| 发明名称 |
ANNULAR SEAL APPARATUS AND METHOD |
| 摘要 |
A non-contacting shaft seal apparatus according to which an alternating array of axially-spaced, porous and non-porous annular segments extend radially-inward from the inside surface of an annular seal body and to a radial clearance defined between the segments and a rotating shaft.
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| 申请公布号 |
US2013140774(A1) |
申请公布日期 |
2013.06.06 |
| 申请号 |
US201113521179 |
申请日期 |
2011.01.12 |
| 申请人 |
CHOCHUA GOCHA;MAIER WILLIAM C.;DRESSER-RAND COMPANY |
发明人 |
CHOCHUA GOCHA;MAIER WILLIAM C. |
| 分类号 |
F16J15/453 |
主分类号 |
F16J15/453 |
| 代理机构 |
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代理人 |
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