Disclosed is an air conditioning system for a vehicle which includes a cold air passageway having a heat exchanger for cooling and a warm air passageway having a heat exchanger for heating inside an air-conditioning case to carry out cooling and heating and which controls to inhale indoor air inside the vehicle, pass the air through the heat exchanger for cooling and discharge the air outside the vehicle in a specific mode, thereby preventing frosting of the heat exchanger for cooling because supplying air of high temperature dehumidified inside the interior of the vehicle to the heat exchanger for cooling, and enhancing heating performance by rising refrigerant pressure and temperature in the refrigerant cycle without needing additional components.

A heating, ventilation, and air conditioning (HVAC) unit including an air inlet, a plurality of air outlets, a heater, and a plurality of blowers. The plurality of blowers are downstream of the heater with respect to a direction of airflow through the HVAC unit from the air inlet to the plurality of air outlets. The plurality of blowers are configured to control air distribution through the plurality of air outlets.

A climate control system for a vehicle having a plurality of modes includes an evaporator having a downstream face. The system also includes at least one blower that blows air across the evaporator. The air downstream of the blower has a pressure distribution defined generally along the downstream face. The pressure distribution along the downstream face is variable depending on which of the plurality of modes the climate control system is currently set.

A climate control system for a vehicle having a plurality of modes includes an evaporator having a downstream face. The system also includes at least one blower that blows air across the evaporator. The air downstream of the blower has a pressure distribution defined generally along the downstream face. The pressure distribution along the downstream face is variable depending on which of the plurality of modes the climate control system is currently set.

A filter apparatus for a motor vehicle is provided. The filter apparatus includes a delivery device, which is provided in addition to a ventilation system of the motor vehicle and can be operated independently of the ventilation system for drawing in and delivering air from the interior of the motor vehicle. The filter apparatus includes at least one filter element, through which can flow the air drawn in and delivered by the delivery device for filtering the air. The filter apparatus includes at least one outlet for introducing the air filtered by way of the filter element into the interior. The filter apparatus is designed to wirelessly receive at least one signal emitted by a terminal and to activate the delivery device based on the signal.

A controller of an airflow control system is configured to determine a target position of a door of an airflow control assembly, a first flow rate of a first airflow from a recirculated air blower, and a second flow rate of a second airflow from a fresh air blower based at least in part on a target total airflow rate into an interior of a and a target fresh airflow rate into the interior of the cab. The fresh air blower receives a mixture of fresh air and recirculated air based on a position of the door. The controller is further configured to instruct the airflow control assembly to move the door to the target position, instruct the recirculated air blower to output the first airflow at the first flow rate, and instruct the fresh air blower to output the second airflow at the second flow rate.

A heating, ventilation, and air conditioning (HVAC) system including front and rear blowers. The front blower blows air through a front evaporator to a front area of a passenger cabin. The rear blower blows air through the front evaporator in an integrated HVAC system or through a rear evaporator, and to a rear area of the passenger cabin. The rear blower is always active when the front blower and air conditioning is active.

A heating, ventilation, and air conditioning (HVAC) unit including an air inlet, a plurality of air outlets, a heater, and a plurality of blowers. The plurality of blowers are downstream of the heater with respect to a direction of airflow through the HVAC unit from the air inlet to the plurality of air outlets. The plurality of blowers are configured to control air distribution through the plurality of air outlets.

A blower includes a fan that rotates about an axis center in an air conditioning case, and a casing that guides air blown from the fan. The casing has a peripheral wall that is located radially outward of the fan with the axis center as a center. The peripheral wall has first and second scroll inner wall surfaces that guide different kinds of air blown from the fan to different outlets. No half-lines starting from the axis center passes through both of the first and second scroll inner wall surfaces.

Disclosed is a rear air conditioner for a vehicle, which can improve the comfort of a rear seat in a vehicle by improving the temperature difference between a console vent and a B-pillar side while minimizing the increase in the temperature at the console vent side. The rear air conditioner for the vehicle is connected to a front air conditioner and supplies air conditioning airflow toward the rear seat of the vehicle, and comprises: a case of which one side is connected to the front air conditioner and the other side has a plurality of discharge ports for discharging the air into the interior of the vehicle; and an electric heater which is provided in the case and heats the air passing therethrough, wherein the electric heater is provided with a plurality of operating regions, of which at least one operates in linkage with an air conditioning mode.