Rotary dryer having notched flights
US11008713B2 · kind B2 · utility
1Cited by
11References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 2020 |
| Grant date | May 18, 2021 |
| Priority date | — |
| Expiry date | Jan 2, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B25/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A dryer adapted for use in an asphalt plant. The dryer includes a drum having an inner wall and a flight having a proximal end connecting the flight to the inner wall of the drum and a distal end that is spaced apart from the proximal end. A first profile extends from the proximal end to the distal end of the flight and defines a flight shape. A notch is formed in the distal end of the flight, which notch includes a notch shape that is defined by a second profile. The second profile has a length L, a center point, and a portion that substantially approximates a conic section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.