Liquid purification or separation – Filter – Movable prefilt distributor
Patent
1979-01-02
1980-05-13
Sever, Frank
Liquid purification or separation
Filter
Movable prefilt distributor
209254, 210421, 210456, B01D 3522
Patent
active
042027772
ABSTRACT:
Flow distribution means for a dewatering screen comprising a nozzle assembly having a rotatable valve and housing assembly extending transversely of the feed end of the screen. Manual or automatically operable actuator means are interconnected to the valve for controlling movement thereof to vary the size of the spout opening of the nozzle and for providing rapid opening of the spout for purging the nozzle assembly.
REFERENCES:
patent: 3540596 (1970-11-01), Bugbee et al.
patent: 4113626 (1978-09-01), Detcher
patent: 4121733 (1978-10-01), McRoskey et al.
Dorr-Oliver Incorporated
Kearns Burtsell J.
Sever Frank
Snyder Harold M.
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