WHEEL FOR SUBMERSIBLE PUMP Russian patent published in 2007 - IPC F04D13/10 F04D31/00 F04D29/22 

Abstract RU 2309297 C2

FIELD: pump engineering.

SUBSTANCE: wheel comprises blades separated into members. The angle of inclination of the blades at the wheel exit reaches 90°. The blades form inter-blade passages provided with large opening for pressure balancing whose diameter ranges from 45 to 100% of the distance between the adjacent blades.

EFFECT: enhanced reliability.

21 cl, 4 dwg

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RU 2 309 297 C2

Authors

Lin' Kao

Dates

2007-10-27Published

2003-03-04Filed