| 发明名称 |
Rotor blade with a reduced tip |
| 摘要 |
A rotor blade for a fan, said rotor blade comprising a first blade zone having an airfoil cross-section and a second blade zone having a cross-section of reduced thickness, wherein the average thickness of the second blade zone is less than 50% of the average thickness of the first blade zone.
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| 申请公布号 |
US6761539(B2) |
申请公布日期 |
2004.07.13 |
| 申请号 |
US20020202497 |
申请日期 |
2002.07.24 |
| 申请人 |
VENTILATOREN SIROCCO HOWDEN B.V. |
发明人 |
CIPELLETTI GIORGIO ROBERTO;FEDDE VAN DER SPEK HENDRIK |
| 分类号 |
F04D29/16;F04D29/38;F04D29/66;(IPC1-7):F04D29/38 |
主分类号 |
F04D29/16 |
| 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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