| 摘要 |
FIELD: engines and pumps. ^ SUBSTANCE: vortex pump stage includes impeller 3 with blades 4 and two parts1, 2 of stator with spacer ring 9, inlet and outlet openings 6, 7. Openings are axial and divider is located between them. Channel 10 interconnected with delivery and suction areas is made in spacer ring 9. ^ EFFECT: invention allows reducing linear sizes of pump, increasing flow rate of working liquid and improving wear resistance. ^ 7 cl, 9 dwg |
