发明申请
- 专利标题： PRESSURIZED SEAT CHECK VALVE
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申请号： US15622107申请日： 2017-06-14
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公开(公告)号： US20180363416A1公开(公告)日： 2018-12-20
- 发明人: Do Seo Park , Marc Samuelson , Zhi Yong He , Gregory Armstrong , Donavan Holland Brown
- 申请人： Do Seo Park , Marc Samuelson , Zhi Yong He , Gregory Armstrong , Donavan Holland Brown
- 申请人地址： US TX Houston
- 专利权人： Baker Hughes Incorporated
- 当前专利权人： Baker Hughes Incorporated
- 当前专利权人地址： US TX Houston
- 主分类号： E21B34/08
- IPC分类号： E21B34/08 ; F16K15/04 ; F16K15/02 ; F16K25/00 ; F16K25/04 ; F16K31/122
摘要：
A pressurized seat check valve including a flexible frustoconical seat having a back surface configured for exposure to upstream pressure, a closure member in sealable communication with the seat, the closure member being biased into contact with the seat and, in use, the seat being deflected toward the closure member by the exposure to upstream pressure.
公开/授权文献
- US10472926B2 Pressurized seat check valve 公开/授权日：2019-11-12
信息查询
