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Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F25
REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
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F25J
LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS; OR LIQUEFIED GASEOUS; MIXTURES BY PRESSURE AND COLD TREATMENT; OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
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1/00
Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
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F25J1/02
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
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F25J1/0243
Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
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F25J1/0279
Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
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F25J1/0281
characterised by the type of prime driver, e.g. hot gas expander
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F25J1/0283
Gas turbine as the prime mechanical driver
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