| 摘要 |
PURPOSE:To enhance the comfortability, by changing over the blow-off mode in accordance with the temperature of engine cooling water when the difference between the inside air and a set temperature exceeds a set value, and by driving a means for limiting the opening degree of an air-mixing door. CONSTITUTION:A computing means computes the difference between a set temperature TD and the inside air temperature Tr. When this difference TD-Tr exceeds a predetermined value, a setting means 33 turns mode changeover doors 12, 13 to the defrost blow-off port 10 side and the foot blow-off port 11 side, respectively. Further, when TD-Tr exceeds the predetermined value, and an engine cooling water temperature switch is in a low temperature condition, a setting means 34 drives an opening degree limiting means 32 to set the mode changeover doors 12, 13 to the foot blow-off port 11 side. With this arrangement, when the inside air temperature low, hot air is blown off to the foot section irrespective of the temperature of solar radiation, thereby it is possible to enhance the comfortability. |
