US PATENT SUBCLASS 239 / 490
.~.~ Integral whirler and terminal head (e.g., terminal nut)

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}
490.~.~ Integral whirler and terminal head (e.g., terminal nut)

DEFINITION

Classification: 239/490

(under subclass 463) Apparatus in which the passages which cause the fluid to spin or rotate are formed in the terminal element itself.

(1) Note. The arrangement is such that removal of the terminal element removes the whirl effecting structure as well.

SEE OR SEARCH THIS CLASS, SUBCLASS:

489, for terminal members having ribbed, vaned or rifled passages therein.