PNEUMATIC SOWING MACHINE FOR INTEGRATED, COMBINED FROM SEVERAL CULTURES SOWING AT SAME DEPTH OF LOOSE AND LOW-FLOWING SOWING MATERIALS Russian patent published in 2020 - IPC A01C15/04 

FIELD: machine building.

SUBSTANCE: pneumatic sowing machine is characterized by the fact that in the lower parts of four reservoirs of the bunker iris gates are installed, through round holes of which are adjusted as to diameter without damages and power inputs dosed out various types of loose and, at switching on of air knifes, low-flow distributed materials into suction branch pipe of mixing chamber of air ejector with controlled and replaceable nozzles, providing mixing and stable concentration of all types of sowing material in transporting air.

EFFECT: invention ensures uniform distribution of each type of sown material along sowing machine path and field area.

1 cl, 4 dwg