| 摘要 |
PURPOSE: An indoor heat exchanger is provided to prevent the resistance of air flow due to compensate water by draining smoothly the compensate water generated on the surface of corrugated fins of an indoor heat exchanger and to improve the performance of the indoor heat exchanger by increasing the amount of air flow. CONSTITUTION: A fan(50) rotates if an indoor heat exchanger is kept in low temperature state. The fan passes air of normal temperature indoor, and the passing air passes the spaces of low temperature corrugated fins(43). The air is cooled while exchanging heat with the air of low temperature and passes through the indoor. Herein, the corrugated fins are in cooled state, and the air is kept in the state of normal temperature. Accordingly, on the one central of one end of the surface of the corrugated fin generated compensate water concentrately while the cool air and the normal temperature air exchange heat. Then, the compensate water flows downward along one face of a drain channel(60) formed on both sides of the central part of the corrugated fins contacting to the inner face of a tube(42) or via a drain channel formed on the inner face of the tube. Thereby, one the surface of the corrugated fin is without residual compensate water.
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