CENTRIFUGAL PUMP BLADED IMPELLER Russian patent published in 1997 - IPC

Abstract RU 2080490 C1

FIELD: mechanical engineering; pumps with enhanced anti-cavitation properties. SUBSTANCE: boss is provided on rear side of inlet portion of bland on section L from leading edge of blade to beginning of inter-blade passage having minimum diameter inscribed in passage. Thickness of blade is equal to S at distance L from leading edge; 1.25S at distance of 0.75L from leading edge; 1.6S at distance 0.5L; 1.65S at distance 0.35L; 1.25S at distance 0.2L; 0.9S at distance 0.1L; in area of leading edge blade is rounded off at radius no less than 0.1S. EFFECT: enhanced reliability. 2 dwg

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RU 2 080 490 C1

Authors

Belov S.A.

Nikolushkin G.M.

Skulkin N.G.

Babin V.A.

Dates

1997-05-27—Published

1994-12-14—Filed