HOPPER OF COMBINE HARVESTER WITH PNEUMATIC SEPARATOR Russian patent published in 2016 - IPC A01F12/60 A01D41/12 

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural machine building and can be used in combine harvesters. Hopper of combine harvester with pneumatic separator includes housing with cover accommodating loading 3 and unloading devices. In side wall of housing there is a hole with a pneumatic separator. Pneumatic separator includes a fan in housing with drive 6 and air duct 7 with expansion chamber 8 and a pipe passing inside hopper. Pipe hole on one side is located near top of loading 3 screw. On other side of pipe hole enters expansion chamber 8 and tightly connected with conical insert. Air duct on one side is tightly connected to housing of fan. On other side of air duct is tightly connected with expansion chamber 8, in which on rod aligned with pipe there is valve 12. Gap between valve 12 and conical insert is controlled by a mechanism fixed on rear wall of expansion chamber 8.

EFFECT: design of hopper provides cleaning of grain heap from impurities during its loading.

1 cl, 2 dwg