Water filter

Details Water filter Water filter

1975-09-12

1977-05-03

Spear, Jr., Frank A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 81, 210274, 210275, B01D 2324

Patent

active

040213390

ABSTRACT:
A fluid filter is disclosed wherein the in-flow passes through a plurality of beds in the filter in a generally horizontal direction. Means are provided to backwash the beds of the filter with the backwash fluid travelling through the beds in an upwardly vertical direction. Thus, the direction of flow of the in-flow is substantially normal to the direction of flow of the backwash fluid. Each of the beds is separately confined such that each bed may expand upwardly during backwash.

REFERENCES:
patent: 136364 (1873-03-01), Conger
patent: 399957 (1889-03-01), Wilbur
patent: 1993142 (1935-03-01), Johnson
patent: 2582388 (1952-01-01), Mansfield
patent: 3056502 (1962-10-01), Zwicky
patent: 3382983 (1968-05-01), Stewart
patent: 3436260 (1969-04-01), Duff

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