FIELD: agricultural engineering, in particular, plant protecting machines.
SUBSTANCE: sprayer has pressure pipe, dosing device mounted in pressure pipe and adapted for delivery of water and pesticide in respective doses. Dosing device has piston with annular bore, spring abutting against piston skirt, inlet openings communicated with water tank and concentrate tank, and outlet openings. Lower cavity of tank comprising concentrate is connected through bubbler with pressurized gas source, and pressure regulator is positioned in upper cavity.
EFFECT: simplified construction, reduced metal usage and improved quality of mixture produced from water and concentrate.
4 dwg
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