PROBLEM TO BE SOLVED: To provide a refrigeration cycle apparatus capable of attaining an energy saving effect through increasing of enthalpy difference in an evaporator even if heat radiation from refrigerant is limited in a heat exchanger for supercooling.SOLUTION: A refrigeration cycle apparatus 1 comprises a supercooling heat exchanger 4 for radiating heat of refrigerant flowed out from a condenser 3 through heat exchange with blown air and additionally an internal heat exchanger 7 for heat exchange between refrigerant passing through the inside of the first heat exchange part 71 and refrigerant passing through the inside of second heat exchange part 72. Then, a first heat exchange part 71 of the internal heat exchanger 7 is arranged between the supercooling heat exchanger 4 and a pressure reducing device 5. A second heat exchange part 72 is arranged between an evaporator 6 and a compressor 2. Consequently, even in MAXCOOL time at which heat radiation from the refrigerant is limited in the supercooling heat exchanger 4, for example, a second door 172 is fully closed, the refrigeration cycle apparatus can attain a power saving effect through heat exchange between the refrigerants in the internal heat exchanger 7.SELECTED DRAWING: Figure 1

    【課題】過冷却用熱交換器にて冷媒からの放熱が制限される場合でも、蒸発器におけるエンタルピ差の増加により省動力効果を得ることができる冷凍サイクル装置を提供する。【解決手段】冷凍サイクル装置1は、凝縮器3から流出した冷媒を送風空気との熱交換により放熱させる過冷却用熱交換器4に加え、第1熱交換部71内を通過する冷媒と第2熱交換部72内を通過する冷媒とを熱交換させる内部熱交換器7を備えている。そして、その内部熱交換器7の第1熱交換部71は過冷却用熱交換器4と減圧装置5との間に配置され、第2熱交換部72は蒸発器6と圧縮機2との間に配置されている。従って、過冷却用熱交換器4にて冷媒からの放熱が制限される例えば第2ドア172が全閉とされたMAXCOOL時においても、内部熱交換器7での冷媒同士の熱交換によって省動力効果を得ることが可能である。【選択図】図1


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    Titel :

    REFRIGERATION CYCLE APPARATUS


    Weitere Titelangaben:

    冷凍サイクル装置


    Beteiligte:
    SAKAMOTO KOTA (Autor:in) / NISHIDA SHIN (Autor:in) / NISHIKAWA MICHIO (Autor:in)

    Erscheinungsdatum :

    2016-07-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / F28D Wärmetauscher, soweit in keiner anderen Unterklasse vorgesehen, in denen die Wärmetauschmittel nicht in direkte Berührung miteinander kommen , HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT / F28F Einzelheiten von Wärmetauschern oder Wärmeübertragungsvorrichtungen für allgemeine Verwendung , DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION



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