| 摘要 |
PROBLEM TO BE SOLVED: To suppress the occurrence of a failure due to the back flow of a working fluid in a compressor including an oil discharge passage (70) for discharging oil from surplus oil spaces (S, 39) of a compression mechanism (50) to a high-pressure space in a casing.SOLUTION: Back flow prevention portions (71a, 72a) preventing a high-pressure working fluid within a casing from flowing back to surplus oil spaces (S, 39) are provided on an oil discharge passage (70). |
