Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1986-04-29
1987-07-21
Sever, Frank
Gas separation
Means within gas stream for conducting concentrate to collector
55 97, 55284, 55247, 55288, 55293, 55295, 55301, 55343, 55344, B01D 4700, B01D 5000
Patent
active
046816046
ABSTRACT:
A fluid filter (10) comprises a plurality of separate filtration chamber (14-18) with a fluid inlet (12) and a fluid outlet (13). All of the filtration chambers (14-18) are identical and each contain two vertically-spaced doors (28, 29) on one end and two similarly vertically-spaced doors (30,31) on the other end. In addition, each of the filtration chambers (14-18), includes a trap door (33) through which accumulated particulate matter is discharged. The filtration chambers (14-18) are defined as first and second filtration stages and a cleaning stage. By sequencing the opening and closing of doors (28, 29, 30 and 31) the interconnection between the filtration chambers (14-18) is changed. As particulate matter is accumulated on the inner surface of a filtration medium (25) the first and second filtration stages and cleaning stages are changed so that each of the chambers (14-18), in turn, serve as all or part of the first filtration stage, second filtration stage and cleaning stage. Accordingly, the filter can operate continuously after a filter layer is accumulated on the filter medium in any one of the filtration chambers without a significant decrease in filtration efficiency.
REFERENCES:
patent: 3194683 (1965-07-01), Grosvenor
patent: 3994810 (1976-11-01), Schaeffer
patent: 4226715 (1980-10-01), Niederer et al.
patent: 4360369 (1982-11-01), Niederer
patent: 4430220 (1984-02-01), Litzenburger
patent: 4439327 (1984-03-01), Muller
patent: 4532045 (1985-07-01), Littmann
Adams, III W. Thad
Sever Frank
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