Oxygen enrichment system for medical use
US4222750A · kind A · utility
75Cited by
12References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 1976 |
| Grant date | Sep 16, 1980 |
| Priority date | — |
| Expiry date | Aug 16, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/4533
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method and apparatus for operating a two-bed oxygen enrichment system is disclosed in which the efficiency of the system is increased by first evacuating and then purging a bed of adsorbed gas using a short period of flow of a high purity gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.