PNEUMATIC SEED DRILL WITH CENTRAL METERING SYSTEM Russian patent published in 2012 - IPC A01C7/08 A01C15/04 

FIELD: agriculture.

SUBSTANCE: system contains a source of excess air pressure series-connected with pneumatic pipelines, as well as a hopper with a dispenser of roll type, a distributor of seeds and divider of pneumatic flow. The distributor of seeds comprises a chamber, which lateral surface is made in the form of a rotary body having a lid and a bottom. The chamber is connected by the outlet pneumatic hoses with openers. The bottom of the chamber of the distributor of seeds is made convex, and pipes of outlet pneumatic hoses are located along its perimetre. The final section of pneumatic pipeline is divided to at least two pneumatic channels connected to the lateral surface of the chamber of the distributor of seeds over the pipes of outlet pneumatic hoses. In the pneumatic hoses through holes are made.

EFFECT: pneumatic seed drill with a central metering system is introduced.

5 cl, 9 dwg