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. |
申请公布号 |
GB2419645(B) |
申请公布日期 |
2008.07.02 |
申请号 |
GB20060003045 |
申请日期 |
2004.07.16 |
申请人 |
COOPER CAMERON CORPORATION |
发明人 |
KLAUS BIESTER |
分类号 |
F04B17/03;F04B9/02;F04B9/04;F16K31/12 |
主分类号 |
F04B17/03 |
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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