Liquid purification or separation – With time control
Patent
1989-04-17
1991-10-01
Dawson, Robert A.
Liquid purification or separation
With time control
210247, 210406, 210422, 210486, 210238, B01D 2992
Patent
active
050531239
ABSTRACT:
Disclosed is an adjustable valve for use with filters wherein internal valve partition members effect the relative duration and timing of withdrawal of the atmospheric and vacuum portion of filtrate from the filter. The valve further provides for the distribution of filtrate to clear or cloudy sump wells depending on the concentration of particulate matter contained in the filtrate portions. Timing and apportioning of the filtrate is accomplished by a combination timing plate and valve housing containing movable valve partitions, the valve body being in communication with a vacuum box and atmospheric drains.
REFERENCES:
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patent: 3363774 (1968-01-01), Luthi
patent: 3409139 (1968-11-01), Jackson et al.
patent: 3452874 (1969-07-01), Keller et al.
patent: 3471026 (1969-10-01), Riker
patent: 3517818 (1970-06-01), Luthi
patent: 4136028 (1979-01-01), Toivonen
patent: 4207190 (1980-06-01), Sheaffer
patent: 4683059 (1987-07-01), LaValley
patent: 4814093 (1989-03-01), Frykhult
patent: 4999104 (1991-03-01), Krieger
Carboneau Marcel A.
Clarke-Pounder Ian J. H.
Smythe Richard L.
Dawson Robert A.
Drodge Joseph
Ingersoll-Rand Company
Vliet Walter C.
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