Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – Including whirler device to induce fluid rotation
Patent
1978-10-16
1980-12-30
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Combining of separately supplied fluids
Including whirler device to induce fluid rotation
137808, 239463, 2395903, 261DIG48, 261DIG78, B05B 1706
Patent
active
042418771
ABSTRACT:
Exceptional atomization of liquids is achieved by combining shock wave formation and vortex generation in a gas stream. In a vortex generating device, a flow passage is aligned with a flow axis connected between a fluid inlet and a fluid outlet, and a plurality of tornado-like gas vortices are generated in the flow passage. In one embodiment, a restriction is formed in the fluid inlet, and a source of gas under sufficient pressure to cause sonic velocity at the restriction is connected to the inlet. In another embodiment, a restriction is formed in a downstream portion of a flow passage, and a pair of auxiliary flow passages connect an upstream portion of the flow passage to the restriction. In an embodiment, a fluid outlet has a concave semispherical surface opening into an ambient region. In another embodiment, a first annulus is formed in the flow passage by a rod, and a second annulus is formed in the flow passage by the rod and a reduction in cross-sectional area of the flow passage; a source of atomizing gas under pressure and a source of liquid under pressure to be atomized are both connected to the fluid inlet.
REFERENCES:
patent: 970382 (1910-09-01), Mummelthey
patent: 1411513 (1922-04-01), Pitt
patent: 3058669 (1962-10-01), Drell
patent: 3648932 (1972-03-01), Ewald et al.
patent: 4109862 (1978-08-01), Hughes
Hughes Sciences Group, Inc.
Kashnikow Andres
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