发明名称 |
COMPRESSOR CASING CONFIGURATION |
摘要 |
<p>A compressor (10) for a gas turbine engine, comprising a casing (26) having an inner surface defining a plurality of circumferentially spaced-apart grooves (36) adjacent the tips of a row of rotor blades (16). Each groove (36) has a depth which is less than half the width thereof in order to increase surge margin at off design points without affecting the performance of the compressor (10) under normal operating conditions.</p> |
申请公布号 |
EP1131561(B1) |
申请公布日期 |
2003.06.25 |
申请号 |
EP19990972292 |
申请日期 |
1999.11.12 |
申请人 |
PRATT & WHITNEY CANADA, INC. |
发明人 |
LEBLANC, ANDRE;OUELLET, GILBERT |
分类号 |
F04D29/44;F04D27/02;F04D29/42;(IPC1-7):F04D29/42 |
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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