SELECTION SPRAYER Russian patent published in 2012 - IPC A01C23/00 

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural production, particularly to sprayers for pesticide application, and is designed for mechanisation of work in plant selection, crop variety testing and primary seed farming of grain and leguminous crops. Selection sprayer comprises powered high-clearance carrier, a tank for power fluid, a tank for washdown water, a mixer, a sectional rod with nozzles, a metering unit-distributor. The sprayer is equipped with a redundant drain node for calibrating nozzles and differential switching the rod sections, connected by sewage branch pipes with the tank for power fluid, and made as a tank with sections with nozzles placed in it, which are identical on hydraulic resistance to the working sections with nozzles on a rod of the sprayer, and a level sensor. In addition, the mixer is mounted on a sprayer rod.

EFFECT: invention enables to provide more convenient location of the mixer, more reliable and quick checkout of functions and nozzles calibration directly on the working solutions of pesticides, as well as provide the ability to switch the rod sections without the need to adjust pressure in the hydraulic working sections.

1 cl, 3 dwg