UNIVERSAL DOSING DEVICE Russian patent published in 2019 - IPC A01C7/04 

FIELD: agriculture; machine building.

SUBSTANCE: invention relates to agricultural machine building, particularly to pneumatic sowing apparatus, which can be used in sowing machines, primarily for single-seed sowing for combined and single seed planting. Universal dosing device comprises seed bunker 1 separated by baffle 2, air nozzles 6, sowing device consisting of two rings with conical cells, and ploughshare 7. Rings are rigidly interconnected with possibility of rotation. One of the rings is made with a chord-forming plate in the center with a mounting hole for the shaft. Ratio of the ring width to the large diameter of the cell and to the diameter of the ring is determined by condition of 0.6:1:10. Distance between cells is at least not less than their larger diameter.

EFFECT: invention allows simplifying the design and reducing metal consumption.

1 cl, 9 dwg