Liquefactor

Details Liquefactor Liquefactor

1980-04-07

1982-03-16

Yudkoff, Norman

Refrigeration

Storage of solidified or liquified gas

With sorbing or mixing

62 18, 62 23, 62 40, 55 75, F25J 300

Patent

active

043199003

ABSTRACT:
An apparatus for purifying and liquifying an input gas containing natural gas and air. The apparatus comprises a plurality of molecular sieve assemblies operatable to clean the gas on a gas cleaning mode and to be regenerated on a heating mode and a cooling mode. A first assembly cleans the gas while a second sieve assembly is being regenerated. A three position valve associated with each molecular sieve assembly changes the modes of the sieve assemblies. A two position valve supplies hot air for heating the sieve assemblies during the heating mode, supplies cool air for cooling the sieve assemblies when the sieve assemblies are at a temperature above 400.degree. F. and supplies cool gas for cooling the sieve assemblies when the sieve assemblies are at a temperature below 400.degree. F.

REFERENCES:
patent: 3023841 (1962-03-01), Milton et al.
patent: 3242681 (1966-03-01), Shaievitz
patent: 3554904 (1971-01-01), Humphries
patent: 3780534 (1973-12-01), Lofredo et al.
patent: 3894856 (1975-07-01), Lofredo et al.
patent: 4012205 (1977-03-01), Macriss et al.

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