发明名称 |
DIFFUSER FOR CENTRIFUGAL COMPRESSOR AND METHOD OF PRODUCING THE SAME |
摘要 |
<p>At least the throat of the suction surface of a conventionally-used diffuser blade having a two-dimensional shape is cut into a concave shape with a ball end mill. In the throat, the nearer to the bottom of the concave shape, the higher the gas pressure becomes, and therefore the gas flows from the concave bottom toward the hub end and the shroud end thereby to reduce the thickness of the boundary layer formed on the hub end and the shroud end. <IMAGE></p> |
申请公布号 |
EP1568891(A1) |
申请公布日期 |
2005.08.31 |
申请号 |
EP20030777260 |
申请日期 |
2003.12.04 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
HIGASHIMORI, HIROTAKA;KUMA, HIROSHI |
分类号 |
F04D29/44;(IPC1-7):F04D29/44 |
主分类号 |
F04D29/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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