Top suction sump pump having bottom suction impeller

Details Top suction sump pump having bottom suction impeller Top suction sump pump having bottom suction impeller

1991-07-16

1993-04-27

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

41742314, 4151212, 415206, F04D 2970

Patent

active

052057259

ABSTRACT:
A submersible sump pump includes a pump housing having a volute chamber in which a centrifugal impeller rotates about a vertical axis. The impeller draws water in axially from below from a fluid passage having a closed bottom, the fluid passage having a plurality of inlets located about the perimeter of the pump housing at an elevation above the level of the outlet from the fluid passage to the volute chamber. Thus, a bottom suction impeller arrangement is provided that prevents debris from the floor of the sump being drawn into the pump.

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