Adjustable dual-blade dust filter using granular bed flow
US7727298B2 · kind B2 · utility
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12References
3Claims
0Family size
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Key dates
| Filing date | Feb 20, 2007 |
| Grant date | Jun 1, 2010 |
| Priority date | — |
| Expiry date | Nov 18, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D46/34
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A dust filter has adjustable sub-blades between blades. By adjusting the blades distanced and the sub-blades' positions and angles, stagnation area of filtration material on the blades are removed. Furthermore, space in the dust filter is fully used. Thus, a filtering efficiency is improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.