| 发明名称 |
Mechanical seal with back-up seal for gas-turbine engines. |
| 摘要 |
<p>For a twin spool gas turbine engine that utilizes a carbon seal (16). A bellows (34) is supported to bias the carbon seal (16) against its seal plate (10) and a back-up seal consisting of a piston ring (52) is located in the balance diameter of the carbon seal (16) to maintain its loading in the event the bellows (34) fails.</p> |
| 申请公布号 |
EP0112269(A2) |
申请公布日期 |
1984.06.27 |
| 申请号 |
EP19830630186 |
申请日期 |
1983.11.11 |
| 申请人 |
UNITED TECHNOLOGIES CORPORATION |
发明人 |
SWANSON, JOHN E. |
| 分类号 |
F16C33/72;F02C7/06;F02C7/28;F16J15/00;F16J15/36;(IPC1-7):16J15/36 |
主分类号 |
F16C33/72 |
| 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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