Ensilage harvester variable speed feed roll drive
US6052978A · kind A · utility
9Cited by
9References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 22, 1999 |
| Grant date | Apr 25, 2000 |
| Priority date | — |
| Expiry date | Mar 22, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F29/14
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A drive transmission for the feed rolls of a forage harvester includes a planetary gear set arranged such that an input shaft drives the sun gear while a further input shaft is provided by a reversible, variable speed motor that is connected to the ring gear of the planetary gear set so as to effect speed and direction changes in the output of the planetary gear set that is defined by the planet carrier. Thus, the length of cut of crop products fed to the cutterhead by the feed rolls is controlled by varying the speed of the motor in order to vary the delivery speed of the feed rolls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.