Fluid sprinkling – spraying – and diffusing – Processes – Including electrostatic charging
Patent
1985-05-07
1986-01-21
Nase, Jeffrey V.
Fluid sprinkling, spraying, and diffusing
Processes
Including electrostatic charging
239 77, B05D 104, B05B 500
Patent
active
045653186
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: 3296015 (1967-01-01), Juvinall et al.
patent: 3504854 (1970-04-01), Kinkelder
patent: 3764068 (1973-10-01), Lacchia
patent: 3770482 (1973-11-01), Millar et al.
Canadian Patents & Development Limited
Nase Jeffrey V.
Rymek Edward
Weldon Kevin Patrick
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