Pump-in-pipe

Details Pump-in-pipe Pump-in-pipe

1997-11-20

2000-04-18

Freay, Charles G.

Pumps

Motor driven

Electric or magnetic motor

4174241, 4174242, 66101, F04B 3504

Patent

active

060507896

ABSTRACT:
Adapter for installing deep-well submersible pump with a motor in casings with inflatable seal means comprising an annular inflatable tubular bladder with pipe flow-through means, communicating with the pump; adapter and pump suspended by cable means and air pressure line means, communicating with bladder so that it can contact the cylindrical casing; and with electric cable power means communicating with pump motor and with guide wheels to negotiate curves and reduce friction on sloping casings.

REFERENCES:
patent: 2843052 (1958-07-01), Andrus
patent: 3800870 (1974-04-01), Pitts, Jr.
patent: 4152097 (1979-05-01), Woodard
patent: 4541782 (1985-09-01), Mohn
patent: 4992030 (1991-02-01), Hasslen, III

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