US PATENT SUBCLASS 239 / 492
.~.~.~ Whirler is cup-like insert with tangential inlets

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

461  DF  FLOW DEFLECTING OR ROTATION CONTROLLING MEANS {9}
463  DF  .~ Fluid rotation inducing means upstream of outlet {12}
491  DF  .~.~ Apertured cap surmounts whirler organization {3}
492.~.~.~ Whirler is cup-like insert with tangential inlets

DEFINITION

Classification: 239/492

(under subclass 491) Apparatus in which a member is provided in the flow line, the member being thimble-like or dished in configuration with the closed end of the cavity facing upstream, the fluid caused to rotatively enter the cavity by one or more ports formed in the wall of the member at right angles to the axis of the cavity and nonradially therewith.