Refrigeration techniques used

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F25Refrigeration F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE

F25J2270/00Refrigeration techniques used

F25J2270/02Internal refrigeration with liquid vaporising loop F25J2270/04Internal refrigeration with work-producing gas expansion loop F25J2270/06with multiple gas expansion loops F25J2270/08Internal refrigeration by flash gas recovery loop F25J2270/12External refrigeration with liquid vaporising loop F25J2270/14External refrigeration with work-producing gas expansion loop F25J2270/16with mutliple gas expansion loops of the same refrigerant F25J2270/18External refrigeration with incorporated cascade loop F25J2270/20Quasi-closed internal or closed external hydrogen refrigeration cycle F25J2270/24Quasi-closed internal or closed external carbon monoxide refrigeration cycle F25J2270/30Quasi-closed internal or closed external helium refrigeration cycle F25J2270/40Quasi-closed internal or closed external air refrigeration cycle F25J2270/42Quasi-closed internal or closed external nitrogen refrigeration cycle F25J2270/50Quasi-closed internal or closed external oxygen refrigeration cycle F25J2270/58Quasi-closed internal or closed external argon refrigeration cycle F25J2270/60Closed external refrigeration cycle with single component refrigerant [SCR] F25J2270/66Closed external refrigeration cycle with multi component refrigerant [MCR] F25J2270/80Quasi-closed internal or closed external carbon dioxide refrigeration cycle F25J2270/88Quasi-closed internal refrigeration or heat pump cycle, if not otherwise provided F25J2270/90External refrigeration F25J2270/902Details about the refrigeration cycle used F25J2270/904by liquid or gaseous cryogen in an open loop F25J2270/906by heat driven absorption chillers F25J2270/908by regenerative chillers, i.e. oscillating or dynamic systems F25J2270/91using pulse tube refrigeration F25J2270/912Liquefaction cycle of a low-boiling (feed) gas in a cryocooler