Spraying device with intermittent flushing system

Details Spraying device with intermittent flushing system Spraying device with intermittent flushing system

1992-04-30

1994-04-05

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Orchard-type mobile distributor comprising fluent discharged...

239112, 239 70, 239 67, 239305, B05B 1502, B05B 700

Patent

active

052997375

ABSTRACT:
A spraying device having an automatic flushing system. A pressurized tank of formulation is mounted on a wheeled frame and connected to a plurality of nozzles via a three-way valve. The valve is further connected to a container of flushing medium. A programmable controller operates the three-way valve to periodically interrupt formulation flow and allow flushing medium flow through the conduits and nozzles to prevent clogging thereof. A pair of liquid sensors in the formulation conduit detect cessation of formulation flow triggering a timer operating the three-way valve causing flow of flushing medium upon completion of the formulation application. The formulation tank includes a vertically adjustable outlet tube controlling the amount of applied formulation. A centrifugal fan blows air past the nozzles carrying the emitted droplets into the atmosphere.

REFERENCES:
patent: 2986336 (1961-05-01), Sharkey
patent: 3069091 (1962-12-01), Giesse et al.
patent: 3128036 (1964-04-01), McBride
patent: 3421697 (1969-01-01), Marks
patent: 3446424 (1969-05-01), Wolford
patent: 3521817 (1970-07-01), Curtis et al.
patent: 4659013 (1987-04-01), Ledebuhr et al.
patent: 4714196 (1987-12-01), McEachern et al.
patent: 4723709 (1988-02-01), Curran, Jr. et al.

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