MULTISTAGE CENTRIFUGAL PUMP DISTRIBUTOR Russian patent published in 2014 - IPC F04D13/10 F04D29/42 

Abstract RU 2525816 C1

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

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RU 2 525 816 C1

Authors

Gilev Viktor Grigor'Evich

Rabinovich Aleksandr Isaakovich

Dates

2014-08-20Published

2013-07-04Filed