Gear Pump (Transmission Charging and Scavenge)
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| 图 1 | g01114661 |
齿轮泵（变速箱充油和回油） (1) 变速箱扫油段 (2) 变速箱充油段 | |
齿轮泵（变速箱充油和回油）为正排量泵。 两段齿轮泵通过螺栓固定在变速箱盖上，并由变速箱驱动。 变速箱回油段 (1) 将液压油从变速箱油池中吸出，然后输送液压油润滑差速器。
变速箱充油段 (2) 将液压油从差速器箱中吸出。 变速箱充油段由两个异相泵齿轮组成。 将泵齿轮对齐，使一个齿轮的轮齿与另一个齿轮根对齐。 齿轮的相控将平缓变速箱充油段产生的压力脉冲。 变速箱充油段 (2) 为以下操作提供压力机油：
- 变速箱操作
- 变速箱润滑
- 差速锁操作
- 停车制动的释放
参考有关测试信息，请参阅动力传动系技术规格齿轮泵, "（变速箱充油和回油）"。
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