Method of filtering a fluid and filter

Details Method of filtering a fluid and filter Method of filtering a fluid and filter

1981-01-27

1982-10-05

Castel, Benoit

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

210108, 210798, 210409, B01D 2922

Patent

active

043527345

ABSTRACT:
A stream of water is filtered in a self-flushing type filter having filtering surfaces of different filtering fineness which provide a progressive filtering, firstly by fine filtering surfaces then by coarser filtering surfaces as the finer filtering surfaces become clogged.

REFERENCES:
patent: 671003 (1901-04-01), Ruthenburg
patent: 1371143 (1921-03-01), Bledburn
patent: 1477986 (1923-12-01), Thiens
patent: 2998064 (1957-02-01), Lang
patent: 3278031 (1966-10-01), Resaen
patent: 3623607 (1971-11-01), Loos
patent: 3724669 (1973-04-01), Thal
patent: 3794179 (1974-02-01), Doucet

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