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    • 10. 发明授权
    • Electronic controlled carburetor
    • 电子控制化油器
    • US4404941A
    • 1983-09-20
    • US241721
    • 1981-03-09
    • Kenji Masaki
    • Kenji Masaki
    • F02M23/00F02D41/08F02M1/10F02M3/12F02M7/00F02M7/12F02M7/20F02M11/02F02B3/00
    • F02M11/02F02D41/086F02M1/10F02M3/12F02M7/20
    • An internal combustion engine carburetor is disclosed which includes an induction passage provided therein with venturi means and controlled by throttle valve means, a fuel bowl connected through a main solenoid valve to a main fuel passage for discharging fuel through a main nozzle opening into the venturi means, a fuel pump connected through an auxiliary solenoid valve to an auxiliary fuel passage into which an air bleed opens for discharging fuel through a sonic nozzle opening into the induction passage downstream of the throttle valve means, and fast-idle mechanism for forcing the throttle valve means to open to a predetermined angle from its closed position. A control circuit is provided for providing a control signal corrected based on the density of atmospheric air, which corresponds to the rate of air flow through the induction passage for controlling the main and auxiliary solenoid valves. The control circuit is adapted to drive the fast-idle mechanism at low engine temperatures.
    • 公开了一种内燃机化油器,其包括设有文丘里装置并由节流阀装置控制的进气通道,燃料碗通过主电磁阀连接到主燃料通道,用于通过主喷嘴开口排出燃料以进入文丘里装置 燃料泵,其通过辅助电磁阀连接到辅助燃料通道,在该辅助燃料通道中,用于通过在节流阀装置下游的感应通道的声波喷嘴开口排出燃料的空气泄放;以及用于迫使节流阀的快速怠速机构 意味着从其关闭位置打开预定角度。 提供控制电路,用于提供基于大气空气密度校正的控制信号,其对应于通过用于控制主辅助电磁阀的感应通道的空气流量。 该控制电路适于在低发动机温度下驱动快速怠速机构。