| 发明名称 |
Rub resistant compressor stage |
| 摘要 |
A compressor casing (34) is configured to surround blade tips (24) in a compressor stage. The casing includes stall grooves (36) with adjoining lands (38) defining respective local gaps with the blade tips. At least one of the lands (38a) is offset to locally increase (B) a corresponding one of the gaps larger than the nominal gap (A) for the casing to reduce tip rubbing thereat. <IMAGE> |
| 申请公布号 |
EP1101947(B1) |
申请公布日期 |
2006.07.19 |
| 申请号 |
EP20000307007 |
申请日期 |
2000.08.16 |
| 申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
MIELKE, MARK JOSEPH;CARROLL, MICHAEL DAVID;MARUSKO, MARK WILLARD;RHODA, JAMES EDWIN;BULMAN, DAVID EDWARD |
| 分类号 |
F04D19/02;F04D29/16;F01D5/20;F01D11/08;F01D11/12;F04D29/52;F04D29/54 |
主分类号 |
F04D19/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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