55 / | HD | GAS SEPARATION |
|
315 | DF | PLURAL SERIAL BASICALLY DIVERSE SEPARATING MEDIA {3} |
318 | DF | .~ Plural stages in unitary casing {2} |
320 |  | .~.~ Deflector and fibrous, filamentary, particulate solids, or cohesive sheet filter type {6} |
321 | DF | .~.~.~> Multiple of one type in series of parallel in flow path {3} |
327 | DF | .~.~.~> Filter is most upstream |
328 | DF | .~.~.~> Movable or movable mounted for adjustment or nonuse |
329 | DF | .~.~.~> Filamentary brush type or fibrous mass {1} |
331 | DF | .~.~.~> Conical deflector with curved or parabolic radially extending wide downstream end |
332 | DF | .~.~.~> Cohesive sheet-like filter {4} |