FIELD: hydraulic machine engineering.
SUBSTANCE: proposed centrifugal pump stage contains impeller with blades forming interblade spaces and fitted for sliding of shaft. Adjacent blades of impeller are connected in turn by front and rear end face walls square to axis of impeller. Front and rear end face walls are of similar form, narrowing towards periphery of impeller and composition 25-50% of area of section of interblade space square to axis of impeller.
EFFECT: provision of centrifugal pump stage featuring high reliability and efficiency.
2 dwg
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