Gas separation – With nonliquid cleaning means for separating media – Relatively movable pneumatic nozzle
Patent
1977-06-03
1979-06-12
Lutter, Frank W.
Gas separation
With nonliquid cleaning means for separating media
Relatively movable pneumatic nozzle
55379, 55507, B01D 4604
Patent
active
041579003
ABSTRACT:
This invention relates to a tube filter assembly of the kind comprising a housing divided by a perforated wall into a dirty gas chamber and a clean gas chamber, and containing filter tubes which are attached to said perforated wall in a sealed fashion and are arranged to be cleaned periodically by counter-current scavenging from the clean gas side, said filter tubes being arranged in said dirty gas chamber, covering the holes in said perforated wall at their open ends, and being provided with an internal spacer member. The invention consists in that said spacer member of each said filter tube has passing through it a rigid support bar which is detachably connectable to a fixed part of said housing by means of a part which projects freely through the closed end of said tube, and in that said spacer member consists of at least one coil spring supported by said support bar, and said coil spring is connected to said support bar at a distance from said perforated wall and its end nearer the clean gas side is connectable, under tensile stress, to a perforated clamping flange situated in the clean gas chamber, between which flange and said perforated wall the rim of the opening in said filter tubes is clampable.
REFERENCES:
patent: 2167236 (1939-07-01), Gieseler
patent: 2906371 (1959-09-01), Jones
patent: 2976953 (1961-03-01), Haas et al,.
patent: 3436898 (1969-04-01), Kaess et al
patent: 3556300 (1971-01-01), Lodo
patent: 3710559 (1973-01-01), Harris et al.
Lacey David L.
Lutter Frank W.
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