发明名称 |
Valve position monitor |
摘要 |
A valve position monitor that provides simultaneous visual and electrical signals of valve position is disclosed. A method of monitoring the position of a valve by utilizing the valve position monitor described herein is also disclosed.
|
申请公布号 |
US6820647(B1) |
申请公布日期 |
2004.11.23 |
申请号 |
US20020141474 |
申请日期 |
2002.05.08 |
申请人 |
WESTLOCK CONTROLS CORPORATION |
发明人 |
GRECCO JOHN JUDE;MARTIN ANTIMO J.;MINERVINI LEO;SINCLAIR FRANKLIN H. |
分类号 |
F16K31/04;F16K37/00;(IPC1-7):F16K37/00 |
主分类号 |
F16K31/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|