Refrigeration cycle for liquid oxygen densification
US10808967B2 · kind B2 · utility
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28References
9Claims
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Key dates
| Filing date | Jan 15, 2018 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Sep 21, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2290/34
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Closed-loop refrigeration cycles for liquid oxygen densification are disclosed. The disclosed refrigeration cycles may be turbine-based refrigeration cycles or a Joule-Thompson (JT) expansion valve based refrigeration cycles and include a refrigerant or working fluid comprising a mixture of neon or helium together with nitrogen and/or oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.