AERATION TROUGH Russian patent published in 1999 - IPC

FIELD: agriculture, in particular, temporary storage or drying of seed heap of cereals, fodder and other crops by means of supply ventilation. SUBSTANCE: aeration trough has hopper with inclined side, front and rear walls. Rear wall has discharge window provided with slide valve. Hopper bottom is made in the form of air-distributing grid. Splitters are positioned between hoppers of aeration troughs. Rod-type agitator adapted for destruction of arching is composed of pivotally connected sections fixed in bearings, which are mounted on brackets and suspensions. Rod is secured in helical line on spokes which cover arc length of 30-80 deg in each section. Replaceable auger head is mounted at terminal section. EFFECT: reduced production cost by helical construction of rod fixed by spokes to drive shaft and enhanced reliability in operation. 4 dwg