Liquid purification or separation – With repair or assembling means
Patent
1989-12-01
1991-04-02
Dawson, Robert A.
Liquid purification or separation
With repair or assembling means
210370, 2103801, 494 41, 494 83, B01D 33067
Patent
active
050045407
ABSTRACT:
An invertable filter centrifuge having a housing defining a centrifuge chamber with a perforated drum mounted in said chamber on the front end of a hollow shaft which is rotatably mounted at the front end by a front bearing assembly and slideably mounted on a central shaft having a base plate mounted on a front end thereof with a filter cloth which is disposed with one end attached to the drum and the other end attrached to said base plate and normally disposed within said drum with double acting piston means for displacing the drum axially for inverting the filter cloth, a quantity of lubricating fluid for contacting bearings in the bearing assembly with, and a nitrogen gas pressurized seal disposed between the bearing assembly and the centrifuge chamber for inhibiting the passage of contaminants therebetween.
REFERENCES:
patent: 3225934 (1965-12-01), Van Riel
patent: 3315882 (1967-04-01), Reed
patent: 3623613 (1971-11-01), Quetsch
patent: 4193874 (1980-03-01), Gerteis
patent: 4675106 (1987-06-01), Schoendorfer et al.
patent: 4944874 (1990-07-01), Kobayashi et al.
Dawson Robert A.
Drodge Joseph
Ketema Process Equipment Division
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