Invention Grant
- Patent Title: Dynamic flapper and method
- Patent Title (中): 动态挡板和方法
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Application No.: US12617395Application Date: 2009-11-12
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Publication No.: US08256454B2Publication Date: 2012-09-04
- Inventor: Yang Xu , Keith J. Murphy
- Applicant: Yang Xu , Keith J. Murphy
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: Cantor Colburn LLP
- Main IPC: F16K1/18
- IPC: F16K1/18 ; F16K15/03 ; F16K51/00
Abstract:
An adjustable moment arm flapper including a flapper defining a cavity there within and a moveable mass system disposed within the cavity, a center of mass of the flapper changeable based upon position of the movable mass and a method for dynamically controlling a flapper.
Public/Granted literature
- US20110108749A1 DYNAMIC FLAPPER AND METHOD Public/Granted day:2011-05-12
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