道打开 比燃料喷射停止的情况下的设定压力高,燃料泵被控制为使得第一燃料压力上升到或超过下限压力,在第一燃料压力达到或超过下限压力之后, 在止回阀上执行异常诊断。