Cleaning system for combines
US4869272A · kind A · utility
9Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1988 |
| Grant date | Sep 26, 1989 |
| Priority date | — |
| Expiry date | May 2, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F12/444
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An axial flow combine harvester incorporating a novel air flow system for separating grain from material other than grain. The system includes a cross-flow fan located at the exit end of the threshing cage which acts in conjunction with a cross-flow fan located adjacent the inlet end of the threshing cage to positively direct air past the cage to provide amore efficient separation of the grain from the chaff or straw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.