US PATENT SUBCLASS 55 / 337
.~.~.~.~ Cyclone or centrifugal whirl type deflector

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

315  DF  PLURAL SERIAL BASICALLY DIVERSE SEPARATING MEDIA {3}
318  DF  .~ Plural stages in unitary casing {2}
320  DF  .~.~ Deflector and fibrous, filamentary, particulate solids, or cohesive sheet filter type {6}
332  DF  .~.~.~ Cohesive sheet-like filter {4}
337.~.~.~.~ Cyclone or centrifugal whirl type deflector

DEFINITION

Classification: 55/337

(under subclass 332) Apparatus in which the impingement or flow redirecting means causes the system fluid to assume a spinning or turning motion around an axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

345+, and 447+, for other apparatus in which separation is caused by the gas rotating around an axis.