DROPPER-SPRINKLER Russian patent published in 2015 - IPC A01G25/02 B05B1/18 

FIELD: agriculture.

SUBSTANCE: dropper-sprinkler is mounted on a flexible irrigation pipeline using the clamps covering the irrigation pipeline, connected of two half-rings by the bolts. At the lower part of the clamp a threaded pipe is secured to mount the dropper housing, in which the water-conducting channels are made. In the inner cavity the guide piston is mounted, held by a compression spring and connected with a conical valve. The valve seat is connected to the inner cavity of the probe in the side walls of which the water-conducting channels are made. In the upper part of the clamp the threaded nozzle is attached for the sprinkler. In the nozzle the bearing washer is mounted with a calibration orifice for the ball valve located in the housing, mounted by thread in the threaded nozzle. The ball valve is fixed by a compression spring between the thrust and bearing washers. The housing in the upper part is made cylindrical and has the ribbed inner walls. On the cylindrical part of the housing the corrugated water-conducting pipeline is mounted, connected to the nozzle having the output windows and fixed to the deflector in the form of a paraboloid of revolution.

EFFECT: enabling the ability of uniform wetting of the root layer of soil, the favourable microclimate for cormophyte part of plants, increase in yields.

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