MULTISTAGE CENTRIFUGAL PUMP DISTRIBUTOR

摘要

FIELD: engines and pumps.SUBSTANCE: distributor comprises cylindrical casing, top and bottom discs with vanes there between making return channels and protective ribs at top surface of top disc. Said protective ribs are inclined and arranged at parabolic surface with smooth increase in inclination from axis to periphery. Parabolic surface is composed along top disc top surface to change over to casing inner wall lower part.EFFECT: longer life.7 cl, 4 dwg