WATER OUTLET FOR IRRIGATION PIPELINE Russian patent published in 2006 - IPC A01G25/02 

FIELD: drop irrigation technique for farm crops, in particular, flexible moistening devices.

SUBSTANCE: water outlet has irrigation pipeline equipped with drain openings spaced apart from one another by distance equal to farm crop planting pitch. Each drain opening is made in the form of channel having rectangular section and is oriented in wall at an angle to direction of feeding of irrigation water. Axis of symmetry of channel is aligned with part of coil of helical line between outer and inner walls of irrigation pipeline. Inclination angle of axis of symmetry of said channel in pipeline wall to direction of feeding irrigation water is within a range of 30-60 deg.

EFFECT: trouble-free service of pipeline for irrigation of farm crops and enhanced reliability in operation.

2 cl, 3 dwg