轴向柱塞泵可分成阀配流与轴配流两类。阀配流轴向柱塞泵存有设备故障率高 、八十年代发展趋势的轴配流轴向柱塞泵摆脱了阀配流轴向柱塞泵的不够。因为轴向泵构造上的特性，固定不动了轴配流轴向柱塞泵比径向柱塞泵抗冲击、长寿命、线性度高。自变量行程安排短泵的自变量是在自变量柱塞和限位开关柱塞功效下，更改电机定子的偏心率完成的，而电机定子的较大偏心率为 5—8mm（依据排气量尺寸不一样），自变量行程安排很短。且自变量组织设计方案为髙压控制，由调压阀开展操纵。故该泵的响应时间快。轴向总体设计摆脱了如径向柱塞泵滑靴偏磨的难题。使其耐冲击工作能力大大提高。
美国威格士VICKERS柱塞泵
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