| 摘要 |
A vehicle air conditioner is provided to prevent the leakage of hot air passing through a heater core and the backflow of cold air passing through an evaporator by closing bypass paths through an auxiliary door, thereby improving cooling and heating efficiency. A vehicle air conditioner includes a heater(21) disposed at a lower part of a heater core(30) in the air flow direction, and having an auxiliary door(15e) for closing an upper or lower bypass path of the heater to prevent the air passing through the heater core from leaking via the bypass path and the air passing through an evaporator(40) from flowing to the heater core inversely. |
