US PATENT SUBCLASS 55 / 447
.~ Fixed gas whirler or rotator means

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

434  DF  DEFLECTOR {10}
447.~ 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}
452  DF  .~.~> With plural concentrate outlets in arcuate, axially extending whirl chamber wall
453  DF  .~.~> With concentrate outlet means in one of parallel plates mounting spaced whirler vanes
454  DF  .~.~> With tangential concentrate outlet pipe
455  DF  .~.~> Plural nonradial gas passages in peripheral wall (e.g., tuyere)
456  DF  .~.~> Helical vane or baffle within flow conduit {1}
458  DF  .~.~> Inflow pipe projects within casing
459.1  DF  .~.~> Tangential gas inlet opening in casing {5}
461  DF  .~.~> Continuous confined flow path

DEFINITION

Classification: 55/447

(under subclass 434) Apparatus in which the direction of gas flow is changed by a static member designed to cause the gas to rotate or spin around an axis.

SEE OR SEARCH CLASS

96, Gas Separation: Apparatus,

301+, for a fixed gas whirler or rotator for gas separation combined with gas and liquid contact means.

406, Conveyors: Fluid Current,

173, for a fluid current conveyor having a cyclone separator at the outlet.