UNIVERSAL PNEUMATIC SOWING APPARATUS Russian patent published in 2020 - IPC A01C7/04 

FIELD: agriculture; machine building.

SUBSTANCE: proposed invention relates to agricultural machine building, in particular, to grain sowing apparatus. Universal pneumatic sowing apparatus comprises a seed feed pipe 1, seed pipe 2 and vacuum chamber 3, between which sowing disk 5 with holes 11 is installed, agitator 9 arranged on separate shaft 10, eccentric shaft 4 of sowing disk drive 5, and dropper of extra seeds 8. On drive shaft 4 of sowing disk 5 there is additional disc 6 with holes 12 adjoining to its plane with the condition of rotation about the axis of shaft 4, equipped with retainers arranged in the recesses of sowing disk 5. Agitator 9 is made in the form of blades not adjoining the plane of sowing disk 5. Spreader of superfluous seeds 8 represents located tangentially to plane of sowing disk 5 branch pipe of air flow directed towards direction of rotation of sowing disk 5.

EFFECT: invention will make it possible to provide single-grained sowing of seeds of various type and size.

1 cl, 4 dwg