Integral hollow fiber membrane gas dryer and filtration device
US6776820B2 · kind B2 · utility
23Cited by
24References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2001 |
| Grant date | Aug 17, 2004 |
| Priority date | — |
| Expiry date | Jul 10, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2313/44
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An integral hollow fiber membrane gas purification apparatus is disclosed. The apparatus comprises one or more filtration elements and a hollow fiber membrane cartridge placed coaxially in a common housing. In some embodiments, the filtration elements are omitted and the hollow fiber membrane cartridge is employed as a combined gas separation/filtration device. The apparatus of this invention is particularly useful for conditioning compressed air that includes the removal of both suspended matter and water vapor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.