COMBINE HARVESTER Russian patent published in 1996 - IPC

FIELD: agricultural engineering. SUBSTANCE: self-propelled grain combine harvester has frame-mounted undercarriage 1, cabin 2, engine 3, reaper 3, hopper 5, a two-cylinder threshing-separating device with first and second rasp-bar cylinders 7 and 8, screen cleaner 9 with fan 10 and bottom and top screens, grain and tailings augers 11 and 12, grain and tailings elevators 13 and 14, and a stacker. The thresher is provided with an additional cleaning-separating device. The additional cleaning-separating device has top and bottom screens 15 and 16 and slide board 17. The slide board is located under rasp-bar cylinder 7. Wall 18 divides hopper 5 into two departments. Port 21 in the lower part of the wall is provided with shutter 22. Additional grain auger 23 and additional grain elevator 24 are installed between fan 10 and grain auger 11. The outlet end of the grain elevator is located over one of the departments of hopper 5. The outlet end of main elevator 13 is located over the other department of the hopper, and damper 25 is mounted for rotation between augers 11 and 23. Bottom screen 16 of second cylinder 8 is provided with apron 30. EFFECT: higher efficiency. 2 cl, 5 dwg