Filtering apparatus and method

Details Filtering apparatus and method Filtering apparatus and method

1987-08-03

1988-10-11

Spitzer, Robert

Liquid purification or separation

Processes

Utilizing electrical or wave energy directly applied to...

210798, 210243, 210351, 210411, B01D 2506, B01D 2938

Patent

active

047769629

ABSTRACT:
A filtering method and apparatus including a chamber having an inlet and an outlet and a mass of fibers interposed between the inlet and outlet and contained between a perforated base and piston. Structure is provided for reciprocating the piston relative to the base during backwash operation.

REFERENCES:
patent: 191131 (1877-05-01), Gainey
patent: 3268080 (1966-08-01), Eberly
patent: 3278031 (1966-10-01), Rosaen
patent: 3374052 (1968-03-01), Fan et al.
patent: 3747769 (1973-07-01), Brumfield
patent: 4022694 (1977-05-01), Fruman
patent: 4253947 (1981-03-01), Fan et al.
patent: 4350590 (1982-09-01), Robinson
patent: 4591436 (1986-05-01), Hofstede

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