US PATENT SUBCLASS 239 / 491
.~.~ Apertured cap surmounts whirler organization

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.~.~ Apertured cap surmounts whirler organization {3}
492  DF  .~.~.~> Whirler is cup-like insert with tangential inlets
493  DF  .~.~.~> Downstream end of core member slotted to form whirl passages
494  DF  .~.~.~> Whirler is slotted or apertured flat disc or plate {3}

DEFINITION

Classification: 239/491

(under subclass 463) Apparatus in which an end wall having an opening therethrough is provided as a terminal member downstream of the part causing the fluid to spin or rotate.

(1) Note. The end wall may be of any configuration although it is usually of the threaded cap or cup type.

SEE OR SEARCH THIS CLASS, SUBCLASS:

483+, for apertured caps surmounting integral whirler and flow controlling devices.

487+, for apertured caps surmounting axially extending spiral type passages.