Venting of a combine harvester

Details Venting of a combine harvester Venting of a combine harvester

A - Human Necessities

01

D

A01D 41/00 (2006.01) A01F 12/00 (2006.01) A01F 12/44 (2006.01) A01F 29/00 (2006.01)

Patent

CA 2465143

A combine harvester with a straw separating system and a rear hood with a bottom opening for discharge of the straw. A straw chopper is mounted at the rear hood for receiving the straw and lighter materials and has a rotor for chopping the straw and for generating a stream of air and chopped straw for spreading the chopped straw. At least one vent opening with upwardly and outwardly inclined louvers is provided at the rear hood, either in the hood itself or in the side walls to cause air from the sieve to move into and to discharge from the rear hood through the opening or allow air to be drawn in to satisfy the chopper requirements if the sieve airflow is lower. A fan can be provided to draw air from the opening to supplement the air stream from the chopper.

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