Pleated filter element with tapering bend lines
US8397920B2 · kind B2 · utility
57Cited by
18References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2011 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Oct 14, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/602
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A pleated filter element extends axially between an upstream inlet and a downstream outlet along a plurality of axially extending bend lines forming axial flow channels. The bend lines taper in a transverse direction and define a plurality of axially elongated tetrahedron channels facing oppositely to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.