| 摘要 |
A discharge elbow for a forage harvester. The discharge elbow includes an outer wall and two side walls that extend away from the outer wall. Together, the walls form a guidance for the flow of harvested crop ejected by the forage harvester. The discharge elbow includes an optical sensor for determining the material contents of the harvested crop. The sensor interacts with the harvested crop through an opening in the outer wall. The side walls converge towards the outer wall over at least the partial length of the discharge elbow adjoining the opening. The flow of crop is thus concentrated so that the material content of the harvested crop can be determined even at low throughput values.
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