发明名称 |
ACTUATING DEVICE AND METHOD OF OPERATING AN ACTUATING DEVICE |
摘要 |
<p>An actuating device for displacing a control device, such as a gate valve or other control mechanism, in particular for use in oil or gas production systems, includes a motor-gear unit and a threaded spindle drive, which is operable by said motor-gear unit. The threaded spindle drive includes at least a threaded spindle and a screw nut. The threaded spindle is displaceable in an essentially axial-direction so as to displace the control device between an advance position and a retracted position. The threaded spindle drive further includes a position holding means holding the attained position of the threaded spindle. The position holding means is directly connected to a motor shaft of the motor-gear unit so as to apply a holding torque to said motor shaft.</p> |
申请公布号 |
EP2153098(A1) |
申请公布日期 |
2010.02.17 |
申请号 |
EP20070724245 |
申请日期 |
2007.04.13 |
申请人 |
CAMERON INTERNATIONAL CORPORATION |
发明人 |
BIESTER, KLAUS;KUNOW, PETER;LENZ, NORBERT |
分类号 |
F16K31/04;F16H25/20 |
主分类号 |
F16K31/04 |
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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