PNEUMATIC SEEDING APPARATUS Russian patent published in 2011 - IPC A01C7/04 

FIELD: agriculture.

SUBSTANCE: seeding apparatus comprises a body with seed chamber, a vacuum chamber, a flat dropper of excess seeds and a sowing disc with lengthy radially arranged sucking holes. Sucking holes are made in the form of slots crossing generatrix surface of sowing disc. An inlet face is arranged on working surface of flat dropper of excess seeds at the side facing seed chamber. Lower edge of face is distanced from the centre of sowing disc at the distance that exceeds its radius. At the same time inlet face is arranged at the angle of not more than 20° to plane of tangent to generatrix surface of sowing disc and passing through crossing point of input face and forming surface of sowing disc.

EFFECT: invention increases quality of seeds dosing.

2 dwg