The present disclosure provides a composition comprising a refrigerant characterized by having a coefficient of performance (COP) and a refrigerating capacity equivalent to or higher than those of R404A, and having a sufficiently low GWP. Specifically, the present disclosure provides a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132 (E)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf), wherein HFO-1132 (E) is present in an amount of 35.0 to 65.0 mass %, and HFO-1234yf is present in an amount of 65.0 to 35.0 mass %, based on the total mass of HFO-1132 (E) and HFO-1234yf, and wherein the refrigerant is for use in operating a refrigeration cycle in which the evaporation temperature is −75 to −5° C.


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    Titel :

    COMPOSITION CONTAINING REFRIGERANT, AND REFRIGERATION METHOD USING SAID COMPOSITION, OPERATING METHOD FOR REFRIGERATION DEVICE, AND REFRIGERATION DEVICE


    Beteiligte:
    OHKUBO SHUN (Autor:in) / ITANO MITSUSHI (Autor:in) / YOTSUMOTO YUUKI (Autor:in) / MIZUNO AKIHITO (Autor:in) / GOTOU TOMOYUKI (Autor:in) / YAMADA YASUFU (Autor:in)

    Erscheinungsdatum :

    2021-05-13


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C09K Materialien für Anwendungen, soweit nicht anderweitig vorgesehen , MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR / 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



    COMPOSITION CONTAINING REFRIGERANT, REFRIGERATION METHOD USING SAID COMPOSITION, METHOD FOR OPERATING REFRIGERATION DEVICE, AND REFRIGERATION DEVICE

    OHKUBO SHUN / ITANO MITSUSHI / YOTSUMOTO YUUKI et al. | Europäisches Patentamt | 2022

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