Modular filter system

Details Modular filter system Modular filter system

Filed on

1980-08-18

Date issued

1981-12-29

Examiner

Adee, John

Patent Class

Liquid purification or separation

SubClass

Particulate material type separator, e.g., ion exchange or...

SubSubClass

Selective units or compartments

Other Related Categories

210276, 210292, B01D 2324

Type

Patent

Status

active

Patent number

043081410

Description

ABSTRACT:
In a modular water filtration and companion backwash assemblage, a reservoir is sectioned into an upper, supply chamber and a lower, drain chamber by a plurality of modular, horizontally co-planar filter cells. A carriage assembly is selectively positioned over an individual cell and a depending backwash hood is lowered to isolate, hydraulically, the modular cell. Water is pumped upwardly, out of the hood, expanding and scrubbing the filter media. Jetwash probes intensify the cleansing action, and a baffle plate having displacement accelerators ensures equal but swift upward displacement of backwash waters. Each cell is sequentially backwashed on a continuous basis, allowing uninterrupted operation of the other filtration modules.

REFERENCES:
patent: 879963 (1908-02-01), Hirt
patent: 2442594 (1948-06-01), Fraser
patent: 3134735 (1964-05-01), Greenleaf, Jr.
patent: 3239061 (1966-03-01), Horning et al.
patent: 3984326 (1976-10-01), Bendel

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