Apparatus and method for separating air
US4895583A · kind A · utility
11Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1989 |
| Grant date | Jan 23, 1990 |
| Priority date | — |
| Expiry date | Jan 12, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2250/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Method and Apparatus for separating a gaseous mixture into component gases wherein a portion of a compressed cooled stream of the gaseous mixture is substantially liquefied and respective portions sent to high and low pressure columns and either one of the gaseous components or a portion of the gaseous mixture is utilized for refrigeration from expansion with a portion of the work utilized for compression of the gaseous mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.