F25J1/0243 - CPC Classification

Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used

• F25J1/0244 » {Operation; Control and regulation; Instrumentation } 46
• F25J1/0257 » {Construction and layout of liquefaction equipments, e.g. valves, machines } 44
• F25J1/0279 » {Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.} 69

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