Compressor with optimized inter-stage inflow port

The invention provides a compressor. The compressor includes a first stage portion having a first impeller assembly and a first diffuser assembly, a second stage portion having a second impeller assembly and a second diffuser assembly, and an inter-stage portion between the first stage portion and the second stage portion. The interstage portion includes a guide vane assembly, a collector channel surrounding the guide vane assembly, and a circumferential insertion slot fluidly coupling the collector channel to the guide vane assembly. 本发明提供一种压缩机。所述压缩机包含具有第一叶轮组合件和第一扩散器组合件的第一级部分、具有第二叶轮组合件和第二扩散器组合件的第二级部分，以及位于所述第一级部分与所述第二级部分之间的级间部分。所述级间部分包含导向叶片组合件、环绕所述导向叶片组合件的收集器通道，以及将所述收集器通道以流体方式联接到所述导向叶片组合件的周向插入狭槽。