SOIL MELLOWER WITH GAS DYNAMIC INTENSIFIER Russian patent published in 2003 - IPC

FIELD: agricultural equipment. SUBSTANCE: mellower has outlet chamber and control system. Outlet chamber is made in the form of discharge tube communicated with tooth cavity and embraced with accumulating chamber having inlet branch pipe and locking device made in the form of membrane defining single end wall for accumulating chamber and tube. Membrane is positioned for communicating accumulating chamber with tube. Control system has control chamber provided with bypass opening, three-line pneumatic distributor equipped with control electromagnet, pressure relay with electrical contact, and pressing force sensor with electric contact. Pneumatic distributor is made two-positional, with control chamber bypass opening communicating with pressurized air supply system in one position of pneumatic distributor and communicating with tube cavity through additional opening in other position of pneumatic distributor. EFFECT: increased efficiency in deep soil mellowing and reduced consumption of pressurized air. 2 dwg