Fluid pump for use down a well

Details Fluid pump for use down a well Fluid pump for use down a well

1983-05-23

1984-11-27

Smith, Leonard E.

Pumps

Expansible chamber type

Inlet and discharge distributors at opposite ends of tubular...

417480, 92140, F04B 4708

Patent

active

044848650

ABSTRACT:
A fluid pump for use down a well, having a pump shell, a flexible bladder, a squeeze plate, two check valves, and a plurality of toggle linkages, and a drive rod. The flexible bladder is positioned between the pump shell and the squeeze plate inside the pump shell, and the toggle linkages pivotally connect the squeeze plate, the drive rod, and the inside surface of the pump shell in a manner that permits with one complete stroke of the drive rod the compression and relaxing of the flexible bladder. The power source, is located at the surface of the earth.

REFERENCES:
patent: 3075 (1819-02-01), Barron
patent: 1546973 (1925-07-01), Ellis
patent: 1965006 (1934-07-01), Scott
patent: 2829500 (1958-04-01), Butler
patent: 3020846 (1962-02-01), Thomas
patent: 3427987 (1969-02-01), Eull
patent: 3440970 (1969-04-01), Wagner
Albo, R. T., Positive Displacement Pump, IBM Technical Disclosure Bulletin, vol. 7, No. 11, Apr., 1965.

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