Air conditioning system for multi-zone air conditioning of a motor vehicle interior comprising a casing with a mixing chamber and several zone outlets outgoing from mixing chamber, in which an evaporator and at least one heat exchanger are disposed such that main air flow from evaporator through at least one heat exchanger into zone outlets is linear and at least two bypass channels, each comprising a louver, in order to circumvent at least one heat exchanger connect a region downstream of evaporator and a region downstream of at least one heat exchanger, wherein the first bypass channel, as a mixing bypass channel, opens out into mixing chamber and the second bypass channel, as a stratification bypass channel, opens out into a zone outlet.

To provide an air conditioner for a vehicle includes an evaporator, a heater core, an air conditioning passage, an inside air introduction passage, an outside air introduction passage, and a heat pipe. In the air conditioning passage, a ventilation portion of the heater core is disposed downstream from a ventilation portion of the evaporator. Through the heat pipe, heat is transferred from a high temperature portion on the inside air introduction passage side to a low temperature portion on the outside air introduction passage side due to evaporation and condensation of a refrigerant. The heat pipe is provided in the evaporator to straddle a position facing the inside air introduction passage and a position facing the outside air introduction passage.

An air conditioning system for a vehicle may include a cooling duct provided with a cooling duct inlet at a first end of the cooling duct, and a cooling duct indoor outlet and a cooling duct outdoor outlet at a second end of the cooling duct, a heating duct provided with a heating duct inlet at a first end of the heating duct, and a heating duct indoor outlet and a heating duct outdoor outlet at a second end of the heating duct, and including a condenser disposed in the heating duct, an extension duct extending from both the cooling duct indoor outlet and the heating duct indoor outlet, and channeling air supplied from both the cooling duct indoor outlet and the heating duct indoor outlet to a passenger compartment, and a passage control door provided at an indoor outlet end portion of a partition wall.

Disclosed herein is a heat pump system for a vehicle which includes an evaporator mounted on a cold air passageway inside an air-conditioning case, a condenser mounted on a warm air passageway, a first blower mounted at an inlet side of the cold air passageway of the air-conditioning case, a second blower mounted at an inlet side of the warm air passageway and an intake duct mounted between the first blower and the second blower to supply indoor air and outdoor air to the first blower and the second blower respectively, thereby maximizing space efficiency because using just one intake duct for the two blowers, and reducing the size and manufacturing costs of the heat pump system.

An air conditioning system for a vehicle is provided. The system includes a cooling duct and a heating duct provided as spaces partitioned by a partition wall and an evaporator core and an inner condenser disposed respectively in the cooling and heating ducts. An outer condenser is connected to the inner condenser and the evaporator core via one refrigerant passage. An air volume regulation door is disposed upstream of the evaporator core and the inner condenser in an air flow direction, and a common blower is disposed at one side of the cooling and heating ducts to simultaneously form an air flow in the cooling and heating ducts.

An air conditioning system for a vehicle is provided. The system includes a cooling module in which a plurality of evaporation cores are disposed and a heating module in which a plurality of condensers are disposed. The plurality of condensers and the plurality of evaporation cores are connected onto a refrigerant channel.

An vehicle air conditioner (1A) includes a duct (3) in which a partition member (4) forming a first flow path (3A) and a second flow path (3B) is provided, and a heat pump circuit (2A). In the heat pump circuit (2A), a first indoor heat exchanger (12A) that contributes mainly to heating is located in the first flow path (3A) or faces an outlet of the first flow path (3A), and a second indoor heat exchanger (12B) that contributes mainly to cooling is located in the second flow path (3B). The ratio between an internal air and an external air within air flowing through each of the first flow path (3A) and the second flow path (3B) is adjustable. The duct (3) is provided with at least one of a heating exhaust port (35) for discharging air cooled in the second indoor heat exchanger (12B) to the outside of the vehicle interior in heating operation, and a cooling exhaust port (36) for discharging air heated in the first indoor heat exchanger (12A) to the outside of the vehicle interior in cooling operation. This configuration enables the air within the vehicle interior, the temperature of which has been adjusted by heating or cooling, to be efficiently utilized without wasting energy by discharging the air as it is to the outside.

An air conditioning system for a vehicle may include a cooling module including a cooling duct, a cooling-side inlet formed in a first end of the cooling duct, a cooling-side indoor outlet and a cooling-side outdoor outlet formed in a second end of the cooling duct, and an evaporator core provided in the cooling duct, a heating module including a heating duct, a heating-side inlet formed in a first end of the heating duct, a heating-side indoor outlet and a heating-side outdoor outlet formed in a second end of the heating duct, and a plurality of condensers provided in the heating duct, and a cooling blower and a heating blower respectively provided in the cooling duct and the heating duct, in which the plurality of condensers provided in the heating duct and the evaporator core provided in the cooling duct are coupled on a single refrigerant circuit.

An vehicle air conditioner (1A) includes a duct (3) in which a partition member (4) forming a first flow path (3A) and a second flow path (3B) is provided, and a heat pump circuit (2A). In the heat pump circuit (2A), a first indoor heat exchanger (12A) that contributes mainly to heating is located in the first flow path (3A) or faces an outlet of the first flow path (3A), and a second indoor heat exchanger (12B) that contributes mainly to cooling is located in the second flow path (3B). The ratio between an internal air and an external air within air flowing through each of the first flow path (3A) and the second flow path (3B) is adjustable. The duct (3) is provided with at least one of a heating exhaust port (35) for discharging air cooled in the second indoor heat exchanger (12B) to the outside of the vehicle interior in heating operation, and a cooling exhaust port (36) for discharging air heated in the first indoor heat exchanger (12A) to the outside of the vehicle interior in cooling operation. This configuration enables the air within the vehicle interior, the temperature of which has been adjusted by heating or cooling, to be efficiently utilized without wasting energy by discharging the air as it is to the outside.

A door unit for an air conditioning system includes a stationary inner screen part, an outer casing part rotatable between different operational positions in relation to the inner screen part, and a flap member attached to the outer casing part. The outer casing part includes first and second inlet openings. The door unit directs a first flow of air in a first air flow channel and a second flow of air in a second air flow channel to a third air flow channel or to the third air flow channel and a fourth air flow channel. The flap member blocks the first air flow channel or the second air flow channel, wherein an internal volume of the door unit enclosed by the inner screen part and the outer casing part forms the fourth air flow channel.