DROPPER Russian patent published in 2004 - IPC

FIELD: agronomic amelioration, in particular, dropping irrigation equipment. SUBSTANCE: dropper has feeding chamber with outlet and distributing openings and float-type regulating member. Feeding chamber has paired outlet and distributing openings. Float-type regulating member has floats fixed inside feeding chamber on cross-piece by means of spindle mounted on column. Feeding chamber is divided into alternatively operating sections. Dropper injector has rod with helical grooves and water-permeable housing equipped with rigidity ribs and ground-engaging members. Injector lower part is made sharpened for facilitating deepening of injector into soil. Distributing openings are hydraulically communicated with injector. EFFECT: uniform moistening as to width and area of soil, increased efficiency in dosed water supplying regardless of variations in water pressure in water supply pipeline. 3 cl, 12 dwg