A heating, ventilation and/or air-conditioning apparatus (1) for the passenger compartment of a motor vehicle includes a housing (2) comprising a first air inlet (3) and a second air inlet (4). The housing (2) directs an inner air flow (Fi) from the first air inlet (3) and/or the second air inlet (4) and contains at least a first heat exchanger (5). The housing (2) includes: an air flow channel (24) directing the inner air flow (Fi) in the housing (2) while bypassing the first heat exchanger (5); and an air inlet duct (23) directing the inner air flow (Fi) in the housing (2) through the first heat exchanger (5). A heating, ventilation and/or air-conditioning installation for the passenger compartment of a motor vehicle includes: an air conditioning loop through which a coolant flows. The loop includes at least one compressor, a first expansion member, an outer heat exchanger and the first heat exchanger (5). The installation also includes the heating, ventilation and/or air-conditioning apparatus (1).

A vehicular air-conditioning unit has an air-conditioning case, a first ventilation passage and a second ventilation passage, a first communication-ventilation passage defined in the air-conditioning case, the first communication-ventilation passage through which one end of the first ventilation passage communicates with one end of the second ventilation passage, a first heat exchanger that heats or cools air flowing in the first ventilation passage, a second heat exchanger that heats or cools air flowing in the second ventilation passage, and a blowing mode switching device setting any one of blowing modes. The blowing modes include (i) a first blowing mode in which air is blown into a vehicle compartment after flowing through the first ventilation passage and in which air is blown into the vehicle compartment after flowing through the second ventilation passage and (ii) a second blowing mode in which air flows into the second ventilation passage through the first communication-ventilation passage after flowing through the first ventilation passage and is blown into the vehicle compartment.

An air-conditioning unit is configured to operate in an internal/external air two-layer mode. The air-conditioning unit includes an air-conditioning case defining a passage, a first heat exchanger, a second heat exchanger, an upstream partition and an intermediate partition. The upstream partition and the intermediate partition collectively partition the passage into a first passage through which internal air introduced from an internal air introducing port flows during the two-layer mode and a second passage through which external air introduced from an external air introducing port flows during the two-layer mode. The upstream partition is located upstream of the first heat exchanger and the intermediate partition is located between the first heat exchanger and the second heat exchanger. The intermediate partition is integrally formed with at least one of the first heat exchanger or the second heat exchanger.

A motor vehicle includes a passenger space and a HVAC system. The HVAC system includes a heater, an air conditioner, and ducts configured to heat and/or cool air to the passenger space. The HVAC system is configured to increase humidity of air while the air is flowing through the HVAC system, and to introduce a sanitizing agent into air while the air is flowing through the HVAC system. A controller is configured to actuate the HVAC system to circulate humidified air containing the sanitizing agent through the passenger space to neutralize pathogens that may be present in the passenger space.

The invention relates to a heating, ventilation and/or air-conditioning device (1) for a motor vehicle, comprising a housing (2) defining a flow channel (3) for an air flow, in which are arranged a first heat exchanger (4), a second heat exchanger (6), the first (4) and second (6) heat exchangers being arranged in substantially orthogonal planes, a bypass path (28) of the second heat exchanger (6) and at least one air outlet duct (12,14,16), each air outlet duct (12,14,16) being configured to guide the air flow in particular towards different regions of a vehicle passenger compartment. According to the invention, a mixing flap (30) comprising a sliding door is arranged in the flow channel (3) so as to be able to close the bypass path (28) and/or the second heat exchanger (6), and a second dispenser flap (22) comprising a sliding door is arranged so as to be able to at least partially close a first of said air outlet ducts (12,14,16). The invention also relates to a motor vehicle comprising such a device.

A motor vehicle includes a passenger space and a HVAC system. The HVAC system includes a heater, an air conditioner, and ducts configured to heat and/or cool air to the passenger space. The HVAC system is configured to increase humidity of air while the air is flowing through the HVAC system, and to introduce a sanitizing agent into air while the air is flowing through the HVAC system. A controller is configured to actuate the HVAC system to circulate humidified air containing the sanitizing agent through the passenger space to neutralize pathogens that may be present in the passenger space.

An air conditioning system has a fan configured for generating an airflow in a predetermined direction. The system includes a heat exchanger assembly configured for being crossed by the airflow for exchanging heat in a controlled manner. An air outlet is located downstream of the heat exchanger assembly and configured for delivering the airflow. The heat exchanger assembly includes an evaporator having a back surface or side facing towards the air outlet and configured for being crossed by the cooled airflow. The system also includes a droplet separator located downstream of and in proximity to the back surface or side. The droplet separator is configured for deviating droplets of water vapor condensed on the back surface or side, so as to prevent the down flow of the droplets of water vapor towards the air outlet.

An air conditioner includes a first inlet-side inside/outside air switching part, a first outlet-side outside/inside air switching part, a second inlet-side inside/outside air switching part and a second outlet-side inside/outside air switching part. In a dehumidifying heating mode, the first outlet-side inside/outside air switching part makes a switch to a ventilation path that guides air having passed through a first heat exchange part into a space to be air-conditioned, and the second inlet-side inside/outside air switching part makes a switch to a ventilation path that guides outside air to a second heat exchange part. In a defrosting mode, the second inlet-side inside/outside air switching part makes a switch to a ventilation path that guides inside air to the second heat exchange part, and a flow rate of refrigerant flowing through the second heat exchange part is reduced more than in the dehumidifying heating mode.

An air-conditioning unit includes an air-conditioning case, a blower, and a cooling heat exchanger disposed at a position upstream of the blower. The blower includes a rotational shaft and a suction opening. The cooling heat exchanger includes a facing portion that overlaps with the suction opening in the axial direction and a non-facing portion that does not overlap with the suction opening in the axial direction. The air-conditioning case includes a projected region that is virtually formed by projecting the facing portion toward an upstream side of the air-conditioning case along the axial direction. The air-conditioning case defines introducing openings at positions outside of the projected region. At least a first one of the introducing openings is located on a side of the projected region opposite to at least a second one of the introducing openings.

A vehicle air conditioner, wherein an air conditioner of an integrated heat pump system enables the improvement of cold air and warm air mixing characteristics so as to decrease left-right temperature differences, enables the implementation of independent left-right air conditioning, and enables the sufficient securement of an interior space of the vehicle.