Submersible pump

Details Submersible pump Submersible pump

1984-04-06

1989-07-04

Smith, Leonard E.

Pumps

One fluid pumped by contact or entrainment with another

Liquid pumped by supplying or exhausting gaseous motive...

F04C 118

Patent

active

048446998

ABSTRACT:
A pneumatically operated submersible pump and method for operating the same including a housing having a chamber disposed therein. A first opening is positioned in the housing for permitting liquid to flow into the chamber. A seal is operatively disposed within the camber for selectively sealing the first opening. A source of compressed air is provided for supplying compressed air to the chamber. A discharge opening is positioned in the housing for withdrawing liquid from the chamber. A predetermined quantity of liquid initially flows into the chamber through the first opening for imparting movement to the seal means for subsequently sealing the first opening. Thereafter compressed air is supplied to the chamber which displaces the liquid through the discharge opening thereby releasing the seal for repeating a pumping operation by again permitting the predetermined quantity of liquid to flow into the chamber through the first opening.

REFERENCES:
patent: 350761 (1886-10-01), Neff
patent: 570884 (1896-11-01), Donato
patent: 1323864 (1919-12-01), Human
patent: 3898018 (1975-08-01), Weis

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