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    • 6. 发明授权
    • Fuel injection amount control apparatus for internal combustion engine
    • 用于内燃机的燃料喷射量控制装置
    • US07438048B2
    • 2008-10-21
    • US11802395
    • 2007-05-22
    • Minoru OnobayashiHirokazu KonoharaNobuhiro OgasawaraKunihiko Sato
    • Minoru OnobayashiHirokazu KonoharaNobuhiro OgasawaraKunihiko Sato
    • F02D31/00F02M51/00
    • F02D41/0235F02D41/10F02D2041/0265F02D2200/0804
    • An object is to prevent deterioration in both exhaust emission and fuel efficiency by suitably combining OTP boosting with power boosting. An electronic control unit (ECU) 30 of the present invention is arranged to control a fuel injection amount of an injector 7 to an engine 1 according to an operating condition of the engine 1, and perform OTP boosting of the fuel injection amount to prevent overheating of a discharge passage 3 and a catalyst converter 11 when the engine 1 comes into a high load and high rotation operating condition and perform power boosting that increases the fuel injection amount to enrich an air-fuel ratio to an output air-fuel ratio when the engine 1 comes into a high load operating condition. The ECU 30 executes the power boosting when the engine 1 comes into the high load and high rotation operating condition and executes the OTP boosting later from the start of the power boosting, delayed by a period attributable to at least an increased amount of fuel by the power boosting.
    • 目的是通过适当地组合OTP升压与功率提升来防止废气排放和燃料效率的劣化。 本发明的电子控制单元(ECU)30被配置为根据发动机1的运转状况来控制喷射器7对发动机1的燃料喷射量,并进行燃料喷射量的OTP升压,以防止过热 的排气通道3和催化剂转换器11,当发动机1进入高负载和高旋转运行状态时,执行增加燃油喷射量的功率增压,从而将空燃比丰富到输出空燃比 发动机1进入高负载运行状态。 当发动机1进入高负荷和高转动运行状态时,ECU30执行增压,并且在从功率提升开始后期执行OTP升压,延迟至少增加燃料量的时间段 功率提升。
    • 10. 发明申请
    • Fuel injection amount control apparatus for internal combustion engine
    • 用于内燃机的燃料喷射量控制装置
    • US20080077305A1
    • 2008-03-27
    • US11802395
    • 2007-05-22
    • Minoru OnobayashiHirokazu KonoharaNobuhiro OgasawaraKunihiko Sato
    • Minoru OnobayashiHirokazu KonoharaNobuhiro OgasawaraKunihiko Sato
    • F02D41/30
    • F02D41/0235F02D41/10F02D2041/0265F02D2200/0804
    • An object is to prevent deterioration in both exhaust emission and fuel efficiency by suitably combining OTP boosting with power boosting. An electronic control unit (ECU) 30 of the present invention is arranged to control a fuel injection amount of an injector 7 to an engine 1 according to an operating condition of the engine 1, and perform OTP boosting of the fuel injection amount to prevent overheating of a discharge passage 3 and a catalyst converter 11 when the engine 1 comes into a high load and high rotation operating condition and perform power boosting that increases the fuel injection amount to enrich an air-fuel ratio to an output air-fuel ratio when the engine 1 comes into a high load operating condition. The ECU 30 executes the power boosting when the engine 1 comes into the high load and high rotation operating condition and executes the OTP boosting later from the start of the power boosting, delayed by a period attributable to at least the power boosting.
    • 目的是通过适当地组合OTP升压与功率提升来防止废气排放和燃料效率的劣化。 本发明的电子控制单元(ECU)30被配置为根据发动机1的运转状况来控制喷射器7对发动机1的燃料喷射量,并进行燃料喷射量的OTP升压,以防止过热 的排气通道3和催化剂转换器11,当发动机1进入高负载和高旋转运行状态时,执行增加燃油喷射量的功率增压,从而将空燃比丰富到输出空燃比 发动机1进入高负载运行状态。 当发动机1进入高负载和高旋转运行状态时,ECU30执行功率提升,并且从功率提升开始后期执行OTP升压,延迟到归因于至少功率提升的时间段。