发明名称 |
An electromagnetic actuator for a blowout preventer |
摘要 |
A blowout preventer comprising: a body comprising a bore therethrough; a cavity disposed through the body and intersecting the bore; first and second closure members moveably disposed within the cavity on opposite sides of the bore; a first rod having a length and comprising a first end coupled to the first closure member; a second rod having a length and comprising a first end coupled to the second closure member; a first glider assembly wherein a second end of the first rod is at least partially disposed within the first glider assembly; and a second glider assembly wherein a second end of the second rod is at least partially disposed within the second glider assembly; wherein the first and second rods have magnets along at least a portion of the length of each rod; the first and second glider assemblies are located on opposite sides of the bore; and the first and second glider assemblies each comprise means for generating an electromagnetic field. |
申请公布号 |
AU2013277396(B2) |
申请公布日期 |
2016.08.18 |
申请号 |
AU20130277396 |
申请日期 |
2013.06.18 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
ROSA, WILFREDO;WILIE, CURTIS LEN |
分类号 |
E21B33/06 |
主分类号 |
E21B33/06 |
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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