CPC Subgroup Additional Only
F24F 2203/021 Compression cycle
Full Title
Devices or apparatus used for air treatment > System or Device comprising a heat pump as a subsystem, e.g. combined with humidification/dehumidification, heating, natural energy or with hybrid system > Compression cycle
2 direct subcodes
Child Classifications
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- F24F 2203/023 with turbine used for expansion
- F24F 2203/025 with turbine for compression