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

FIELD: agricultural engineering, in particular, farm crop irrigation equipment.

SUBSTANCE: water outlet comprises hydraulic accumulator equipped with elastic diaphragm and adapted for dividing water outlet into cavities. Hydraulic accumulator is located on distribution conduit and has water feeding pipelines and water feeding pipes. Water feeding pipelines are provided with valves and water feeding pipes are provided with cutoff members. Hydraulic accumulator is equipped with additional elastic diaphragm. Said diaphragms create pneumatic and hydraulic cavities in hydraulic accumulator. Pneumatic cavity has nipple with cap and is filled with compressed gas. Each of cutoff members is located in hydraulic cavity of hydraulic accumulator in axially aligned relation with respect to water discharge pipe. Cutoff member is made from gas-expanded plastic such as polystyrene. Cutoff member is periodically cooperating with diaphragm. Each of valves closing water feeding pipe is located in stepped cavity and is made in the form of piston with equally sized stems having diameter smaller than that of piston. Piston is spring-loaded relative to threaded plug. Stepped cavities of valve are communicating through radial apertures with hydraulic cavity of hydraulic accumulator.

EFFECT: enhanced reliability in operation of drop irrigation system owing to preventing obstruction of said system and precise dosing of water feeding.

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