A cabin condenser for a heating, ventilation, and air conditioning (HVAC) system for a battery electric vehicle (BEV). The cabin condenser includes a first cabin condenser portion and a second cabin condenser portion. A regulator is configured to control flow of refrigerant from the first cabin condenser portion to the second cabin condenser portion.

An HVAC system for a vehicle includes a housing, an evaporator disposed in the housing, and a heater disposed in the housing. The HVAC system further includes a bypass opening defined between an upper end of the evaporator and an upper end of the heater and an intermediate chamber defined by the evaporator, the heater, the housing, and the bypass opening. The HVAC system further includes an upper outlet passage configured to direct air from the HVAC system into a passenger compartment of a vehicle. The evaporator is configured to output a first stream of air into the intermediate chamber and the HVAC system is configured to operate in a first operating condition in which a first portion of the first stream of air will pass through the heater and a second portion of the first stream will bypass the heater by passing from the intermediate chamber through the bypass opening and into the upper outlet passage.

An air-conditioning unit for a vehicle includes an air conditioning case, a blower, and a rectifying mechanism. The blower has a blower fan rotating around a fan axis and arranged in an in-case passage of the air conditioning case, and blows out air drawn from one side in an axial direction of the fan axis by rotation of the blower fan. The rectifying mechanism is arranged downstream of the blower fan in the in-case passage, and the air passes through the rectifying mechanism. The blower fan is arranged so that the other side of the fan axis that is opposite to the one side extends toward a downstream side of the in-case passage. The rectifying mechanism suppresses a swirling flow generated by the rotation of the blower fan in the air blown out from the blower fan as compared with the blown-out air prior to flowing into the rectifying mechanism.

An air conditioning unit for a vehicle includes a first channel and a second channel, a blowing unit including a first blower fan and a second blower fan that rotate together by sharing a rotary shaft and a driving unit, a bypass channel, and a control door disposed among the outlets of the first channel and the second channel, the heating core, and the bypass channel to control air discharged from the first channel or the second channel to pass through the heating core or not to pass through the heating core through the bypass channel.

A heating, ventilation and air conditioning (HVAC) system of a vehicle includes: an indoor air conditioning circuit which produces to supply cooling air to a vehicle interior by heat-exchanging inflow air through an indoor air inlet or an outdoor air inlet with an evaporator, and which produces to supply warm air to the vehicle interior or to discharge to the outside of the vehicle interior by heat-exchanging inflow air with a heat exchanger. The heat exchanger is connected with an engine cooling circuit so that engine coolant is used as a heat source of the heat exchanger, thereby improving the cooling performance of the ERG cooler.

A vehicle air conditioner includes: a condenser that internally circulates a high-temperature and high-pressure refrigerant which is discharged from a compressor and that heats air passing around the condenser; an evaporator that internally circulates a low-temperature and low-pressure refrigerant and that absorbs heat from the air passing around the evaporator; and a switching portion that switches flows of air in response to a heating time, a cooling time, and a dehumidifying-heating time of a vehicle. Also, the switching portion causes the air passing around the condenser to flow into a vehicle compartment during the heating time of the vehicle, causes the air passing around the evaporator to flow into the vehicle compartment during the cooling time of the vehicle and causes the air sequentially passing through the evaporator and the condenser to flow into the vehicle compartment during the dehumidifying-heating time of the vehicle.

A blower unit for a heating, ventilation, and air conditioner system (HVAC) of a vehicle. The blower unit includes an inside/outside air switching box. A switching door disposed in the inside/outside air switching box that is configured to selectively open and close an inside air introduction port and an outside air introduction port of the inside/outside air switching box. A fan is also located inside the inside/outside air switching box and blows air introduced into the inside/outside air switching box from the inside air introduction port and the outside air introduction port into the passenger compartment. A first plurality of ribs is provided on an inner surface of the switching door with a first perforated panel coupled to each of the first plurality of ribs. The first plurality of ribs and the first perforated panel reduce noise generated during an inside air introduction mode.

An auxiliary heat exchanger separated from a main heat exchanger is disposed at the position facing a heat exhausting passage. The auxiliary heat exchanger switches among an inside air heat exchanging state in which a condenser performs heat exchange with the air inside the vehicle interior, an outside air heat exchanging state in which the condenser performs heat exchange with the air outside the vehicle interior, and a ventilation heat exchanging state in which the condenser performs heat exchange with the ventilation air. The auxiliary heat exchanger switches among an inside air heat exchanging state in which the evaporator performs heat exchange with the air inside the vehicle interior, an outside air heat exchanging state in which the evaporator performs heat exchange with the air outside the vehicle interior, and a ventilation heat exchanging state in which the evaporator performs heat exchange with the ventilation air.

A first case member of a blower unit has a first communication passage communicating with an air intake side of a blower. A second case member of a temperature adjustment unit has a second communication passage communicating with a condensed water discharge portion through which condensed water is discharged. The respective case members are joined with each other in a state where a portion forming the first communication passage and a portion forming the second communication passage face each other. The portion of the first communication passage includes a drain portion having a groove shape and configured to discharge water in the first communicating passage. The portion of the second communication passage includes a drain receiving portion having a groove shape, communicating with the first communication passage and receiving the water discharged from the drain portion.

The present invention relates to an air conditioner for a vehicle, and more particularly, to an air conditioner for a vehicle in which heating performance may be improved using an auxiliary heating heat exchanger and stability of a passenger may be improved by providing the auxiliary heating heat exchanger in an engine room.