Pneumatic seeder comprising means for damping and/or diverting the flow of extracted air coming from the suction fan
US9119339B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 7, 2013 |
| Grant date | Sep 1, 2015 |
| Priority date | — |
| Expiry date | Jul 6, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C7/081
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A pneumatic seeder is provided, which is configured to be fixedly attached to a farming machine. The seeder includes an element for contacting with the ground, an element for storing a product to be sown, a pneumatic distributor of said product, a suction fan having at least one air inlet connected to the pneumatic for distributor and at least one air discharge outlet, an air extractor connected to the discharge outlet, the end of the air extractor leading out to face the ground. The seeder includes a damper and/or diverter for damping and/or diverting the flow of air coming from the air extractor. The damper and/or diverter is placed downstream from the end of the air extractor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.