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    • 23. 发明授权
    • Fuel injection system for internal combustion engine
    • 内燃机燃油喷射系统
    • US4610233A
    • 1986-09-09
    • US716129
    • 1985-03-25
    • Takeo KushidaTsuneyuki ChiyodaKeiichi Yamada
    • Takeo KushidaTsuneyuki ChiyodaKeiichi Yamada
    • F02D41/38F02D1/00F02D35/00F02D41/00F02D41/14F02D41/40F02M41/12F02M59/36F02M39/00
    • F02D41/408F02D35/0007F02D41/14F02M41/125F02M59/366Y02T10/44
    • A fuel injection system for in internal combustion engine includes a solenoid valve disposed across a fuel passage defined in a fuel injection pump and actuatable under the control of a control circuit for controlling the fuel injection quantity and the fuel injection timing. The actual fuel injection quantity is detected by a sensor disposed in the solenoid valve and fed back to the electric circuit where it is compared with the objective fuel injection quantity determined on the basis of engine operating conditions. If there is a difference, the fuel injection quantity supplied to the internal combustion engine through the solenoid valve is changed by the control circuit in a measured manner which will tend to make this difference disappear. The control of the fuel injection timing can be achieved by the system substantially the same manner as described above. The sensor comprises an electric on-off switch defined jointly by a valve seat and a valve element of the solenoid valve.
    • 用于内燃机的燃料喷射系统包括一个电磁阀,该电磁阀设置在燃料喷射泵中限定的燃料通道的两侧,并且在用于控制燃料喷射量和燃料喷射正时的控制电路的控制下可启动。 实际的燃料喷射量由设置在电磁阀中的传感器检测并反馈到与根据发动机工作条件确定的目标燃料喷射量进行比较的电路。 如果存在差异,则通过控制电路通过电磁阀供给到内燃机的燃料喷射量由倾向于使该差异消失的测量方式而改变。 燃料喷射正时的控制可以通过与上述基本相同的方式实现。 传感器包括由阀座和电磁阀的阀元件联合地定义的电开关开关。