| 摘要 |
PURPOSE:To prevent an air quantity at time of an air-cooled driving start from being dropped, by opening an air passage of an auxiliary supply opening with a damper at a time when maximum air capacity is required, and blowing off the blast air directly to the inside of a car boom in bypassing an air cleaner. CONSTITUTION:At the time of a vent mode, each of supply openings 21 and 23 is opened but each of other supply openings 19 and 24 is closed the other way. And, air out of both inside and outside air suction openings of a blower unit 6 is fed to a cooler core 10, thus this air is dehumidified and cooled. If so, cooling air is distributed to a heater core 12, a cooling air passage 15, an air cleaner 30 and an auxiliary supply opening 35 by each of dampers 14, 31 and 32. For example, when an operating knob is operated to be set to a maximum air-cooling position, any of dampers 14, 17, 31 and 32 comes to a full line position, whereby the cooling air is blown into the inside of the car room by way of a route A leading to these supply openings 21 and 23 through the cooling air passage 15 and another route B leading to the auxiliary supply opening 35 after bypassing the air cleaner 30 at the upstream side of the air cleaner 30. |
