PNEUMATIC SEEDING APPARATUS Russian patent published in 2016 - IPC A01C7/04 

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural machine building, particularly to pneumatic sowing apparatus, which can be used in sowing machines, primarily for single-seed sowing of seeds of two different crops at combined plantations. Pneumatic sowing apparatus consists of a seed hopper, divided by a partition into two parts, an air duct, vacuum chambers mounted on axis of seed disc and drive wheels. Sowing apparatus is equipped with two air supply pipes with sieving angle of 100-120°. Pipes are located below openings at top of seed disc. Seeder disc is composed of hub with rigidly fixed to it on sides of round plates with holes. Holes of adjacent plates are coaxial. Distance between plates is greater than width of vacuum chamber.

EFFECT: invention improves operational reliability of simplified design.

1 cl, 6 dwg