F25J2270/00 - CPC Classification

Refrigeration techniques used

• F25J2270/02 » Internal refrigeration with liquid vaporising loop 268
• F25J2270/04 » Internal refrigeration with work-producing gas expansion loop 157
• F25J2270/08 » Internal refrigeration by flash gas recovery loop 47
• F25J2270/12 » External refrigeration with liquid vaporising loop 280
• F25J2270/14 » External refrigeration with work-producing gas expansion loop 68
• F25J2270/18 » External refrigeration with incorporated cascade loop 48
• F25J2270/20 » Quasi-closed internal or closed external hydrogen refrigeration cycle 12
• F25J2270/24 » Quasi-closed internal or closed external carbon monoxide refrigeration cycle 23
• F25J2270/30 » Quasi-closed internal or closed external helium refrigeration cycle 8
• F25J2270/40 » Quasi-closed internal or closed external air refrigeration cycle 3
• F25J2270/42 » Quasi-closed internal or closed external nitrogen refrigeration cycle 71
• F25J2270/50 » Quasi-closed internal or closed external oxygen refrigeration cycle 13
• F25J2270/58 » Quasi-closed internal or closed external argon refrigeration cycle 11
• F25J2270/60 » Closed external refrigeration cycle with single component refrigerant [SCR], e.g. C1-, C2- or C3-hydrocarbons 203
• F25J2270/66 » Closed external refrigeration cycle with multi component refrigerant [MCR], e.g. mixture of hydrocarbons 113
• F25J2270/80 » Quasi-closed internal or closed external carbon dioxide refrigeration cycle 29
• F25J2270/88 » Quasi-closed internal refrigeration or heat pump cycle, if not otherwise provided 61
• F25J2270/90 » External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH, unspecified external refrigeration 177