Air filter arrangement for an agricultural combine having with stationary and rotary filters
US7875093B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 7, 2010 |
| Grant date | Jan 25, 2011 |
| Priority date | — |
| Expiry date | May 7, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D46/69
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air filter arrangement for an agricultural combine located on a panel at a side wall of the agricultural combine. The air filter arrangement includes a rotary filter mounted for rotation at a first aperture, a scoop enclosing the rotary filter and blocking substantially all air flow to the rotary filter except at a scoop inlet disposed along an upper edge of the scoop above the rotary filter, and at least one stationary filter disposed to filter air passing through a second aperture in the panel, the stationary filter being located between an upper portion of the rotary filter and the scoop inlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.