A rear vehicle HVAC system includes an evaporator, a blower disposed above the evaporator, and a duct passing next to the blower, the duct connecting the evaporator and an outlet opening. The duct is approximately vertical, and a width of the system proximate a lower end of the duct is narrower than a width of the system proximate the blower.

A heating, ventilation, and air conditioning (HVAC) system for a vehicle. The HVAC system includes an HVAC case. The HVAC case has a first inlet and a second inlet. The first inlet is in receipt of airflow from a front blower. The second inlet is in receipt of airflow from a rear blower. A front foot outlet directs airflow towards the feet of occupants at a front of the vehicle. A rear foot outlet directs airflow from the rear blower towards a rear of the vehicle. A rear-to-front airflow control door is movable to direct airflow generated by the rear blower and heated by a heater core through the rear foot outlet, through the front foot outlet, or simultaneously through both the rear foot outlet and the front foot outlet.

A roof-type air conditioner for vehicles may include an evaporator to discharge cold air to the internal of a vehicle, and a conveying unit to move the evaporator in a longitudinal direction of the vehicle on a ceiling of the vehicle such that the evaporator is disposed to the ceiling of the internal of the vehicle and positioned to a region required for cooling.

The present invention relates to a vehicle air-conditioning system and, more particularly, to a vehicle air-conditioning system in which an air-conditioning module consisting of an air-conditioning case and a blowing apparatus is disposed at a side of an engine room with respect to a dash panel, and a distribution duct for distributing cold and hot air discharged from the air-conditioning case into the inside of a vehicle is disposed on the indoor side of the vehicle with respect to the dash panel. The vehicle air-conditioning system may prevent a reverse flow of outdoor air into a cold air discharge port and a hot air discharge port due to the wind pressure when driving by forming a shielding means at the sides of the cold air discharge port and the hot air discharge port, which discharge the cold and hot air of the air-conditioning case to the outside, thereby improving the cooling and heating performance by smoothly discharging heat through the cold air discharge port and the hot air discharge port.

A heating, ventilation, and air conditioning (HVAC) case, which defines a defrost outlet and a demist outlet. A single airflow control door is movable to control airflow through each one of the defrost outlet and the demist outlet.

A blower unit of an air conditioner for a vehicle which allows one actuator to drive two doors in a structure in which at least two doors are provided in an intake duct is disclosed. The blower unit of an air conditioner for a vehicle includes an intake duct including an internal air inlet through which internal air is introduced and an external air inlet through which external air is introduced, a first door configured to adjust an opening amount of a part of the external air inlet and an opening amount of the internal air inlet, and a second door configured to adjust an opening amount of the remaining part of the external air inlet, wherein the first door and the second door are linked and driven together.

A heating, ventilation, and air conditioning (HVAC) apparatus for an automotive vehicle may include an internal volume divided into upper and lower regions, and configured for blowing the air to a defrost vent and a front seat face vent is made through the upper region, and blowing the air to a front seat foot vent and a rear seat vent is made through the lower region.

A thermal management system for an electric vehicle having a drivetrain flow path coupling one or more motors and one or more inverters to an aerodynamic heat exchanger comprising one or more body panels disposed along an outer surface of the vehicle, the aerodynamic heat exchanger having one or more fluidic chambers or micro-channels. The drive flow path is decoupled from the vehicle's chiller and/or refrigeration cycle under all operating conditions. The drivetrain may be further characterized by the one or more motors being disposed proximate one or more wheels of the vehicle, such as within the wheel skirt or cowling, to capitalize on passive or free cooling via ambient airflow about the wheel. The thermal management system may further include a refrigeration cycle wherein the cabin and the battery pack are provided cooling in a parallel configuration or in a serial configuration.

An inner guide plate has an inner guide plate surface that guides air. An outer guide plate has an outer guide plate surface that guides the air toward a discharge port of the fan. In each of predetermined cross sections perpendicular to a rotation axis of the fan, a reference line is a line connecting the rotation axis and an outer guide end of the outer guide surface that is a radially inner end. In each of the predetermined cross sections, a guide line is a line connecting the rotation axis and an inner guide end of the inner guide surface that is a radially outer end. In each of the predetermined cross sections, a phase difference angle is an angle between the guide line and the reference line in a rotation direction of the fan. The phase difference angles of the predetermined cross sections are different from each other.

An air conditioner for a vehicle includes: an air conditioning case, a fan, a motor, a cooling passage, a first rib and a second rib. The air conditioning case has an air passage through which air flows. The cooling passage supplies air to the motor from an opening provided in the air passage. The first rib is provided on an inner wall of the air passage upstream of the opening in a flow direction of air. The second rib is provided on the inner wall of the air passage upstream of the first rib in the flow direction of air. A stagnation space is defined between the first rib and the second rib where the air flowing through the air passage stagnates.