To provide a refrigerant circuit enabling efficient use of heat by generating a heating medium directly exchanging heat with a refrigerant in an intended temperature zone.SOLUTION: A refrigerant circuit includes: a compressor compressing a refrigerant; and a refrigerant circulation flow passage for condensing, expanding and evaporating the refrigerant discharged from the compressor and then returning the refrigerant to the compressor. The refrigerant circuit also includes: a first refrigerant heating medium heat exchange part for exchanging heat between the refrigerant and a heating medium; a decompression part for decompressing the refrigerant; a second refrigerant heating medium heat exchange part for exchanging heat between the refrigerant and the heating medium; and a third refrigerant heating medium heat exchange part for exchanging heat between the refrigerant and the heating medium. The refrigerant circuit further includes bypass refrigerant piping capable of selectively bypassing any of the first refrigerant heating medium heat exchange part, the second refrigerant heating medium heat exchange part and the third refrigerant heating medium heat exchange part.SELECTED DRAWING: Figure 1

    【課題】冷媒から直接熱交換する熱媒体を所望の温度帯で生成できるようにすることで、効率的な熱利用が可能な冷媒回路を提供する。【解決手段】冷媒回路は、冷媒を圧縮する圧縮機と、圧縮機から吐出した冷媒を凝縮、膨張、蒸発させて前記圧縮機に戻す冷媒循環流路を備え、冷媒と熱媒体とを熱交換させる第1冷媒熱媒体熱交換部と、冷媒を減圧する減圧部と、冷媒と熱媒体とを熱交換させる第2冷媒熱媒体熱交換部と、冷媒と熱媒体とを熱交換させる第3冷媒熱媒体熱交換部とを備え、第1冷媒熱媒体熱交換部と第2冷媒熱媒体熱交換部と第3冷媒熱媒体熱交換部のいずれかを選択的に迂回可能なバイパス冷媒配管を設けた。【選択図】図1


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    Titel :

    REFRIGERANT CIRCUIT AND VEHICULAR HEAT PUMP DEVICE


    Weitere Titelangaben:

    冷媒回路及び車両用ヒートポンプ装置


    Beteiligte:
    SHIMIZU YOSHINOBU (Autor:in) / TAKAZAWA OSAMU (Autor:in) / MIYAKOSHI TATSU (Autor:in)

    Erscheinungsdatum :

    2022-10-06


    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



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