| 摘要 |
PROBLEM TO BE SOLVED: To improve the linearity of the temperature change inside a cabin for the change of the degree of opening of an air mix door in an air mix type vehicular air conditioner. SOLUTION: First and second ribs 11c, 11d are provided that are formed in such a way that, as the first air mix door 21 structured with a butterfly door is displaced from the position of totally closing a cool air bypass passage 17 to a direction of opening the cold air bypass passage 17, the distance from ends 21c at both sides of the first air mix door 21 becomes wider at predetermined rate. Thereby, when the air mix door 21 slightly opens the cool air bypass passage 17 from the totally closed position, unnecessary expansion of ventilation area at the side of the cool air bypass passage 17 can be prevented and the flow of a large amount of cool air into a mix chamber 20 can be avoided, so that the linearity of the temperature change inside a cabin for the change of the degree of opening of the air mix door can be improved. COPYRIGHT: (C)2009,JPO&INPIT
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