Method for keeping a screen or filter surface clear

Details Method for keeping a screen or filter surface clear Method for keeping a screen or filter surface clear

1990-01-08

1991-07-23

Huppert, Michael S.

Classifying, separating, and assorting solids

Sifting

With liquid treatment

209273, 209380, 210394, 210408, 210798, B07B 150, B01D 3344, B01D 2962

Patent

active

050341200

ABSTRACT:
A method for keeping a screen surface or a filter surface clean, wherein a pressure fluid is introduced from a conduit to a secondary side of a screen/filter drum, which fluid flows, during an underpressurized stage caused by blades of a rotor rotating on a primary side of the screen/filter drum, through the screen/filter drum from the secondary side to the primary side thereby rinsing the openings of the drum and making them clear.

REFERENCES:
patent: 2835173 (1958-05-01), Martindale
patent: 3311235 (1967-03-01), Ahlfors et al.
patent: 3446354 (1969-05-01), Skardal
patent: 3477571 (1969-11-01), Maag
patent: 3581093 (1971-06-01), Rich
patent: 3845863 (1974-11-01), Savia
patent: 3898157 (1975-08-01), Hooper
patent: 4042503 (1977-08-01), Justus
patent: 4684444 (1987-08-01), Meinecke et al.
patent: 4710287 (1987-12-01), Henrich et al.

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