A heating, ventilation, and air conditioning (HVAC) airflow distribution module including a passenger side face outlet and a passenger center face outlet both defined by the module. A passenger face door sub assembly within the module includes a passenger side face door (outer portion) at the passenger side face outlet and movable to control airflow through the passenger side face outlet. A passenger center face door (inner portion) is at the passenger center face outlet and is movable to control airflow through the passenger center face outlet. The passenger side face door and the passenger center face door are movable independent of one another to independently control airflow through the passenger side face outlet and the passenger center face outlet.

Methods and apparatus are provided for controlling an air quality within a passenger cabin. The method includes outputting one or more control signals, by a processor, to activate a motor to generate an airflow stream for observation by a fine particulate matter sensor, the fine particulate matter sensor generating sensor signals based on the observation; determining a concentration level of fine particulate matter in the airflow based on the sensor signals; and outputting one or more control signals to an air quality system associated with the passenger cabin to generate an airflow into the passenger cabin based on the determined concentration level, the airflow into the passenger cabin flowing through a fine particulate matter filter.

A motor vehicle ventilation system configured to ventilate a cabin of the vehicle. The ventilation system comprises a duct extending about a perimeter of the vehicle cabin, at least one air flow inducer configured to induce a flow of air through the duct, the duct comprising an air inlet to receive a bulk flow of air from the flow inducer, and a first opening that extends about the perimeter of the vehicle cabin and that receives air from the duct. The first opening is configured to expel air into the vehicle cabin. The ventilation system further comprises a second opening that extends about the perimeter of the vehicle cabin and that draws air in from the vehicle cabin into a passage extending about the perimeter of the vehicle cabin, wherein a flow through the first opening entrains a flow from the second opening.

A heating, ventilation, and air conditioning (HVAC) airflow distribution module is integrated with a driver-focus mode operation mechanism for a vehicle. The module utilizes: a driver face door to control airflow through driver face outlets; a passenger face door sub assembly to control airflow through a passenger center face outlet and a passenger side face outlet independently; a foot door sub assembly including a passenger front foot door and a main foot door to control airflow through a passenger front foot outlet independently from driver front and rear foot outlets and a passenger rear foot outlet; and a separator to separate airflow through passenger front and rear foot outlets. The present disclosure enables an HVAC airflow distribution module to focus airflow on the driver's seat and maintain the vehicle recirculation at a comfortable level when no passenger is present.

An integrated display and ventilation assembly includes a display screen and a first air register. The first air register is displaceable between a first stowed position concealed behind the display screen and a first deployed position projecting from behind the display screen. A related method of ventilating a passenger compartment of a motor vehicle is also disclosed.

An air conditioning device for a vehicle includes a foot duct main body portion and a protruding portion. The foot duct main body portion extends in the vehicle width direction inside an instrument panel, and is formed in a substantially tubular shape, one length direction end portion of which is connected to an air conditioning device main body. Blowing apertures that open toward the vehicle lower side of a vehicle cabin interior are formed at each of another length direction end portion and a length direction intermediate portion of the foot duct main body portion. The protruding portion provided at a region of a vehicle upper sidewall portion of the foot duct main body portion corresponds with the blowing aperture formed at the length direction intermediate portion. The protruding portion protrudes toward an opening of this blowing aperture formed at the length direction intermediate portion.

An airflow turning device with airflow control channels for an outlet of a heating, ventilation, and air conditioning (HVAC) case that directs airflow to a plurality of different vehicle outlets. The airflow control channels extend from an inner upstream side of the outlet to an outer downstream side of the outlet. Different ones of the plurality of channels have different lengths to generate a varied pressure drop at the outer downstream side in response to airflow blown into the plurality of channels from the inner upstream side.

An air duct assembly for a vehicle air distribution system includes a first duct defining a first passage and a second duct defining a second passage separate from the first passage. The first and second passages are fluidly connected to a common outlet for flowing air to a windshield of the vehicle. The assembly further includes a third duct defining a third passage for flowing air to a side glass of the vehicle. The second and third passages are fluidly connected to a common inlet for receiving air from the blower motor. The third passage is fluidly connected to a lateral outlet that is separate from the common outlet, with the lateral outlet flowing air to a side glass of the vehicle. The assembly further includes at least one acoustic baffle disposed within the second passage and configured to reduce a transmission of the blower noise through the second passage.

A cab of an agricultural vehicle has having a seat for an operator and a console unit arranged forward of the seat for housing an instrument display. The cab is fitted with an HVAC system comprising a heat exchanger unit located within the console unit and a blower located on the floor of the cab beneath or adjacent the seat and serving to blow air by way of a floor-level duct to the heat exchanger unit.

An air deflector bar extends parallel to an upper edge of a front windscreen of a motor vehicle. The air deflector bar includes an air deflection channel that extends along its length. The air deflection channel is concavely delimited in cross section by means of a first side that butts against the front windscreen and a second side that is connected to the first side and is at a distance from the first side. The inner surface of the second side of the air deflector bar is oriented toward an edge of a dashboard of the motor vehicle, which edge delimits the dashboard toward a passenger interior.