US PATENT SUBCLASS 239 / 475
.~.~.~ And centrally ported whirler

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}
474  DF  .~.~ Annular egress outlet formed between whirler and casing {1}
475.~.~.~ And centrally ported whirler

DEFINITION

Classification: 239/475

(under subclass 474) Apparatus in which the whirler has a central fluid conducting opening, thus providing a central outlet within the discharge annulus.