2520V17A5-1AA-22R美国威格士VICKERS柱塞泵2520V17A5-1BB22R

美国威格士VICKERS柱塞泵

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柱塞泵的原理柱塞泵柱塞往复运动总行程安排L是不会改变的，由凸轮轴的可变气门正时决策。柱塞每循环系统的供油量尺寸在于供油行程安排，供油行程安排不会受到发动机凸轮轴操纵是可变性的。供油逐渐時刻不随供油行程安排的转变而转变。旋转柱塞可更改供油终结時刻，进而更改供油量。柱塞泵工作中时，在柴油泵发动机凸轮轴上的凸轮轴与柱塞弹黄的功效下，驱使柱塞作上、下往复运动，进而进行油阀每日任务，油阀全过程可分成下列两个阶段。