Liquid purification or separation – Plural distinct separators – Filters
Patent
1992-11-24
1994-07-19
Dawson, Robert A.
Liquid purification or separation
Plural distinct separators
Filters
210324, 210346, 210486, B01D 3323
Patent
active
053306449
ABSTRACT:
A filter sector for a filter disk of a rotating filter having a plurality of such filter sectors includes two spaced plate-shaped elements formed from a relatively thin material and defining main planes. Protrusions outwardly extend from the main planes and are shaped out of the material of the plate-shaped elements. The protrusions are adapted to keep a filter cloth at a distance from the main plane. Interior bulbs shaped out of the material of the plate-shaped elements extend from the interior sides of the plate-shaped elements. The protrusions and the interior bulbs have a material thickness substantially corresponding to the material thickness of the main plane. The interior bulbs are adjoined at engaging contact surfaces to provide strength and torsional rigidity to the sector.
REFERENCES:
patent: 2964194 (1960-12-01), Olivier, Jr. et al.
patent: 3263819 (1966-08-01), Schmidt et al.
patent: 3295687 (1967-01-01), Schmerler
patent: 3917534 (1975-11-01), Moore
patent: 3971722 (1976-07-01), Radford
patent: 4686040 (1987-08-01), Nilsson
patent: 4931179 (1990-06-01), Nilsson
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