Device for separating and screening of bulk materials and a self-propelled combine with such a device
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United States of America Patent
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-
Apr 4, 1995
Grant Date -
N/A
app pub date -
Jul 8, 1993
filing date -
Jul 8, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The device for separating and screening bulk materials, in particular crop materials, is formed by a zig-zag separator (9) with separation conduits (14) which are diverted once or several times in the vertical direction and through which a separator air stream (SL) flows, and its top and bottom which is covered by the bulk material (6, 7)--crop material--forms a screening surface (9a). The zig-zag separator (9) forms a cross flow orientation of the rising separator air flow (SL) at the bends (14a) of its separator conduits (14) and a rotating material vortex (GW) in the separator conduits (14), by means of which the light chaff/stalk parts (7) are moved upward and the grain (6) is released downward.
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