Deflector for grinding chaff in swath mode

A - Human Necessities – 01 – D

Patent

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Details

A01D 41/12 (2006.01) A01F 12/44 (2006.01)

Patent

CA 2545083

The invention concerns a combine harvester, with a separating mechanism from which a first crop stream can go optionally to a straw chopper in a chopping operating mode or bypass the straw chopper in a straw deposit mode and be placed as a swath on the ground of a field, a cleaning mechanism, from which a second crop residue stream in the chopping mode and in the straw deposit mode can be taken to the straw chopper, and a guide mechanism that is arranged downstream from the straw chopper and can move optionally between a straw depositing position and a chopping position. It is proposed that the guide mechanism be oriented so that in its straw depositing position it deflects downward a portion of the second crop stream oriented in the direction of the first crop stream being ejected, and in its chopping position it does not significantly deflect the flow of the two crop streams.

L'invention touche une moissonneuse-batteuse, dotée d'un mécanisme de séparation grâce auquel un premier flux de résidus de culture peut être acheminé de manière facultative à un hache-paille, en mode hachoir, ou peut contourner le hache-paille, en mode évacuation, pour être déposé sur le champ sous forme d'andin; d'un mécanisme de nettoyage grâce auquel un second flux de résidus de culture transmise, en mode hachoir ou en mode évacuation, peut être acheminé au hache-paille; et d'un mécanisme de guidage, situé sous le hachoir, pouvant être placé en mode hachoir ou en mode évacuation. Il est proposé que le mécanisme de guidage soit orienté de sorte que lorsqu'il se trouve en mode évacuation, il dirige une partie du second flux de résidus de culture vers le bas, en direction du premier flux de résidus de culture évacué, alors que s'il se trouve en mode hachoir, il ne modifie pas considérablement l'orientation des deux flux de résidus de culture.

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