| 摘要 |
A Centrifugal compressor impeller (4) comprising a plurality of blades (6) extending from an hub (7), each blade having a first wall (6A) defining a pressure side of the blade, and a second wall (6B) defining a suction side of the blade, and a free end defining a tip (6C) of the blade, the tip (6C) presenting a raised rim (8) aligned to the first wall (6A), the second wall (6B) of the blade being at least partially aligned with a surface (6D) of the tip (6C) free from said raised rim (8). |
