The developed twin piece vane compressor was presented, in which free movable double vanes are assembled in each slot machined in the rotor.
介绍了作者研制的双层滑片压缩机，这种压缩机的每个滑片槽内都安放两块重叠而又可以相对自由滑动的滑片。
2
Vane pump: vane pump into double effect and single effect vane pump.
叶片泵：分为双效果叶片泵和单效果叶片泵。
3
This paper deals with the pressure ripple of the doublevane pump using modern spectrum analysis—maximum entropy spectral estimation and indicates the causes of pressure ripple.