Tubewell screen filters

Details Tubewell screen filters Tubewell screen filters

1978-11-29

1980-05-27

Cuchlinski, Jr., William A.

Liquid purification or separation

Filter

Pipe or plate attached type

210489, 405 49, B01D 3502

Patent

active

042049679

ABSTRACT:
A tubewell screen filter includes a core tube with apertures distributed along its length and a support structure which provides distributed support for a fine mesh filter screen with an open area of at least 12%. The support structure has helical channels which conduct water and sediment from the fine mesh filter screen to the apertures in the core tube. The filter may be of any desired length.

REFERENCES:
patent: 2724176 (1955-11-01), White
patent: 3440822 (1969-04-01), Hegler
patent: 3685657 (1972-08-01), Hunter et al.
patent: 3830373 (1974-08-01), Sixt et al.
patent: 3861153 (1975-01-01), Maroschak
patent: 4006599 (1977-02-01), Hegler et al.

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