Apparatus for pneumatic transportation of particulate material such as tobacco
US5027835A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 11, 1990 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | May 11, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24C5/392
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An apparatus for transporting particulate material, such as cut tobacco, including a duct having an inlet for receiving material to be transported, an outlet for transported material, air inlet zones in the duct wall for the passage of air under pressure into the duct and air outlet zones in the duct wall wherein the inlet zones and outlet zones are positioned in the duct wall and are so dimensioned to cause an air velocity in the duct which has a first velocity component directed to urge the material transported away from the wall of the duct and a second velocity component directed to urge the material along the length of the duct.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.