Pump

Details Pump Pump

1987-09-30

1989-01-17

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Runner or blade selectively adjustable relative to casing

Axially adjusted

415140, F01D 700

Patent

active

047985178

ABSTRACT:
The disclosed pump includes a casing housing a working chamber and an impeller. The impeller includes a blade wheel mounted on a rotational shaft, a plurality of pumping blades extending axially from the periphery of the blade wheel and a cover mounted within the casing and fitted over the blade wheel for rotation therewith. The cover includes an end face member defining one side of the working chamber and a cylindrical skirt portion depending from the periphery of the end face member and encircling the blade wheel and defining a hollow interior space within the impeller between the end face member and the blade wheel. The end face member has a plurality of slots through which the blades extend into the working chamber. The interior surface of the cover defines a plurality of pockets, each contoured to receive and mate with one of the blades so that in use each blade rests flush against one surface of the pocket with no space for fluid therebetween.

REFERENCES:
patent: 2927536 (1960-03-01), Rhoades
patent: 2957424 (1960-10-01), Brundage et al.
patent: 3407740 (1968-10-01), Samerdyke
patent: 3482523 (1969-12-01), Morando
patent: 4070132 (1978-01-01), Lynch

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