Patent · US Active

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

US7632181B2 · kind B2 · utility

1Cited by

28References

13Claims

0Family size

Assignee

Deere & Company · US

Inventors

Klaus Becker · Wetter, DE
Martin Buermann · Gundelfingen an der Donau, DE
Klaus Braunhardt · Bettendorf, US
Peter Pirro · Landstuhl, DE

Key dates

Filing date	May 28, 2008
Grant date	Dec 15, 2009
Priority date	—
Expiry date	May 28, 2028

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01F7/067
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.