| 摘要 |
FIELD: engines and pumps. ^ SUBSTANCE: centrifugal compressor stage includes impeller 1 and combined diffuser 2 consisting of in parallel located vaned and vaneless diffusers 3, 4. Diffusers 3, 4 are separated from each other with thin radial partition 5. Partition 5 has asymmetric thinning at the inlet owing to the side facing vaneless diffuser 4. Partition 5 can be conical. ^ EFFECT: enlarging the area of stable operation of compressor stage. ^ 3 cl, 3 dwg |
