| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a multi-stage compression type refrigeration cycle apparatus, in which an outflow of oil from a compressor is suppressed. <P>SOLUTION: A control device 50 in the multi-stage compression type refrigeration cycle apparatus 100 starts operation of a lower-stage side compressor 1 and a high-stage side compressor 2 at low rotation speed relative to maximum rotation speed for exerting maximum performance in starting the multi-stage compression type refrigeration cycle apparatus 100, and increases the rotation speed thereof incrementally. <P>COPYRIGHT: (C)2013,JPO&INPIT |
