| 发明名称 |
ABRADEABLE SEAL SYSTEM |
| 摘要 |
<p>A gas turbine engine abradeable seal system is provided comprising a seal assembly and a cooperating interacting turbine blade. The turbine blade has a tip portion containing cubic boron nitride abrasive particles and the seal assembly has a superalloy substrate with a bond coat thereon having a surface roughness of at least 300 RA and a porous ceramic abradeable seal material on the bond coat having a porosity of from 5 to 15 volume %.</p> |
| 申请公布号 |
EP1392957(A1) |
申请公布日期 |
2004.03.03 |
| 申请号 |
EP20020723583 |
申请日期 |
2002.03.12 |
| 申请人 |
CHROMALLOY GAS TURBINE CORPORATION |
发明人 |
HOWARD, PETER;SHANKAR, RAVI;FENTON, RICHARD |
| 分类号 |
F01D5/28;F01D11/12;C23C28/00;C23C30/00;F02C7/00;F02C7/28;F16K5/02;(IPC1-7):F01D11/12 |
主分类号 |
F01D5/28 |
| 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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