基本信息:
- 专利标题： VALVE STEM SEAL ASSEMBLY WITH A SYMMETRICAL RETAINER
- 申请号：US15411168 申请日：2017-01-20
- 公开(公告)号：US20180209312A1 公开(公告)日：2018-07-26
- 发明人： Eric Hesher , Troy D. McArthy
- 申请人： Dana Automotive Systems Group, LLC.
- 主分类号： F01L3/08
- IPC分类号： F01L3/08 ; F16K41/08 ; F02F1/24
摘要：
Provided herein, is a valve stem seal assembly having an elastomeric sealing element, a symmetrical retainer and a valve guide. The retainer has first portion, a second portion, a continuous stop formed between the first portion and the second portion, an inner surface and an outer surface. The valve guide has a top surface in contact with the elastomeric sealing element and a side surface in contact with the inner surface of the second portion of the retainer. The stop of the retainer projects radially inward and the retainer is symmetrical.
公开/授权文献:
- US10072539B2 Valve stem seal assembly with a symmetrical retainer 公开/授权日：2018-09-11
IPC结构图谱:
| F | 机械工程；照明；加热；武器；爆破 |
| --F01 | 一般机器或发动机；一般的发动机装置；蒸汽机 |
| ----F01L | 机器或发动机用的循环操作阀 |
| ------F01L3/00 | 升阀，即带闭合元件的断开装置，该闭合元件具有至少一个其开闭运动垂直于闭合面的部件；其部件或附件 |
| --------F01L3/08 | .阀导套；阀杆密封，如用润滑剂密封 |