发明名称 |
HYDRAULIC SLEEVE VALVE WITH POSITION INDICATION, ALIGNMENT, AND BYPASS |
摘要 |
A hydraulic sleeve valve that includes a valve position indication system that provides an indication that the valve has reached a predetermined position, such as, for example, the fully opened or fully closed condition. The hydraulic sleeve valve may include a bypass relief system and may also provide a valve control fluid circulation function to filter or otherwise manipulate the control fluid.
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申请公布号 |
US2009159264(A1) |
申请公布日期 |
2009.06.25 |
申请号 |
US20090352232 |
申请日期 |
2009.01.12 |
申请人 |
TURNER DEWAYNE M;ROSS RICHARD J |
发明人 |
TURNER DEWAYNE M.;ROSS RICHARD J. |
分类号 |
E21B34/00;E21B34/10;E21B34/12 |
主分类号 |
E21B34/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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