| 摘要 |
PROBLEM TO BE SOLVED: To allow oil to surely return to each compressor with a simple constitution in an air conditioner comprising the plurality of compressors. SOLUTION: This air conditioner 1 has first and second compressors 10, 11 in an outdoor unit 2, and an oil separator 14 is mounted to separate and recover the oil included in a gas refrigerant discharged from the compressors 10, 11. An oil return pipe 25 is connected with the oil separator 14, and further connected with the neighborhood of a main suction pipe branch portion 22 of a main suction pipe 21 through a nozzle 30. COPYRIGHT: (C)2006,JPO&NCIPI
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