Centrifugal pump with splitter vane/shut-off valve system

Details Centrifugal pump with splitter vane/shut-off valve system Centrifugal pump with splitter vane/shut-off valve system

1988-05-25

1989-07-25

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Runner, shaft, or separate motor operated

415151, 1375121, F01D 1510

Patent

active

048507962

ABSTRACT:
A splitter vane/shut-off valve system for use in a centrifugal pump which includes an impeller and an inlet to the impeller. A plurality of planar, anti-swirl vanes are arranged in a cross-configuration across the inlet adjacent the impeller to straighten the flow of fluid to the impeller and to prevent swirling of the fluid by the impeller. Edges of the planar vanes, facing the incoming fluid, define a valve seat. A plurality of petal valves are pivotally mounted at pivot points to the side of the inlet and movable toward and away from the center of the inlet. The petal valves engage the valve seat defined by the edges of the planar vanes for closing the inlet to allow removal of the impeller.

REFERENCES:
patent: 2083447 (1937-06-01), Hoffmann
patent: 2831499 (1958-04-01), Myron
patent: 3263906 (1966-08-01), Ward
patent: 3635580 (1972-01-01), Richardson et al.
patent: 3807444 (1974-04-01), Fortune
patent: 4637779 (1987-01-01), Sherman et al.
patent: 4781527 (1988-11-01), Miller

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