Ring-shaped air distribution disc and an air distribution device having such an air distribution disc
US6120572A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 21, 1999 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Jan 21, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2265/025
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A ring-shaped air distribution disc (11) for an air distribution device for providing rinsing air to an air cleaner provided with filter bags is provided. The ring-shaped air distribution disc (11) has a width that slightly exceeds the diameter (d) of at least one aperture (2) for rinsing air. In use the ring-shaped air distribution disc (11) is suspended in a free floating manner in the air distribution device, and is pressed against sealing means (5) of a number of rinsing air tubes (4) by springs (15) supported by a supporting plate (8) positioned underneath the ring-shaped air distribution disc (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.