| 发明名称 |
ABRADABLE SEAL |
| 摘要 |
An abradable seal is provided, comprising an outer ring arrangement and an energiser for urging said outer ring arrangement against an opposing surface, wherein an outermost surface of said outer ring arrangement defines a sealing surface of said abradable seal; wherein said outer ring arrangement is configured such that after a first period of operation said sealing surface suddenly transitions from having a relatively large surface area to having a relatively small surface area, so as to cause a sudden increase in internal leakage across the seal at said transition. |
| 申请公布号 |
US2016341318(A1) |
申请公布日期 |
2016.11.24 |
| 申请号 |
US201615159108 |
申请日期 |
2016.05.19 |
| 申请人 |
Goodrich Actuation Systems SAS |
发明人 |
Hervieux Arnauld;Le Riguer Bastien |
| 分类号 |
F16J15/34 |
主分类号 |
F16J15/34 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An abradable seal comprising an outer ring arrangement and an energiser for urging said outer ring arrangement against an opposing surface, wherein an outermost surface of said outer ring arrangement defines a sealing surface of said abradable seal;
wherein said outer ring arrangement is configured such that after a first period of operation said sealing surface suddenly transitions from having a relatively large surface area to having a relatively small surface area, so as to cause a sudden increase in internal leakage across the seal at said transition. |
| 地址 |
BUC FR |
