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    • 3. 发明授权
    • Fuel pump control apparatus
    • 燃油泵控制装置
    • US4800859A
    • 1989-01-31
    • US65854
    • 1987-06-24
    • Yasuo SagisakaRyuichi Sano
    • Yasuo SagisakaRyuichi Sano
    • F02D41/32F02D41/00F02D41/30F02M37/08F02M39/02
    • F02D41/3082
    • A vehicle fuel pump control apparatus controls the operating speed of a fuel pump to adjust the quantity of fuel forced to at least one fuel injector. When the required fuel quantity of the engine which is based on its operating condition is determined to be greater than a reference level predetermined in correspondence to the operating condition, the pump operating speed is increased, whereas the pump operating speed is decreased when the required fuel quantity is determined smaller than the reference level. When an insufficient fuel supply is detected during the low speed operation, the reference level is updated or readjusted to a lower level in such a manner that the required fuel quantity is determined greater than the corrected level.
    • 车辆燃料泵控制装置控制燃料泵的操作速度以调节被迫至少一个燃料喷射器的燃料量。 当基于其运行状态的发动机的所需燃料量被确定为大于对应于运行条件预定的参考水平时,泵运行速度增加,而当所需燃料 数量被确定为小于参考水平。 当在低速运行期间检测不到燃料供应时,基准电平被更新或重新调整到较低水平,使得所需燃料量被确定为大于校正电平。