Disclosed is a unitary heat pump air conditioner (HPAC) system (10) having a refrigerant diversion loop (49) configured to supply sufficient heat to defrost an external heat exchanger (44) while not materially affecting the supply of heat to the passenger compartment of a vehicle. The HPAC system (10) includes a refrigerant loop (12) configured to pump heat from a cold coolant loop (14) that scavenges heat from the external heat exchanger (44) to a hot coolant loop (16) that supplies heat to the passenger compartment. The refrigerant loop (12) includes a condenser (18) in thermal communication with the hot coolant loop (16), evaporator (22) in thermal communication with the cold coolant loop (14), and a compressor (24) to cycle the refrigerant through the refrigerant loop (12). The refrigerant loop (12) further includes means to selectively divert at least a portion of the hot compressed refrigerant exiting the compressor (24) directly to the evaporator (22) to heat the cold coolant loop (14) sufficient to defrost the external heat exchanger (44).


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    Titel :

    A UNITARY HEAT PUMP AIR CONDITIONER HAVING A COMPRESSED VAPOR DIVERSION LOOP


    Weitere Titelangaben:

    EINHEITLICHE KLIMAANLAGE FÜR EINE WÄRMEPUMPE MIT KOMPRIMIERTER DAMPFDIVERSIFIZIERUNGSSCHLEIFE
    CLIMATISEUR À POMPE À CHALEUR UNITAIRE AYANT UNE BOUCLE DE DÉRIVATION DE VAPEUR COMPRIMÉE


    Beteiligte:
    KOWSKY CARRIE M (Autor:in) / KADLE PRASAD S (Autor:in) / ODDI FREDERICK V (Autor:in) / LEITZEL LINDSEY L (Autor:in)

    Erscheinungsdatum :

    30.05.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F25D REFRIGERATORS , Kühlschränke / 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 / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS / F28F Einzelheiten von Wärmetauschern oder Wärmeübertragungsvorrichtungen für allgemeine Verwendung , DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION



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