| 发明名称 |
Piston Seal and Pump Including Same |
| 摘要 |
A seal for a piston of a positive displacement pump includes an annular seal element, a radially outer surface of the annular seal element defining a longitudinal axis, and an annular energizer disposed between the annular seal element and the longitudinal axis along a radial direction. The annular energizer has a resilience along the radial direction to bias the annular seal element away from the longitudinal axis along the radial direction, the radial direction being perpendicular to the longitudinal axis. The radially outer surface of the annular seal element defines at least one circumferential groove about the annular seal element, and a concavity of the at least one circumferential groove faces away from the longitudinal axis along the radial direction |
| 申请公布号 |
US2016131132(A1) |
申请公布日期 |
2016.05.12 |
| 申请号 |
US201414538269 |
申请日期 |
2014.11.11 |
| 申请人 |
Caterpillar Inc. |
发明人 |
Stockner Alan R.;Coldren Dana R. |
| 分类号 |
F04B53/14;F16J9/26;F16J9/20;F16J9/06 |
主分类号 |
F04B53/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A seal for a piston of a positive displacement pump, the seal comprising:
an annular seal element, a radially outer surface of the annular seal element defining a longitudinal axis; and an annular energizer disposed between the annular seal element and the longitudinal axis along a radial direction, the annular energizer having a resilience along the radial direction to bias the annular seal element away from the longitudinal axis along the radial direction, the radial direction being perpendicular to the longitudinal axis, the radially outer surface of the annular seal element defining at least one circumferential groove about the annular seal element, a concavity of the at least one circumferential groove facing away from the longitudinal axis along the radial direction. |
| 地址 |
Peoria IL US |
