| 摘要 |
PURPOSE: An apparatus for distributing uniformly oil of a compressor of refrigerating cycle is provided to stably supply a plurality of compressors with oil, respectively. CONSTITUTION: An apparatus comprises an oil uniformly distributing pipe(72) installed between a constant-speed compressor(52a) and an inverter compressor(52b); a first oil separator(54a) separating oil from refrigerant discharged from the constant-speed compressor; a second oil separator(54b) separating oil from refrigerant discharged from the inverter compressor; and an oil return device comprising a first oil return pipe(56a) connecting the first oil separator with a suction side of the inverter compressor, and a second oil return pipe(56b) connecting the second oil separator with a suction side of the constant-speed compressor to introduce oil separated by the oil separator installed on a discharge side of the compressor working at higher speed to the suction side of the compressor working at lower speed.
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