PNEUMATIC SYSTEM OF GRAIN COMBINE HARVESTER FOR TRANSPORTATION THRESHING PRODUCTS Russian patent published in 2013 - IPC A01D41/00 

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural machinery industry, mainly to the pneumatic systems for transfer of threshing products in grain combine harvesters. The pneumatic system of a grain combine harvester comprises loading devices, transporting means, feeding pipelines and air ducts. The transporting means are made in the form of rectangular frames consisting of side, rear and front generators. The side generators of both transporting means are located parallel to the base of the housing of the threshing unit. The inner sides of the rear and side generators comprise sealing material on the top along the perimetre, which is in contact with wear-resistant band cloth. The band cloth is connected to the Poly-V belts and covers the intermediate rollers and pulleys. The intermediate rollers are mounted on the drive and tension rollers. The blank branch of each band cloth comprises a supporting roller and a scraper.

EFFECT: pneumatic system has high performance and provides reduction of grain damage in feeding pipelines.

5 cl, 11 dwg