US PATENT SUBCLASS 55 / 450
.~.~.~ With outlet from collector

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

434  DF  DEFLECTOR {10}
447  DF  .~ Fixed gas whirler or rotator means {9}
448  DF  .~.~ With outlet gas conduit wall common to surrounding gas inlet or concentrate outlet or collector {2}
450.~.~.~ With outlet from collector {1}
451  DF  .~.~.~.~> Tangential outlet pipe

DEFINITION

Classification: 55/450

(under subclass 448) Apparatus including a residue discharge opening from the collection chamber.