APPARATUS FOR INTRODUCING PRESERVATIVE PREPARATIONS INTO PLANT MASS Russian patent published in 1996 - IPC

FIELD: feed production. SUBSTANCE: apparatus has adjusting hydraulic cylinder communicated with working cavity of controlling hydraulic cylinder of tractor-mounted hitch system. Stop is rigidly secured on hydraulic cylinder stem. Controlling cylinder has two dividing walls with central opening. Piston positioned in one cavity of controlling cylinder has spring-loaded stem with switch for cutting off electric pump control circuit. This cavity is communicated with pressure pipeline through slide valve. Other cavity of hydraulic cylinder is communicated with preservative preparation container through first branch pipe and with pressure pipeline through second branch pipe. Other cavity is provided with flexible membrane covering pressure pipeline inlet end. Adjusting cylinder is positioned above controlling cylinder and their stems are interconnected. EFFECT: increased efficiency, reduced dimensions and metal usage, provision for regulating dosage of preservative preparation. 2 cl, 2 dwg