Patent · US Active

Harvested crop residue chopping and distribution arrangement for a combine with an impeller blower

US8146336B2 · kind B2 · utility

5Cited by

8References

8Claims

0Family size

Assignee

Deere & Company · US

Inventors

Dirk Weichholdt · Sarreguemines, FR
Rico Priesnitz · Lebach, DE
Friedrich Lauer · Gaimersheim, DE
Oliver Klein · Saarlouis, DE
Chad A. Dow · East Moline, US
Joel D. Ferris · Davenport, US

Key dates

Filing date	Aug 26, 2009
Grant date	Apr 3, 2012
Priority date	—
Expiry date	Jan 28, 2030

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01F12/40
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A harvested crop residue chopper-and distribution arrangement for a combine (10) has a straw chopper (60) with an outlet (80) arranged in the plane of the outlet (96), with at least one impeller blower (82) arranged downstream of the outlet (80) of the straw chopper (60) with impeller blades (84) that can be rotated in the plane of the impeller blower (98) about an axis of rotation (88), where the plane of the impeller blower (98) may be inclined relative to the plane of the outlet (96). The impeller blades (84) may be connected with a central body (92) that is connected to a cone (94) facing the outlet (80) of the straw chopper (60).

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