Deere & Company

Klaus A Braunhardt

Klaus Ernst Becker

Merle R Gerber

Mark F Stickler

Peter Pirro

Martin Büermann

Raymond M Andes, Jr

Daniel L Soots

The invention concerns a harvested crop processing unit with a rotor, a rotor housing enclosing the rotor, a cover element of the rotor housing, and a first group of helical guide rails that can be moved relative to the cover element between an operating position in which they are located underneath the cover element in engagement with harvested crop and a non-operating position in which they are located above the cover element. The invention proposes that a second group of helical guide rails be provided that can be moved alternately with the first group of helical guide rails relative to the cover element between an operating position in which they are located underneath the cover element in engagement with harvested crop and a non-operating position in which they are located above the cover element, and that are provided with an inclination that differs from the inclination of the guide rail of the first group.

Harvested crop processing unit with selectable guide rails of differing inclinations

A harvested crop processing unit with a rotor and a rotor housing enclosing the rotor, that includes a cover element under which a first group of helically shaped guide rails and a second group of helically shaped guide rails are attached, where the guide rails of the two groups follow each other alternately and are provided with a leading end and a trailing end in the direction of rotation of the rotor and the guide rails of the first group are arranged offset to the rear of the guide rails of the second group in the direction of rotation of the rotor. The trailing ends of the guide rail of the first group are directed at the leading end of the guide rails of the second group following in the axial direction of the rotor housing.

Harvested crop processing unit with number of circulation circuits depending on throughput

An axial flow agricultural combine has a single element rotor defining a rotor axis. The rotor is housed in a rotor housing having a threshing section and a separating section. The threshing section of the rotor housing defines a threshing axis and the separating section of the rotor housing defines a separating axis. The threshing section of the rotor housing is substantially concentric with the rotor axis passing through that section. The separating section of the rotor housing is arranged eccentric to the rotor axis. The separating axis is located above the rotor axis.

Axial flow combine having a concentric threshing section and an

The feeding section of an axial flow agricultural combine is provided with helical vanes. Each helical vane having an upstream end that is provided with a notch in which crop material is temporarily trapped. The notch is formed by tapering the upstream end of the helical vane which is welded to a transverse leading blade. The transverse leading blade is provided with a tapered leading edge to prevent crop material from hairpinning on the blade.

Notched helical vanes in the feeding section of an axial agricultural

An axial agricultural combine having independently driven threshing and separating sections. A midpoint support bearing is located between the threshing and separating sections of the rotor. The midpoint support bearing is provided with a saddle mounted to the sidesheets of the combine and extending across the bottom portion of the rotor housing. A sealing disc is mounted to the saddle and has a sealing ring that covers the threshing section/separating section interface and a web that is provided with a bearing assembly. The drive shaft for driving the threshing section passes through this bearing.

Growing community of inventors

Bettendorf, IA, United States of America

Klaus A Braunhardt