发明名称 |
Hydraulic system for mud pulse generation |
摘要 |
A hydraulic system for supplying hydraulic fluid for operating a mud pulse generator includes an accumulator that has a reservoir. The accumulator is arranged to maintain the fluid pressure in the reservoir. The system also has a pressure operated, one way inlet valve that is arranged to allow hydraulic fluid to be added, under pressure, to the reservoir. The one way inlet valve also includes a valve core.
|
申请公布号 |
US6050349(A) |
申请公布日期 |
2000.04.18 |
申请号 |
US19970951122 |
申请日期 |
1997.10.16 |
申请人 |
PRIME DIRECTIONAL SYSTEMS, LLC |
发明人 |
ROUNTREE, STEVEN P.;BROUSSARD, JOAN B.;TAMPORELLO, ANGELO J. |
分类号 |
E21B4/02;E21B17/02;E21B44/00;E21B47/18;(IPC1-7):E21B44/00;G01V1/40 |
主分类号 |
E21B4/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|