Filter device

Details Filter device Filter device

1988-05-19

1990-02-20

Jones, W. Gary

Liquid purification or separation

Filter

With pump, gas pressure, or suction source

210459, 210445, 128764, 604190, 604236, B01D 2900

Patent

active

049024213

ABSTRACT:
A device for reducing the amount of particulate contaminant in a liquid is provided which includes a hollow elongate member having first and second openings and filter means, preferably depth filter means, positioned in the elongate member, the filter means in combination with the elongate member defining a reservoir between the filter means and the first opening. The device is intended to be used with means associated with the first opening for generating a pressure differential between the interior of the elongate member and the exterior thereof whereby a liquid containing particulate contaminant may be introduced into the reservoir in the elongate member through the second opening, particulate contaminant being trapped within the filter means and a liquid with a reduced particulate contaminant may be removed from the elongate member through the second opening.

REFERENCES:
patent: 1853260 (1929-09-01), Crossett
patent: 1963080 (1932-09-01), Featherstone
patent: 3003500 (1955-10-01), Barton et al.
patent: 3620418 (1971-11-01), Stevens et al.
patent: 3698561 (1972-10-01), Babson
patent: 3892226 (1975-07-01), Rosen
patent: 3938513 (1976-02-01), Hargost
patent: 3985032 (1976-10-01), Avakian
patent: 4066079 (1978-01-01), Chiarolla
patent: 4391274 (1983-07-01), Kagan

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