Fluid sprinkling – spraying – and diffusing – Electrostatic type – With fluid entrainment
Patent
1984-10-10
1987-05-19
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Electrostatic type
With fluid entrainment
239 77, 239304, B05B 502
Patent
active
046660895
ABSTRACT:
An atomized cloud of droplets having an electric charge is generated wherein different discrete parts of the cloud are formed from different liquids. The discrete part of the cloud which has an active ingredient, such as a chemical insecticide or herbicide, is contained such as by enveloping it or directing it in a particular direction by a further discrete part of the cloud that includes an inert liquid such as water. The spraying apparatus comprises a plurality of nozzles positioned in a high velocity air stream to disperse liquid and generate an atomized cloud of the liquid. The nozzles are grouped into at least two sets, each set being arranged and positioned to generate a discrete part of the cloud. An electric charge is placed on the droplets as they are emitted. Each set of nozzles further include a liquid reservoir connected to the nozzles. Each reservoir is to contain a different liquid whether it be an inert liquid or different concentrations of an active liquid.
REFERENCES:
patent: 2828158 (1958-03-01), Patterson
patent: 2925222 (1960-02-01), Sprung
patent: 3195264 (1965-07-01), Ward
patent: 3339840 (1967-09-01), Point
patent: 3369754 (1968-02-01), Wolford
patent: 3670963 (1972-06-01), Stroebel et al.
patent: 4252274 (1981-02-01), Kubacak
patent: 4467961 (1984-08-01), Coffee et al.
Agricultural Engineering "Application of Electrostatic Charging to the Deposition of Insecticides and Fungicides on Plant Surfaces"; Henry Bowen et al; pp. 347-350, Jun. 1952.
Canadian Patents and Development Limited
Kashnikow Andres
Rymek Edward
Weldon Kevin P.
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