| 发明名称 |
IMPROVEMENTS IN HYDRAULIC SERVOVALVES |
| 摘要 |
A servovalve has a pilot stage having a piezoelectric element actuating a pilot stage spool valve, which pilot stage spool valve comprises an output control fluid line to a main stage. |
| 申请公布号 |
US2016161013(A1) |
申请公布日期 |
2016.06.09 |
| 申请号 |
US201414907833 |
申请日期 |
2014.07.03 |
| 申请人 |
Moog Controls Limited |
发明人 |
Brooks Ian;Pagett Christopher;Guerrier Paul |
| 分类号 |
F16K31/00;F16K31/12 |
主分类号 |
F16K31/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A servovalve comprising:
a pilot stage comprising an electric actuator arranged to actuate a pilot stage spool valve, which pilot stage spool valve comprises an output control fluid line; a main stage comprising a main stage fluid valve arranged to influence the flow of a working fluid; in which the output control fluid line of the pilot stage spool valve is arranged to drive the main stage fluid valve to influence the flow of the working fluid. |
| 地址 |
Tewkesbury, Gloucestershire GB |
