BACK PRESSURE VALVE |
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| 申请号 | US15662228 | 申请日 | 2017-07-27 | 公开(公告)号 | US20180106128A1 | 公开(公告)日 | 2018-04-19 |
| 申请人 | Cameron International Corporation; | 发明人 | Dennis P. Nguyen; Kirk P. Guidry; Thomas E. Taylor; | ||||
| 摘要 | A system in some embodiments includes a back pressure valve configured to mount in a mineral extraction system. The back pressure valve comprises a cylindrical body comprising a venting port coaxial with a longitudinal axis of the cylindrical body and a plunger disposed in the venting port, wherein the plunger comprises a stem that extends from the venting port into an adjacent cavity of the cylindrical body. In some embodiments, a method of operating a valve, includes biasing a plunger to an open position, biasing a valve locking mechanism to a locked position in relation to a bore of a mineral extraction system, and biasing a plunger to a closed position. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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