| 摘要 |
FIELD: machine building, vacuum equipment. SUBSTANCE: slot 4 for blowing through is originated in casing 1 in nearby aperture 3. Slot 4 and aperture 3 are of arc-shape and placed respectively on the side of inlet and outlet edges of blading 7. Gas flow changes its trajectory from spiral to radial with machine operated nearby aperture 3. Inter-blade space is blown through blades catching gas from slot 4 and throwing it into aperture 3. Prior to blowing through start, gas flowing through inter-blade space of blading 7 creates ejecting effect. Blowing through process is intensified due to the ejecting effect. Baffle plate 8 provides change of the flow trajectory. EFFECT: higher efficiency. 2 cl, 3 dwg |
