| 摘要 |
PROBLEM TO BE SOLVED: To provide an impeller with high efficiency and wide operation range.SOLUTION: An impeller (11) is provided in a centrifugal compressor (1) and includes a disc part (11a) and a blade part (11b). A predetermined section (A1) in an exit side and a tip side of the blade part (11b) is served as a blade thickness limit section (WBk) formed thinner than another section (A2). |
