A method of operating a stop-start vehicle with an HVAC system that does not include an electric auxiliary coolant pump for circulating warm coolant to a heater core of the HVAC system in an engine-off condition of the vehicle comprises the steps of driving the vehicle via compulsion by an engine in an environment having an ambient outside temperature of about or less than 30 degrees Fahrenheit, entering an auto stop event, such that the engine enters the engine-off condition, and circulating heated air into a cabin of the vehicle in the engine-off condition for at least one minute. The heated air is circulated by decreasing the speed of a blower motor, adjusting a recirculation door position to increase air recirculation, and adjusting a temperature blend door position toward a full-heat position based on a sensed engine coolant temperature and a sensed evaporator core temperature.


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    Titel :

    HEATING VENTILATION AND COOLING SYSTEM FOR A VEHICLE


    Beteiligte:
    GUTOWSKI ALAN (Autor:in) / KOBERSTEIN MANFRED (Autor:in) / PATTI ANGELO (Autor:in)

    Erscheinungsdatum :

    2023-08-10


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    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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