Filter unit

Details Filter unit Filter unit

1974-04-25

1976-01-06

Granger, Theodore A.

Liquid purification or separation

Plural distinct separators

Filters

210344, 210345, B01D 3302

Patent

active

039310175

ABSTRACT:
A filter unit for wet and dry filtration comprising a hollow shaft provided with ribs in parallel position with respect to the longitudinal axis of the said shaft, filter discs covered by a filtering material, said discs being stacked over and enclosing the shaft in positive connection therewith, the lower surfaces of the said filter discs having radial elevations the height of which corresponds to the distance between two adjacent discs, spacer rings provided with cams arranged between each filter disc and the respective filtering material, the said spacer rings enclosing the hollow shaft and the free cross sectional area between the cams of the said spacer rings diminishing from one disc to the other.

REFERENCES:
patent: 470355 (1892-03-01), Sutton
patent: 3292791 (1966-12-01), Muller
patent: 3297163 (1967-01-01), London
patent: 3662894 (1972-05-01), Bockler
patent: 3693803 (1972-09-01), Guazzone

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