| 发明名称 |
Solenoid systems |
| 摘要 |
<p>The present invention provides for a pilot valve used in a well and in which the state of the pilot valve is controlled by an actuator.</p> |
| 申请公布号 |
GB2428460(B) |
申请公布日期 |
2007.07.11 |
| 申请号 |
GB20060019466 |
申请日期 |
2005.08.18 |
| 申请人 |
SCHLUMBERGER HOLDINGS LIMITED |
发明人 |
MURAT OCALAN |
| 分类号 |
H01F7/16;F16K31/06;F16K31/42 |
主分类号 |
H01F7/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
