发明名称 |
PUMP DEVICE FOR THE HYDRAULIC ACTUATION OF A VALVE |
摘要 |
Pump device for hydraulically activating a valve in particular used for oil and gas exploration wherein such a valve may be a safety valve assigned to a riser or a tree, said pump device including a piston cylinder unit from which pressurized hydraulic fluid can be pumped in direction to the valve. To improve such a pump device so that the pressure of the hydraulic fluid is produced in particular at the corresponding site and near to the valve and is safe and constructed in a simple way an electrical drive means is movably connected to a piston of the piston cylinder unit for alternating movement in axial direction of the piston within the cylinder.
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申请公布号 |
US2011200457(A1) |
申请公布日期 |
2011.08.18 |
申请号 |
US201113096934 |
申请日期 |
2011.04.28 |
申请人 |
CAMERON INTERNATIONAL CORPORATION |
发明人 |
BIESTER KLAUS |
分类号 |
F04B49/06;F04B9/02;F04B9/04;F04B17/03;F04B35/04;F16K31/12 |
主分类号 |
F04B49/06 |
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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