SUBSOIL MINERAL FERTILIZER APPLICATOR Russian patent published in 1998 - IPC

FIELD: agricultural engineering. SUBSTANCE: applicator has frame, carrier wheels, tillage tools, frame lifting mechanism, tillage tool depth regulating mechanism, hitching mechanism, mineral fertilizer hopper, dosers and doser drives, fan with hydraulic drive, airducts, fertilizer guides, fertilizer flow dividers and fertilizer pipes. Fan has air flow dividers and individual airducts, each connected with fertilizer flow divider and having mutually joined chamber and casing. Screens mounted in chamber are adapted for simultaneously dividing fertilizer and air flows into additional flows with following narrowing of flows and feeding fertilizers through fertilizer pipes. Fertilizer pipes are arranged in bundles on rear part of tines and tillage tool shoes. Lower ends of fertilizer pipes are positioned in equally spaced relation along width of tillage tool and provided with nozzles. EFFECT: increased efficiency by uniform distribution of mineral fertilizers. 7 cl, 16 dwg