AUGER-TYPE CENTRIFUGAL PUMP Russian patent published in 2009 - IPC F04D9/04 F04D13/02 

Abstract RU 2370672 C1

FIELD: engines and pumps.

SUBSTANCE: auger-type centrifugal pump comprises housing 16, impeller 2 with hub 3 fitted on shaft 1, and auger 5 fitted on auxiliary shaft 6, fitted to axially move and spring-loaded against pump outlet end face with the help of spring 15 fitted on aforesaid auxiliary shaft 6. Inner chamber 10 accommodating nozzle box 9 and hydraulic turbine wheel 8 is arranged inside hub 3 of impeller 2 coupled, via magnetic coupling 14 with auxiliary shaft 6.

EFFECT: improved anti-cavitation properties.

1 dwg

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RU 2 370 672 C1

Authors

Bolotin Nikolaj Borisovich

Moiseev Dmitrij Valentinovich

Dates

2009-10-20Published

2008-04-07Filed