DROP IRRIGATION INJECTOR Russian patent published in 2004 - IPC

FIELD: agronomic amelioration, in particular, drop irrigation of tree and like garden plantations. SUBSTANCE: injector has water outlet, porous case with pointed end and pressure regulator made in the form of replaceable porous member. Injector is equipped with screen arranged between porous case and pressure regulator. Screen is joined to inner surface of porous case. Screen is made in the form of hollow cylinder with diameter continuously reducing toward case pointed end. Angle of covering by each screen step of case surface is reducing by 30-45 deg. EFFECT: reduced water consumption, simplified construction and enhanced reliability in operation of drop irrigation injector. 7 dwg