Submersible deep well pump

Details Submersible deep well pump Submersible deep well pump

1982-09-01

1984-09-11

Look, Edward K.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

F04B 2102, F04B 3910

Patent

active

044707754

ABSTRACT:
A submersible deep well pump having a movable hollow piston with a secondary piston formed thereon, the piston being slidably positioned within two interconnecting chambers, each chamber having a check valve where movement of the piston displaces liquid alternately opening and closing the check valves moving the liquid progressively through the chambers into the hollow piston and to the surface.

REFERENCES:
patent: 3677141 (1972-07-01), Lagerquist et al.
patent: 4048905 (1977-09-01), Souslin
patent: 4067667 (1978-01-01), White
patent: 4137017 (1979-01-01), Lonardo

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