Closed type impeller

Details Closed type impeller Closed type impeller

1989-08-08

1991-01-01

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

416179, F04F 548

Patent

active

049814176

ABSTRACT:
An impeller for pumps, turbines, fans, etc., of the closed type, having a number of vanes arranged between cover discs. In order to reduce the secondary flows within the impeller, the secants between the suction side of the vane and the cover discs are displaced with respect to the intersections at the pressure side of the vane. This impeller is rotationally non-symmetrical.

REFERENCES:
patent: 867069 (1907-09-01), Neumann
patent: 2101653 (1937-12-01), Schellens

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