Filter with initially flat membrane and curved membrane support
US4319996A · kind A · utility
33Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1980 |
| Grant date | Mar 16, 1982 |
| Priority date | — |
| Expiry date | Nov 10, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/7536
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The filter device of this invention comprises a housing with an inlet chamber and an outlet chamber separated by a deformable microporous membrane, the outlet chamber containing a perforated membrane support surface of concave compound curvature which is spaced from the wall of the outlet chamber, the deformable membrane being in contact with and conforming to the compound curvature of the support surface when fluid flows through the membrane from the inlet chamber to the outlet chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.