Single-screw pump is a new volume of the inner rotary gear pump. The main working parts are eccentric screw (rotor) and fixed bushing (stator).

单螺杆泵是一种新型的内啮合回转式容积泵。主要工作部件是偏心螺杆（转子）和固定的衬套（定子）。

youdao

In addition, application of bolt of height-fixed bushing and inner six corners in the elastic discharging device made die installation and maintenance easier.

另外在弹性退料装置中将卸料螺钉改用为定高套加内六角螺钉装置，使模具在装配和维修时得到了方便。

youdao

It is primarily fixed in the bushing in the pump (pump tank) and placed in the pump cylinder screw, and with the active engagement of the two driven screw formed.

它主要是由固定在泵体中的衬套(泵缸)以及安插在泵缸中的主动螺杆和与其啮合的两根从动螺杆所组成。

youdao