| 摘要 |
PROBLEM TO BE SOLVED: To provide an air conditioner for a vehicle capable of avoiding such an event that effective heat exchange cannot be performed over a long period of time, by preventing dew or frost from accumulating in a heat exchanger.SOLUTION: An air conditioner for a vehicle includes a sensible heat exchanger 11 which comprises a first heat exchange flow passage and a second heat exchange flow passage and exchanges heat between the first heat exchange flow passage and the second heat exchange flow passage, an intake air path 22 allowing the outside air introduced through an outside air inlet to be sent to the inside of a cabin through the first heat exchange flow passage, a bypass air path 23 allowing the outside air introduced through an outside air inlet to be sent to the inside of the cabin without allowing the air to pass through the first heat exchange flow passage, an inside air introduction flow passage 15a allowing the inside air sent out from the inside of the cabin to be sent to the outside of the cabin through the second heat exchange flow passage, and an air passage change-over door 19 which, when frost formation on the sensible heat exchanger 11 is detected, regulates the amount of the outside air introduced through the outside air inlet so that the amount of the air introduced into the bypass air path 23 is higher than an amount of air introduced into the intake air passage 22. |
