"Box" oscillator with slot interconnect

Details "Box" oscillator with slot interconnect "Box" oscillator with slot interconnect

1998-08-25

1999-10-26

Walczak, David J.

Fluid sprinkling, spraying, and diffusing

Rigid fluid confining distributor

Fluidic oscillator

239DIG3, 137826, 137811, B05B 108

Patent

active

059713011

ABSTRACT:
A low pressure fluidic oscillator having an oscillation chamber having a centerline, and a pair of mutually facing and complementary-shaped sidewalls, planar top and bottom walls, upstream end and downstream end walls. An input power nozzle is formed in the upstream end wall having a width P.sub.W and a depth PD.sub.D, for issuing a jet of liquid into the oscillation chamber and forming alternately pulsating vortices in the oscillation chamber on each side of the jet, respectively. An outlet opening is formed in the downstream end wall and substantially axially aligned with the power nozzle. A pair of short sidewalls diverge in a downstream direction from the outlet opening. The distance from the power nozzle to the outlet opening being L. A slot is formed in at least one of said top and bottom walls, the slot having a slot centerline which is spaced upstream from the outlet opening a distance from about the edge of the downstream end of said oscillation chamber to about 0.48L.

REFERENCES:
patent: 4721251 (1988-01-01), Kondo et al.
patent: 5129585 (1992-07-01), Bauer
patent: 5181660 (1993-01-01), Stouffer et al.
patent: 5213269 (1993-05-01), Srinath et al.
patent: 5213270 (1993-05-01), Stouffer et al.
patent: 5524660 (1996-06-01), Dugan
patent: 5638867 (1997-06-01), Huang

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