Horizontal dewatering system

Details Horizontal dewatering system Horizontal dewatering system

1990-05-21

1991-10-22

Reese, Randolph A.

Hydraulic and earth engineering

Drainage or irrigation

Control means responsive to sensed condition

405 43, 239 20, 239 63, 239724, E02B 1100, E02B 1300, B05B 1708

Patent

active

050590642

ABSTRACT:
Water is removed from an underground perforated pipe by a submersible pump inserted into an imperforate pipe extending from above ground to below ground level for communication with the perforated pipe. An inflatable bladder seals the submersible pump to the inner wall of the imperforate pipe for facilitating suction of water from the perforated pipe into the imperforate pipe. Water is drawn into a proximal end of the pump and expelled out of a distal end of a pump, and out of the imperforate pipe above ground level. By sealing the pump to the inner wall of the imperforate pipe, the pump is capable of drawing water from an underground perforated pipe located at a depth greater than the pumping capacity of the pump for drawing up water.

REFERENCES:
patent: 2226915 (1940-12-01), Trowbridge
patent: 2949861 (1960-08-01), Heath
patent: 3876000 (1975-04-01), Nutter
patent: 3966233 (1976-06-01), Diggs
patent: 4180348 (1979-12-01), Taylor
patent: 4268993 (1981-05-01), Cunningham
patent: 4372389 (1983-02-01), Hamrick et al.
patent: 4391551 (1983-07-01), Belcher
patent: 4871281 (1989-10-01), Justice
patent: 4927292 (1990-05-01), Justice

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