FIELD: machine building.
SUBSTANCE: hydraulic machine has an impeller with a multiple of blades, a scroll case that covers the impeller and is open towards it due to a circular slit formed by two circular edges, a traverse ring which includes two covers 4.1, 4.2 interconnected with tie bolts. The scroll case is attached to covers 4.1, 4.2 of the traverse ring in the area of the circular edges. Areas of the circular edges are made and/or located in such a way that both edges are parallel to the rotation axis of the impeller or make angle α of 11 degrees maximum with it. When viewed in meridian section the scroll case consists of two arcs 3.4, 3.5 of the circle that lie closer to covers 4.1, 4.2 of the traverse ring and have smaller diameters, and of an additional arc 3.3 of the circle that lies further from covers 4.1, 4.2 of the traverse ring and has a larger radius.
EFFECT: building of a reliable hydraulic machine.
4 dwg
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