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发明公开
CN107709781A 泵装置 失效 - 权利终止

泵装置
摘要：
驱动第一泵元件(E1)的第一驱动轴(20)和驱动第二泵元件(E2)的第二驱动轴(40)经由第三驱动轴(50)连接，并且第一驱动轴(20)与第三驱动轴(50)、以及第二驱动轴(40)与第三驱动轴(50)的各轴间分别通过允许该各轴间的偏心量的变化的第一联轴器(51)及第二联轴器(52)连结，从而，能够通过第一、第二联轴器(51、52)吸收在第一、第二驱动轴(20、40)产生的挠曲变形，能够抑制第一、第二驱动轴(20、40)的一方侧的挠曲变形波及到另一方侧的不良情况。
摘要（英）：

A pump device is configured so that: a first drive shaft 20 for driving a first pump element E1 and a second drive shaft 40 for driving a second pump element E2 will be connected through a third driveshaft 50; and a first joint 51 and a second joint 52 will be respectively connected between the first drive shaft 20 and the third drive shaft 50, and between the second drive shaft 40 and the thirddrive shaft 50, each of the first and second joint 51, 52 permitting a change in the amount of the eccentricity between the corresponding drive shafts. As a result of this configuration, bending deformation produced in the first and second drive shaft 20, 40 can be absorbed by the first and second joint 51, 52, and the problem of the bending deformation of one of the first and second drive shaft 20, 40 affecting the other can be reduced.

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