Fluid sprinkling – spraying – and diffusing – Rigid fluid confining distributor – Fluidic oscillator
Patent
1991-09-13
1993-05-25
Shaver, Kevin P.
Fluid sprinkling, spraying, and diffusing
Rigid fluid confining distributor
Fluidic oscillator
137811, 239DIG3, B05B 108
Patent
active
052132706
ABSTRACT:
A fluidic oscillator which is free of feedback passages has an oscillation chamber having a length greater than its width, a pair of mutually facing and complementarily-shaped sidewalls and planar top and bottom walls, and first and second end walls. An input power nozzle is formed in said first end wall having a width W and a depth D, for issuing a stream of fluid into the oscillation chamber, and form alternately pulsating, cavitation-free vortices in said oscillation chamber on each side of the stream. An outlet opening formed in the downstream end wall and axially aligned with the power nozzle and has a width and depth such that internal pressure in the oscillation chamber is greater than ambient. The outlet wall is hingedly connected to a chamber wall and the chamber is such that it can be molded with the outlet wall hingedly connected thereto in one molding.
REFERENCES:
patent: 4151955 (1979-05-01), Stouffer
patent: 4398664 (1983-08-01), Stouffer
patent: 4508267 (1985-04-01), Stouffer
patent: 4562867 (1986-01-01), Stouffer
patent: 4596364 (1986-06-01), Bauer
patent: 4662568 (1987-05-01), Bauer
patent: 4721251 (1988-01-01), Kondo et al.
patent: 5035361 (1991-07-01), Stouffer
Srinath Dharapuram
Stouffer Ronald D.
Bowles Fluidics Corporation
Shaver Kevin P.
Trainor Christopher G.
Zegeer Jim
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