US PATENT SUBCLASS 55 / 331
.~.~.~ Conical deflector with curved or parabolic radially extending wide downstream end

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}
331.~.~.~ Conical deflector with curved or parabolic radially extending wide downstream end

DEFINITION

Classification: 55/331

(under subclass 320) Apparatus in which the impingement or flow redirecting means comprises a member which increases in diameter in the direction of gas flow and at its maximum diameter is provided with an arched or curved element extending outwardly.

SEE OR SEARCH THIS CLASS, SUBCLASS:

463, for a similar impingement surface, per se.