Fluid sprinkling – spraying – and diffusing – Rigid fluid confining distributor – Fluidic oscillator
Patent
1991-05-21
1992-07-14
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Rigid fluid confining distributor
Fluidic oscillator
137835, 137842, B05B 108, F15B 2112, F15C 108, F15C 122
Patent
active
051295857
ABSTRACT:
A spray-forming output device for fluidic oscillators to provide relatively wide-angle three-dimensional output spray patterns is connected to the output of a fluidic oscillator. The device comprises mutually counter-directed conduits whose entry regions are fed from the oscillator output and whose exit regions are connected to an interaction outlet region that includes a common outlet, the common outlet being directed substantially orthogonally with respect to the plane in which the counter-directed conduits are disposed. In one embodiment, the interaction outlet region includes an impact wall disposed at the exit regions of the counter-directed conduits proximally to the common outlet. The spray-forming output device further comprises in one embodiment a shunt inertance conduit that provides an inertance shunt path between the entry regions of the counter-directed conduits, the shunt conduit being operative in smoothing out waveforms of the alternating flows from the oscillator and also providing for load-impedance matching between the oscillator and the output device. In operation, alternating output flows from the fluidic oscillator feed the counter-directed conduits and therefrom are deflected into the common outlet of the interaction outlet region. The alternating output flows mutually interact in the interaction outlet region and issue therefrom in the form of a substantially common fluid stream that oscillates or sweeps from side to side in correspondence with the oscillation of the fluidic oscillator.
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Kashnikow Andres
Morris Lesley D.
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