Back-flush filtering apparatus, particularly for a house water s

Details Back-flush filtering apparatus, particularly for a house water s Back-flush filtering apparatus, particularly for a house water s

1980-04-28

1981-12-29

Adee, John

Liquid purification or separation

Filter

Medium, cleaner or agitator moved by fluid

210411, B01D 2902

Patent

active

043081428

ABSTRACT:
A backwashable filtering device comprising a housing, a main filter in the housing, an inlet for receiving liquid into the housing and an outlet for discharging liquid from the housing. A rotatably mounted spraying member is disposed in the main filter which is preferably cylindrical in shape for receiving liquid and discharging it against the inner surface of the filter to backwash and cleanse the filter. Filtering passage is defined in the housing between the inlet and the outlet for directing water against an outer surface of the main filter for the purpose of filtering the water. Valves are provided in the housing associated with the main filter for selectively directing liquid toward the opposite sides of the main filter for the purposes of filtering and backwashing respectively.

REFERENCES:
patent: 1153920 (1915-09-01), Hotchkiss
patent: 1611739 (1926-12-01), Hadfield
patent: 1965912 (1934-07-01), Strawn
patent: 2090962 (1978-05-01), Braukmann
patent: 2747741 (1956-05-01), Jacobson
patent: 2835390 (1958-05-01), King

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