Self-cleaning strainer

Details Self-cleaning strainer Self-cleaning strainer

1980-01-23

1982-02-16

Adee, John

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

210411, B01D 2938

Patent

active

043158200

ABSTRACT:
A strainer of the self-cleaning type includes a strainer element capable of removing matted debris by backwashing. The strainer element comprises a plurality of stacked annular strainer plates maintained in spaced relationship to form straining passages wherein the passages are substantially greater in depth than height. Protruding surfaces of the strainer element form vertically aligned compartments along its upstream side. The compartments collect the debris. A rotating backwash arm or arms are provided which may carry at least one cutting blade. The blade cuts matted debris extending between compartments into sections as it passes over these protruding surfaces and these sections are removed by backwashing.

REFERENCES:
patent: 2855106 (1958-10-01), English
patent: 2934872 (1960-10-01), Liddell
patent: 3333700 (1967-08-01), Coleman
patent: 3561603 (1971-02-01), Salomon
patent: 3734299 (1973-05-01), Akiyama
patent: 3784016 (1974-01-01), Akiyama

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