| 发明名称 |
SEAL ASSEMBLIES FOR USE WITH FLUID VALVES |
| 摘要 |
Seal assemblies for use with fluid valves are described. An apparatus includes a cage, a plug having a seal gland and a seal assembly to be at least partially positioned in the seal gland. The seal assembly includes a back-up ring having a wedge-shaped protrusion and a seal defining a wedge-shaped groove to receive the protrusion. A pressure is to act on the back-up ring to urge the protrusion into the groove. An engagement between the protrusion and the groove is to urge the seal into sealing engagement with an inner surface of the cage. |
| 申请公布号 |
US2014366959(A1) |
申请公布日期 |
2014.12.18 |
| 申请号 |
US201313920730 |
申请日期 |
2013.06.18 |
| 申请人 |
Fisher Controls International LLC |
发明人 |
Mann, III J. Adin;Anderson Shawn William |
| 分类号 |
F16K41/00 |
主分类号 |
F16K41/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An apparatus, comprising:
a cage; a plug comprising a seal gland; and a seal assembly to be at least partially positioned in the seal gland, the seal assembly, comprising;
a back-up ring comprising a tapered protrusion;a seal defining a groove to receive the protrusion, wherein a pressure is to act on the back-up ring to urge the protrusion into the groove, an engagement between the protrusion and the groove is to urge the seal into sealing engagement with an inner surface of the cage. |
| 地址 |
Marshalltown IA US |
