Gas separation – Two or more separators – Plies or layers of different characteristics or orientation
Patent
1989-02-01
1989-11-07
Hart, Charles
Gas separation
Two or more separators
Plies or layers of different characteristics or orientation
55487, 55488, 55498, 55499, 55521, 55527, 2104935, 21049701, B01D 4612
Patent
active
048789291
ABSTRACT:
A cartridge-type liquid-gas separator having particular use for separating oil from air. The separator includes an outer casing containing an annular pleated first stage filter element and an annular second stage element located concentrically of the first stage element. The first stage filter element is composed of a coalescer section formed of unwoven fibrous material and a disloader section disposed downstream of the coalescer section and composed of multiple layers of fibrous material impregnated with a resin having low surface energy. The first stage element can also include a pair of screens, one located upstream of the coalescer section and a second located downstream of the disloader section. The second stage which is spaced downstream from the first stage is composed of a fibrous stripper layer followed by a screen. The entrained oil contained within the air is coalesced in the coalescer section to form larger size droplets and the disloader aids in discharging the droplets downwardly for collection in the center of the second stage filter unit, while the second stage strips any remaining oil droplets from the air.
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Gryttenholm Eric G.
Jaroszczyk Tadeusz
Morgan Jeffrey S.
Tofsland Kenneth M.
Hart Charles
Nelson Industries Inc.
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