| 发明名称 |
INJECTION DEVICE |
| 摘要 |
An injection device for use in injecting a fluid into a target location includes a housing defining an inlet for communicating with a source of injection fluid, an outlet for communicating with a target injection location, and a separate reference port for communicating with a reference pressure source. The device also includes first and second valve members mounted within the housing, wherein the second valve member defines a flow path therethrough to facilitate fluid communication between the inlet and outlet of the housing. A sealing arrangement is provided between the second valve member and the housing such that fluid pressure at the housing inlet and housing reference port apply a force on the second valve member to cause said second valve member to move relative to the first valve member and vary flow between the inlet and the outlet. |
| 申请公布号 |
US2015240601(A1) |
申请公布日期 |
2015.08.27 |
| 申请号 |
US201314426893 |
申请日期 |
2013.09.10 |
| 申请人 |
TCO AS |
发明人 |
Woodford Keith Donald |
| 分类号 |
E21B41/00;E21B34/10;E21B34/08 |
主分类号 |
E21B41/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An injection device for use in injecting a fluid into a target location, comprising:
a housing defining an inlet for communicating with a source of injection fluid, an outlet for communicating with a target injection location, and a separate reference port for communicating with a reference pressure source; a first valve member mounted within the housing; a second valve member mounted within the housing and defining a flow path therethrough to facilitate fluid communication between the inlet and outlet of the housing; a sealing arrangement provided between the second valve member and the housing such that fluid pressure at the housing inlet and housing reference port apply a force on the second valve member to cause said second valve member to move relative to the first valve member and vary flow between the inlet and the outlet. |
| 地址 |
Bergen NO |
