HEAP SEPARATOR Russian patent published in 2003 - IPC

FIELD: agricultural engineering. SUBSTANCE: heap separator has casing incorporating throwing device and pneumatic inertial chamber with air duct and fan. Separator is further provided with pneumatic screen-type cleaner having transportation board, upper and lower screens and upper screen extension. Final threshing device positioned under screens is made in the form of hosing with inlet and outlet openings and beating drum equipped with sweeping members and shelves. Sluice-type gate is positioned above pneumatic screen-type cleaner. Settling chamber with flow guide is positioned above settling chamber. Housing is positioned in parallel with upper screen and connected to feeding chamber of pneumatic transportation system. Separator is adapted for preliminary processing of heap with increased content of non-grain components. EFFECT: increased efficiency in separation of heap and reduced grain losses. 3 cl, 2 dwg