| 摘要 |
PROBLEM TO BE SOLVED: To provide a centrifugal compressor capable of improving efficiency of a diffuser and enlarging an operational range. SOLUTION: In a centrifugal compressor provided with a diffuser 4 composed of a shroud side wall surface 41, a hub side wall surface 42 and a plurality of blades 43 constructed therebetween, inlet angles of the blades 43 are different between a shroud side and a hub side, and the inlet angleα<SB>is</SB>of the shroud side is smaller than the inlet angleα<SB>ih</SB>of the hub side by 5-25°. COPYRIGHT: (C)2004,JPO
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