FIELD: hydraulic equipment. SUBSTANCE: centrifugal compressor has case 4, which define in conjunction with hub 9 flow channel extending between axial inlet opening 10 and radial outlet opening 11. Stabilizing slots 5 are extending through inlet zone downstream of channel in case 4 from its inner contour 4a and distributed over inner peripheral surface of case 4. Front end of each slot 5 faced to axial inlet opening 10 is spaced downstream of channel for predetermined distance from inlet edge 6 of blades to widen stable working range of small streams. Slots 5 are configured so as to provide low hydraulic resistance. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 9 cl, 3 dwg
| Title | Year | Author | Number |
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RU2011117C1 |
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RU2050439C1 |
