发明名称 Vibration and flow actuated valve shutoff system
摘要 An automatically actuated regulation system for a natural gas pipeline having flow control unit, a vibration sensor, a gas flow meter, a trigger unit, and a microprocessor. The microprocessor actuates the flow control unit when two conditions are met. First, there must be a vibration which surpasses a predetermined threshold. Second, flow in the natural gas pipeline must have increased over the flow rate before the vibration.
申请公布号 US5960807(A) 申请公布日期 1999.10.05
申请号 US19980072896 申请日期 1998.05.05
申请人 REYMAN, MARK 发明人 REYMAN, MARK
分类号 F16K17/36;(IPC1-7):F16K17/20 主分类号 F16K17/36
代理机构 代理人
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