Sump draining apparatus

Details Sump draining apparatus Sump draining apparatus

1989-05-02

1990-10-30

Fox, John C.

Pumps

Motor driven

Electric or magnetic motor

41742315, 4174242, F04B 3504

Patent

active

049665340

ABSTRACT:
Sump draining apparatus is disclosed consisting of a cylindrical canister which houses a cylindrically configured pump and motor disposed in axially stacked relation. The top end of the cylindrical canister is sealably closed and the lower end is open to define a liquid inlet. The pump has an inlet spaced from the liquid canister inlet and a pump outlet. A connecting pipe leads from the pump outlet through the closed upper end of the canister to define an external discharge outlet for pumped liquid. Atmospheric pressure forces liquid through the canister inlet upward to the pump inlet, where it is pumped away through the discharge outlet. Air compressed by the incoming liquid is vented through a check valve connected to a vent opening in the top of the canister.

REFERENCES:
patent: 2470563 (1949-05-01), Jennings
patent: 4218195 (1980-08-01), Shure

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