The HVAC system of a vehicle passenger compartment with air flow alteration, which pertains to the system of air conditioning with several working modes for air conditioning of the passenger compartment, i.e. to the system that allows for cooling, heating, and dehumidifying of the space inside the vehicle passenger compartment, according to the present invention, comprises a refrigerant cycle which includes a compressor (1), heat exchanger (2) for heating, the first adjustable throttle valve (5), medium pressure heat exchanger (3), the second adjustable throttle valve (6), and an evaporator (4); and that comprises a subsystem (300) for altering the air flow topology inside which are placed the medium pressure heat exchanger (3) and the evaporator (4), a device (301) for additional heating inside which is placed the heat exchanger (2) for heating, external air flow which leads the air through the subsystem (300) for altering the topology of air flow into the environment, and the internal air flow that leads the air through the subsystem (300) for altering the air flow topology and the device (301) for additional heating into the passenger compartment; while the subsystem (300) for altering the air flow topology has at least two working modes, so that in the first working mode the external air flow includes the medium pressure heat exchanger (3), and the internal air flow includes the evaporator (4), whereas in the second working mode the external air flow includes the evaporator (4), and the internal air flow includes the medium pressure heat exchanger (3); and where the said system (300) realises at least one of the functions of heating, cooling, and dehumidifying of the passenger compartment air.


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    Title :

    HVAC system of the vehicle passenger compartment with air flow topology alteration


    Contributors:

    Publication date :

    2020-06-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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 / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS



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