PNEUMATIC SEED-SOWING MECHANISM Russian patent published in 2023 - IPC A01C7/04 

FIELD: agricultural machinery industry.

SUBSTANCE: the invention relates to agricultural machinery industry, in particular to seed-sowing mechanisms that can be used for simultaneous sowing of seeds of various crops. The pneumatic seed-sowing mechanism contains a seed hopper divided into two parts by a partition, a fan, a vacuum chamber, an air duct into which two nozzles with sleeves are built, seeding discs with suction holes and round magnetic pads with a diameter at least not less than the diameter of the suction holes, three times less than the thickness of the disc, on which holes with a diameter of 1.5…2 mm in an amount from 1 to 5, and a two-level boat-shaped coulter are made. Each seeding disc is made of a polymer material, in the suction holes of which metal bushings are embedded. In this case, the suction holes are located with an offset from the edge of the disc by 20 mm, and the ratio of the diameters of the suction hole and the seeding disc is 1:20.

EFFECT: the invention will ensure the expansion of technical capabilities and increase operational reliability.

1 cl, 9 dwg