In this paper, the problems met in designing, producing and use of the rotary-vane vacuum pump are discussed. The solution methods and the research direction are given.
本文论述了旋片真空在设计、生产和使用中存在的问题，提出了解决的方法和研究方向。
2
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 vanerotary vacuum pump.