Fluid sprinkling – spraying – and diffusing – Processes
Patent
1985-07-23
1987-04-28
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Processes
47 17, 239172, 239288, 244136, B05B 1504
Patent
active
046607625
ABSTRACT:
Method and apparatus for spraying a target surface, especially a penetrable surface like the canopy of a standing crop. The spray nozzles, mounted on a suitable vehicle, are moved over the surface and an arcuate shield, with its concave side facing towards the target, is mounted close to each nozzle on the side of that nozzle remote from the target. The effect of the movement of the shield upon the air lying between it and the target surface is to induce in that air a component of movement towards the surface, so improving the incidence upon the surface of the spray from the associated nozzle. The air movement may also tend to deflect the canopy, so helping to expose regions of the crop beyond the canopy. Such exposure can be promoted still further by mechanical deflectors. The arcuate shields may be of aerofoil section and the specification describes modified designs in which a shield comprises a series of elements with gaps between them, the envelope of all the elements having an aerofoil outline.
REFERENCES:
patent: 3512714 (1970-05-01), Phelps et al.
patent: 3933309 (1976-01-01), Odegaard
Kashnikow Andres
National Research Development Corporation
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