| 摘要 |
Air flow from an internal air/external air switching unit 10 passes through a by-pass passage 63 and flows into a heater core 41 . Warm air is blown out from the heater core 41 and flows into a deodorizing filter 60 . In the deodorizing filter 60 , odor components are separated from a charcoal filter by the heat of the warm air, the odor components then flowing in the order of a discharging passage 66-> an external air inlet port 12 of a vent switching unit 50-> an external air intake port, and being discharged out of the vehicle room. Thus, by simply providing the by-pass passage 63 , the discharging passage 66 , and the doors 61, 68 , the same heater unit 41 and blower unit 20 as in prior art can be used to separate odor components from the deodorizing filter.
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