发明名称 |
System for accelerating relief valve opening |
摘要 |
A pressure relief valve control system provides a method and apparatus for rapidly closing a relief valve in response to excess fluid pressure. The system uses a programmable controller to rapidly communicate pressure changes to a solenoid actuated valve and two control valves. The solenoid actuated valve has a dedicated accumulator and the two control valves have another dedicated accumulator.
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申请公布号 |
US8413677(B1) |
申请公布日期 |
2013.04.09 |
申请号 |
US20100928744 |
申请日期 |
2010.12.17 |
申请人 |
COFFMAN WILLIAM PAUL;PATRICK CHARLES LELAND;EXPRO AMERICAS, LLC |
发明人 |
COFFMAN WILLIAM PAUL;PATRICK CHARLES LELAND |
分类号 |
F16K31/12;F16K31/02;G05D16/20 |
主分类号 |
F16K31/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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