Control apparatus for a combine
US4589425A · kind A · utility
Inventor
Key dates
| Filing date | Jul 2, 1984 |
| Grant date | May 20, 1986 |
| Priority date | — |
| Expiry date | Jul 2, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S56/15
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The application discloses a combine machine including an air baffle plate for adjusting air flow to a cleaning chamber used for removing waste material from grain. The cleaning chamber acts to deliver a predetermined supply of air to such grain material to remove chaff and trash material from the grain. In addition to a manual control, the air is controlled automatically by sensing the manifold pressure. The sensed air pressure is supplied to a cylinder which is connected to a link assembly and to a baffle plate which controls the air supply to the cleaning chamber. Under load the baffle plate is automatically moved toward an open position. When the load is decreased the baffle plate is moved toward a closed position to reduce the air supply delivered to the cleaning chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.