| 摘要 |
PROBLEM TO BE SOLVED: To eliminate machining for a compressor, to reduce a production cost, to dispense with high precision work for an accumulator, and to enhance productivity. SOLUTION: This air-conditioner provided with a plurality of the compressors a-d connected in parallel each other and having suction pipes 82a-82d, and an oil separator 11 for separating gaseous refrigerant from a refrigerator oil and used in common for the compressors a-d, so as to introduce the delivered refrigerant delivered from the compressors a-d to the common oil separator 11 is provided with oil returning means 51, 51a-51d for oil-returning the refrigerator oil separated by the oil separator 11 to the respective suction pipes 82a-82d of the compressors a-d, and contraction mechanisms 53a-53a for regulating a turn-back amount of the refrigerator oil to an amount required for each of the compressors, in a midway of the oil returning means. COPYRIGHT: (C)2003,JPO
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