发明授权
- 专利标题： Pressure equalizing system and valve
- 专利标题（中）： 压力均衡系统和阀门
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申请号： US639983申请日： 1991-01-11
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公开(公告)号： US5107898A公开(公告)日： 1992-04-28
- 发明人: Walter Keeney
- 申请人： Walter Keeney
- 专利权人： Walter Keeney
- 当前专利权人： Walter Keeney
- 主分类号： F17C13/02
- IPC分类号： F17C13/02 ; G01F23/14
摘要：
There is provided a closed loop system for measuring an amount of liquid under pressure in a container. The system comprises a container holder a liquid under pressure, a novel differential valve with check valves which are connected to the container and to a differential gauge, and a means for activating the valve.
公开/授权文献
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