FIELD: power turbomachines.
SUBSTANCE: invention relates to power turbomachines and can be used in centrifugal compressors, superchargers, fans and pumps. It is applicable to such outlet devices, which consist of an axisymmetric elbow, an annular cavity of rectangular cross section, and an outlet branch pipe arranged in series along the working medium.
EFFECT: invention makes it possible to reduce the complexity of manufacturing the device without a significant increase in pressure losses in it by making the concave surface of the knee, the peripheral surface of the cavity, as well as its end surfaces according to reduced requirements for their roughness.
1 cl, 2 dwg
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