In a vehicle air conditioner device of a heat pump system, control of an air mix damper is appropriately performed in each operation mode, thereby achieving efficient vehicle interior air conditioning. The vehicle air conditioner device includes an air mix damper 28 to adjust a ratio at which air in an air flow passage 3 passed through a heat absorber 9 is to be passed through a radiator 4. In a cooling mode, a controller controls the air mix damper 28 to adjust the ratio at which the air is to be passed through the radiator 4 on the basis of one, any combination, or all of a target outlet temperature, a temperature of the radiator and a temperature of the heat absorber, and in a heating mode, the controller controls the air mix damper 28 to pass all the air in the air flow passage 3 through the radiator 4.

The present invention provides a blower device and a vehicular air-conditioning device including a chamber taking therein a part of the air through a flow path portion so as to cool a motor, whereby water drop is prevented from reaching the motor with higher reliability. This air blower includes: a casing (11) including an air intake port (23), an air discharge port, and a discharge flow path portion (31) communicating between the air intake port (23) and the air discharge port; a scroll fan (22) provided in the casing (11) so as to take in the air from the air intake port (23) and generate an air flow to the air discharge port through the discharge flow path portion (31); a motor (21) rotationally driving the scroll fan (22); and a motor cooling unit (50) cooling the motor (21). The motor cooling unit (50) includes a chamber (51) taking therein a part of the air from the discharge flow path portion (31) and a cooling duct (52) having an opening portion (57a) which opens into the chamber (51) at one end and supplying, to the motor (21), the air in the chamber (51) taken in through the opening portion (57a). The ceiling portion (55A) of the chamber (51) has an inclined surface (59) which is inclined downward from above.

A heating and air conditioning device includes a warm air path that leads through a heat exchanger to a mixing chamber and to outlets of the heating and air conditioning device, and a cold air path that leads from the evaporator to the mixing chamber and the outlets of the heating and air conditioning device. A warm air duct is located at an end of the warm air path and an entrance to the mixing chamber. A cold air duct is located at the end of the cold air path and the entrance to the mixing chamber. One or more openings are formed on one of a side wall of the warm air duct and a side wall of the cold air duct so that air can flow from the cold air path into the warm air duct and from the warm air path into the cold air duct.

A method controls the discharge of temperature-conditioned air from a plurality of zone outlets of an automotive HVAC system via an open architecture multi-zone HVAC unit having a single blower fan, an evaporator downstream of the blower and a heater downstream of the evaporator, wherein each zone in the module includes a temperature mix door for proportioning hot and cold air, which is controlled by a separate Discharge Temperature Maintenance control (DTM control), and an output valve for controlling a zonal output flow rate. The output valve of each zone outlet is placed in an output valve position associated with a target resistance; and the single blower fan is operated at a minimum voltage required for generating a total requested blower output flowrate.

The invention relates to an air conditioning system, in particular for use in a motor vehicle, having a first flow channel for a first airflow which may be influenced thermally, having a second flow channel for a second airflow which may be influenced thermally, wherein the first flow channel extends relative to the second flow channel at a predeterminable angle, and having an air guidance element, wherein the air guidance element is arranged on or adjacent to at least one internal wall of the first flow channel or the second flow channel, wherein the air guidance element in section has a substantially convex shape in the direction of the first or second flow channel and protrudes into the first or second flow channel, wherein the air guidance element has at least one finger which protrudes at a predeterminable angle into the first flow channel or the second flow channel.

The present invention relates to an air conditioning system for a vehicle in which an air-conditioning module having an air-conditioning case and a blower unit is disposed at a side of an engine room relative to a dash panel, and a distribution duct having a defrost vent, a face vent, and a floor vent is disposed in the interior of a vehicle relative to the dash panel so as to distribute cold air and hot air discharged from the air-conditioning case into the interior of the vehicle, wherein the floor vent is placed on one side of an area, in which a relatively large amount of hot air flows, in a mixing chamber of the distribution duct where cold air and hot air are mixed, i.e. a side adjacent to the dash panel.

An air conditioning apparatus 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 cooling duct, and including an evaporation core disposed in 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, and an overlapping duct provided by overlapping the cooling duct with the heating duct, the evaporation core and the condenser being disposed respectively at an upstream and a downstream of an air flow, and the evaporation core and the condenser may be connected with each other on one refrigerant passage.

To provide a blower that reduces noise by making the transfer of rotational vibrations from a motor case toward a blower case difficult even when a brushless motor is used as a driving source. An elastic resin body extending annularly is integrally molded in a section radially inward of an engagement portion (concave portion) engaged with the blower case and radially outward of a motor board installation area in a flange portion made of hard resin.

An air control apparatus for an air conditioning system may include a housing defining at least one duct and at least one flap. The at least one flap may comprise a shaft having at least one projecting wing. At least one longitudinal end of the shaft may be rotatably mounted about an axis of rotation on a wall of the housing via a bearing opening. The bearing opening may include an offset region and a bearing region. The offset region may have a larger inner diameter than the bearing region. A sealing contour may be disposed on the at least one wing and a counter-sealing contour may be disposed on the associated wall.

A climate control system having a housing with an air inlet, a cooling element for providing cooled air, a heating element located downstream of the cooling element, a cold air duct for directing cooled air located downstream, a bypass duct for directing cooled air located downstream of the cooling element, a hot air duct for directing heated air, a first mixing chamber for mixing cooled air from the cold air duct and heated air from the hot air duct into blended air, a second mixing chamber located downstream of the bypass duct and downstream of the first mixing chamber for mixing cooled air from the bypass duct and blended air from the first mixing chamber, an air outlet located downstream of the second mixing chamber for delivering air to a passenger compartment, and an air deflector device is located downstream of the bypass duct.