| 摘要 |
PROBLEM TO BE SOLVED: To provide a low-cost and small sized automobile air conditioner capable of properly controlling the temperature difference between upper and lower blow-off air, and ensuring high quantity of air. SOLUTION: In addition to an upper cold air passage formed above a passage for a hot air passing through a heater core 4, a side-cold air passage Bs is formed on at least one side of the hot air passage by means of a duct 11. The distribution ratio of the air quantity in the hot air passage and the cold air passage is changed by slidably moving one mix door 5 consisting of a door center part 5a for adjusting the openings of the hot air passage and the upper cold air passage, and door side parts 5b for adjusting the openings of the side- cold air passages Bs.
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