| 发明名称 |
VALVE POSITION MONITORING SYSTEM |
| 摘要 |
A quarter turn valve (11) fitted with one or more targets (13) mounted on its actuating means and fitted with a pair of proximity sensors (14, 15) one of which generates a signal when the valve is open and the other of which generates a signal when the valve is closed. |
| 申请公布号 |
AU2920389(A) |
申请公布日期 |
1989.07.19 |
| 申请号 |
AU19890029203 |
申请日期 |
1989.12.15 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
RONALD L. HAGEDORN;WILSON E. KELLEY JR.;PRESCOTT VAN HORN JR. |
| 分类号 |
F16K37/00 |
主分类号 |
F16K37/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
