US PATENT SUBCLASS 239 / 486
.~.~ Single planar spiral perpendicular to flow path

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}
486.~.~ Single planar spiral perpendicular to flow path

DEFINITION

Classification: 239/486

(under subclass 463) Apparatus in which the flow passages

causing the fluid to spin or rotate are spiral in form and extend only at right angles to the longitudinal axis of the flow path.

(1) Note. The arrangement is such that the fluid enters the spiral passage along its entire axial extent and is turned in a perpendicular direction from its original direction of flow.