US PATENT SUBCLASS 239 / 471
.~.~.~ Having valved inlet


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}
468  DF  .~.~ Whirl chamber transversely offset to single inflow path (i.e., tangential inflow) {2}
471.~.~.~ Having valved inlet


DEFINITION

Classification: 239/471

(under subclass 468) Apparatus including a valve at the flow inlet to the whirl chamber.