Feeder device for feeding a powder material
US11820603B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2020 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Jul 30, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G2812/0594
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A feeder device for feeding powder, having a barrel feeding channel with a downstream end. The feeding channel including at least one conveying element for conveying the powder material to the downstream end. A rotatable exit element provided at the downstream end of the feeding channel. The rotatable exit element includes an annular portion defining exit openings defined by powder engaging edges. The rotatable exit element is positioned transversally outside the barrel in a proximity of the downstream end of the feeding channel. The feeding channel has a first, inner diameter and the rotatable exit element has a second, outer diameter, where the second, outer diameter is equal to or larger than the first inner diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.