威格士电磁阀一级总代理

武汉鑫恒瑞机电设备有限公司

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威格士双联叶片泵
 　　
它的作用原理和单作用叶片泵相似，不同之处只在于定子表面是由两段长

半径圆弧、两段短半径圆弧和四段过渡曲线八个部分组成，且定子和转子是同心

的。在图示转子顺时针方向旋转的情况下，密封工作腔的容积在左上角和右下角

处逐渐增大，为吸油区，在左下角和右上角处逐渐减小，为压油区；吸油区和压

油区之间有一段封油区把它们隔开。这种泵的转子每转一转，每个密封工作腔完

成吸油和压油动作各两次，所以称为双作用叶片泵。泵的两个吸油区和两个压油

区是径向对称的，作用在转子上的液压力径向平衡，所以又称为平衡式叶片泵。

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