DEVICE FOR WATER DISCHARGE Russian patent published in 2007 - IPC A01G25/02 

FIELD: agriculture.

SUBSTANCE: device for water discharge comprises pipeline, outlet opening, and piston built in the wall of the pipeline. The wall and the space of the pipeline are defined by flexible strips whose edges are overlapped and welded by contact welding. The welded edges are provided with labyrinth hydraulic resistance for batching the water as droplets. Each piston is provided with a valve shaped into a hollow cone and teeth over the periphery of the base. The valve is made of a material having shape memory and is mounted for permitting limited movement along the axis of the outlet opening inside the socket of the piston. The socket is shaped into a hollow truncated cone. When water pressure is 0.02 MPa, the device for water discharge provides droplet spraying, and when pressure in the pipeline is 0.06-0.08 MPa, the device provides fine spraying of near-surface air and plants.

EFFECT: increased crop capacity.

1 cl, 4 dwg