GRAIN SHELLER Russian patent published in 1997 - IPC

FIELD: combined feed production and food-processing industry. SUBSTANCE: grain sheller has housing with charging, discharge and aspiration branch pipes, annular deck and rotor with drive. Deck is positioned in axial alignment with rotor. Deck and rotor are made stepped, with closed annular shelling cavities being defined between adjacent steps. Shelling working devices are positioned on upper horizontal annular wall of shelling cavities. Working devices are formed as files extending through shelling cavities to lower circular strips. Each shelling cavity has members for transfer of grain to lower shelling cavity and is communicated with aspiration branch pipe through grain transfer chambers. EFFECT: increased efficiency, simplified construction and improved quality of shelling. 3 cl, 10 dwg