| 摘要 |
An aircraft air conditioner uses a cooling device to cool air extracted from an engine before feeding it into a cabin. This extracted air is mixed with recirculation air that is returned to the cabin after flowing out from the cabin. The mixture of the recirculation air and the extracted air is fed into an air separating section. This air separating section has a selectively permeable membrane that separates the air flowing through an air flow path of the air conditioner into nitrogen-enriched gas and oxygen-concentrated air. The nitrogen-enriched gas is capable of being fed into a fuel peripheral region of the aircraft, and the oxygen-concentrated air is capable of being fed into the cabin.
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