Refrigeration – Processes – Circulating external gas
Patent
1980-07-10
1981-12-01
Yudkoff, Norman
Refrigeration
Processes
Circulating external gas
62 41, 62 38, 62 30, F25J 304
Patent
active
043034284
ABSTRACT:
This invention relates to cryogenic air separation processes. Liquid low-pressure oxygen is pumped to a high pressure and vaporized and heated in thermal exchange with a first high-pressure fluid, and a second intermediate-pressure fluid drawn off and expanded in a turbine.
The invention is used in the production of oxygen under high pressure.
REFERENCES:
patent: 2520862 (1950-08-01), Swearingen
patent: 3083544 (1963-04-01), Jakob
patent: 3143406 (1964-08-01), Becker
patent: 3214925 (1965-11-01), Becker
patent: 3648471 (1972-03-01), Basin et al.
L'Air Liquide Societe Anonyme pour l'Etude et, l'Exploitation de
Yudkoff Norman
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