Air conditioner for vehicle has adjustment apparatus, which adjusts derivation ratio of low-temperature external air, and high-temperature external air to desired ratio

摘要

The apparatus an adjustment apparatus (4) which adjusts the derivation ratio of low-temperature external air and high-temperature external air to a desired ratio. The opening/closing door (40) of the adjustment apparatus is formed inside a heat insulation duct (3). The heat insulation duct has an opening (31) positioned at the lower portion of an external inlet (11) and an opening (32) connected with an external outlet (13).