Automatic configuration of dual cutter mode windrowers
US6513311B1 · kind B1 · utility
9Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 2002 |
| Grant date | Feb 4, 2003 |
| Priority date | — |
| Expiry date | Jan 2, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D34/006
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The cutter head of a windrower may carry a sickle bar or a disc as the cutting element. Each type of cutting element requires a different drive power to obtain a given set point speed. To determine the type of cutter being used, the magnitude of the signal required to bring the cutting element to a given set point speed is measured and compared to limits defining first and second, non-overlapping, ranges of signal magnitudes, one range being typical of sickle bar operation and the other range being typical of disc operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.