Filtration disc including electric field formation
US6391097B1 · kind B1 · utility
30Cited by
9References
20Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Jun 16, 2000 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Jun 16, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D46/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A multiple disc filter includes a plurality of discs arranged in a stack with a face of each disc in contact with a face of the next adjacent disc in the stack. The contacting faces of the discs include surface formations defining small filtering passageways between adjacent discs for filtering a fluid passing between them. The surface formations include a rib array of spaced rib sections integrally formed on a flat surface of one of the contacting faces; and a protrusion array of spaced, discrete protrusions spacing the rib array of the one contacting face from a flat surface of the other contacting face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.