Layered filter structure comprising short metal fibers
US7445853B2 · kind B2 · utility
1Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2003 |
| Grant date | Nov 4, 2008 |
| Priority date | — |
| Expiry date | Jul 27, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2913
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a layered filter structure, said filter element comprises—a first layer, said first layer comprising a porous metal layer;—a second layer, said second layer comprising a self-supporting layer of sintered short metal fibers. The first and the second layer are sintered together. The layered filter structure is in particular suitable as surface filtration medium, for example for the filtration of liquids or gases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.