摘要 |
PROBLEM TO BE SOLVED: To prevent deviation in returning quantity of oil sucked by a plurality of compressors caused by the flowing of oil in a liquid film state in a pipe. 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 a part just before a main suction pipe branch portion 22 of a main suction pipe 21 through a two fluid nozzle 30. Further an oil reservoir 40 for temporarily storing the liquid oil is mounted at a four way valve 15 side with respect to the oil return pipe 25. COPYRIGHT: (C)2006,JPO&NCIPI
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