DROP OUTLET OF IRRIGATION PIPELINE Russian patent published in 2007 - IPC A01G25/02 

FIELD: drop irrigation technique for farm crops, including flexible irrigation pipelines.

SUBSTANCE: drop outlet has pipeline with inner wall equipped with inlet channels and water discharge apertures provided in outer wall. Inlet channels are arranged in group, in transverse-vertical plane of pipeline, and water discharge apertures communicating with through channels with pipeline cavity are arranged on developed outer surface of pipeline portion, along second-order curved line which defines parabola branches. Inlet channels are arranged in equally spaced relation, with angular pitch on inner surface of pipeline. Length of channel which connects inlet channel and discharge aperture is defined from formula l=√2πD, where D is inner diameter of pipeline.

EFFECT: simplified construction and improved quality of irrigation.

4 cl, 4 dwg