Fluid sprinkling – spraying – and diffusing – Processes – Including electrostatic charging
Patent
1999-11-09
2000-10-31
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Processes
Including electrostatic charging
A01G 2310
Patent
active
061389226
ABSTRACT:
An electrostatic spray module for applying agricultural liquids such as a pesticide to crops where, externally to the spray module the number of connections is reduced to three, one for the liquid pesticide, one for compressed air and one for a low voltage signal. Internally to the spray module, the low voltage is converted to a high voltage signal, which is, along with the pesticide and the compressed air delivered to one or more electrostatic spray nozzles using only two electrically conductive pipes, a gas delivery pipe and a liquid delivery pipe. The nozzles fit into the gas delivery pipe and draw the compressed air through gas channel openings in the side of the nozzles. The gas delivery pipe doubles as the means to delivery the high voltage signal to the nozzles. Each nozzle has a liquid feed from the liquid delivery pipe, which carries ground voltage, maintaining the liquid at ground voltage. The grounded liquid merges with the compressed air in the nozzles to form an atomized liquid. The atomized liquid then passes through an electrode, which is electrically charged by the high voltage signal to form an electrostatic spray. The electrical charge in the spray leads to better dispersal of the spray due to the droplets in the spray repelling from each other, and further improves the adherence of the spray to crops which attract the charged droplets.
REFERENCES:
patent: 5326598 (1994-07-01), Seaver et al.
patent: 5765761 (1998-06-01), Law et al.
Hartman William J.
White Robert G.
Kashnikow Andres
Nguyen Dinh Q.
Progressive Grower Technologies
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