罗茨真空泵的溢流阀与旁通阀的组合

Combination of overflow valve and by-pass valve in roots vacuum pump

在简要地介绍了罗茨泵功能的基础上 ,通过溢流阀的改进设计 ,使溢流阀成为既能旁通又能溢流的组合阀 。

On the basis of the brief introduction of roots pump functions, by improving on the overflow valve and designing it, the oveflow valve is turned into the combination valve which can both overflow and by pass and makes the functions of roots pump pefect and more complete.