The pump features a variable discharge port design which adjusts automatically to the internal compression ratio of the vacuum pump resulting in maximum efficiency throughout the vacuum range.

我们公司生产的液环真空泵，具有不同的出料口，自动调节内部压缩率，已达到最大的真空效率。

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As there were leak on contact place between shaft and rotor body in built up hollow rotor, dropping discharg gas speed of pump and efficiency applied of oil sealed sliding vane rotary vacuum pump.

组合式空心转子由于轴头与转子体之间的结合面存在着渗漏，使泵的抽气效率性能下降，从而影响其在应用中的效率。

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Using the meshing principle, we raise computer-simulated generation method and compare volumetric efficiency with other kind of claw type dry vacuum pump.

根据啮合原理，提出了计算机模拟创成方法并同其它爪型干式真空泵的容积利用系数做出了比较。

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