| 摘要 |
A centrifugal compressor includes an impeller configured to discharge a fluid that flows into one side in an axial direction from an outlet that is directed outward in a radial direction, and a casing installed to surround the impeller and having an outlet flow channel configured to increase a pressure of the fluid as the fluid flows downstream while the fluid discharged from the outlet of the impeller flows therethrough, wherein a circulation flow channel having a first opening section connected to the outlet flow channel and a second opening section connected to an upstream side of the first opening section in the outlet flow channel. |
