| 摘要 |
PROBLEM TO BE SOLVED: To provide an air conditioner capable of simplifying a refrigerant flow channel and a throttle, improving productivity, and significantly reducing costs. SOLUTION: In this air conditioner, heat transfer tubes of an indoor heat exchanger are formed as one flow channel by being arranged in series over the whole length, at least two or more kinds of heat transfer tubes are used so that the heat transfer tube at a refrigerant inlet side has an inner diameter B, and the heat transfer tube at a downstream side has an inner diameter C, and the relationship among the inner diameters of the heat transfer tubes satisfies A≥C>B, when a heat transfer tube of an outdoor heat exchanger has an inner diameter A. COPYRIGHT: (C)2008,JPO&INPIT
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