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    • 8. 发明授权
    • Refrigeration apparatus
    • 制冷装置
    • US09429347B2
    • 2016-08-30
    • US14117667
    • 2011-08-04
    • Takeshi SugimotoTetsuya YamashitaTakashi Ikeda
    • Takeshi SugimotoTetsuya YamashitaTakashi Ikeda
    • F25B49/02F25B7/00F25B6/04F25B9/00
    • F25B49/022F25B6/04F25B7/00F25B9/008F25B2400/121F25B2600/0253F25B2600/0272F25B2700/1933Y02B30/741
    • A refrigeration apparatus includes a high-temperature side circulation circuit, a low-temperature side circulation circuit, a cascade capacitor, and control means. The high-temperature side circulation circuit forms a refrigerant circuit in which a high-temperature side compressor, a high-temperature side condenser, a high-temperature side expansion device, and a high-temperature side evaporator are connected by a pipe. The refrigerant circuit allows a high-temperature side refrigerant to circulate therethrough. The high-temperature side refrigerant has a carbon-carbon double bond in its molecular structure. The high-temperature side compressor has a variable discharge capacity and is configured to discharge the high-temperature side refrigerant. The low-temperature side circulation circuit forms a refrigerant circuit in which a low-temperature side compressor, a low-temperature side condenser, a low-temperature side expansion device, and a low-temperature side evaporator are connected by a pipe. The refrigerant circuit allows a low-temperature side refrigerant to circulate therethrough. The low-temperature side refrigerant contains carbon dioxide.
    • 制冷装置包括高温侧循环回路,低温侧循环回路,级联电容器和控制单元。 高温侧循环回路形成高温侧压缩机,高温侧冷凝器,高温侧膨胀装置和高温侧蒸发器通过管连接的制冷剂回路。 制冷剂回路允许高温侧制冷剂在其中循环。 高温侧制冷剂在其分子结构中具有碳 - 碳双键。 高温侧压缩机具有可变放电容量,并且被配置为排出高温侧制冷剂。 低温侧循环回路形成低温侧压缩机,低温侧冷凝器,低温侧膨胀装置和低温侧蒸发器通过管连接的制冷剂回路。 制冷剂回路允许低温侧制冷剂在其中循环。 低温侧制冷剂含有二氧化碳。