Cryogenic rectification system with dual feed air turboexpansion
US5802873A · kind A · utility
22Cited by
15References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 8, 1997 |
| Grant date | Sep 8, 1998 |
| Priority date | — |
| Expiry date | May 8, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S62/939
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A cryogenic rectification system wherein feed air is turboexpanded to generate refrigeration through two turboexpanders operating at the same inlet pressure but at different inlet temperatures enabling the turboexpanders to efficiently drive the compressor or compressors which compress the feed air to the single expansion pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.