FIELD: mechanical engineering.
SUBSTANCE: impeller assembly (2) for the radial rotating machine comprises hub (4) with blades having a first radially outwardly facing surface (11) having a curved profile, deflector (3, 14) having a second radially outwardly facing surface (12, 13) deflecting the fluid. Second surface (12, 13) has a curved profile configured to deflect the radial centripetal flow (28, 29) of the fluid into axial flow (26, 25) of the fluid. Impeller comprises a surface (31) of the first sealing portion axially disposed between its hub with blades and its deflector. Second surface (12) is formed on its extension from its downstream side (33) to surface (31) of the first sealing portion, which are all either oriented radially or facing radially outward.
EFFECT: invention is aimed at automatic balancing of dynamic axial forces when using magnetic axial thrust bearings in the machine without the use of additional bearing axial bearings.
14 cl, 2 dwg
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