Combine harvester cleaning device
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United States of America Patent
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Nov 3, 2020
Grant Date -
Mar 7, 2019
app pub date -
Jul 9, 2018
filing date -
Sep 7, 2017
priority date (Note) -
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Abstract
A combine harvester is disclosed with an infeed arrangement for receiving the harvested material, with a threshing device for degraining the harvested material, and with a cleaning device that is downstream from the threshing device for segregating the harvested material, and thereby a separating the grain from the non-grain components. The cleaning device includes has a sieve device that can rotate about a rotational axis with an at least sectionally sieve-shaped sieve jacket that extends in a peripheral direction around the rotational axis. Separating the grain from the non-grain components is performed by the cleaning device by superimposing a rotary movement and oscillating movement of the sieve jacket such that the oscillating movement is directed transverse to the rotational axis of the sieve device.
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