Liquid purification or separation – Flow – fluid pressure or material level – responsive – Filter cleaning
Patent
1987-12-14
1988-11-01
Therkorn, Ernest G.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Filter cleaning
210108, 2103232, 2103331, 55284, 55302, B01D 2924, B01D 2938
Patent
active
047818255
ABSTRACT:
A filter comprising a housing having a plurality of filter tubes suspended from a partition which divides the housing into an upper and lower chamber and a backwash selector which is rotated by backwash fluid so that during the backwash mode filter tubes are sequentially exposed to the full force of the backwash fluid so that an improvement in backwashing is obtained. The use of the filter is also disclosed.
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DePriest Sidney H.
Grimes Steven D.
Conoco Inc.
Evans Linda S.
Therkorn Ernest G.
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