Washing unit for cartridge filters and method therefor

Liquid purification or separation – Processes – Separating

Patent

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Details

134 34, 134137, 134138, 210106, 210249, 210282, 210772, B01D 2324

Patent

active

046683844

ABSTRACT:
A washing unit has a receptacle for receiving at least one half of the length of a cylindrical cartridge filter for swimming pool filtration systems. An orifice, disposed in the side of the receptacle, directs water against at least the lower half of the external cylindrical surface of the filter to wash off and entrain foreign matter collected thereon upon flow of the water intermediate the filter and the receptacle. A discharge outlet downstream of the filter discharges the water and entrained foreign matter. An upwardly extending mouth at the inlet of the receptacle accommodates manual insertion, withdrawal and manipulation of the filter during washing while containing water splash. A pair of legs extending from proximate the inlet maintain the receptacle inclined to encourage downward water flow along the filter from the orifice to the discharge outlet.

REFERENCES:
patent: 2616820 (1952-11-01), Bourgeaux
patent: 2985178 (1961-03-01), Christensen, Jr.
patent: 3180759 (1965-04-01), Falk
patent: 3421527 (1969-01-01), Dettman
patent: 3428060 (1969-02-01), Spivey
patent: 3650283 (1972-03-01), Lang
patent: 3731697 (1973-05-01), Yost et al.
patent: 3820552 (1974-06-01), Lang et al.

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