Water system leak detection
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United States of America Patent
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Dec 5, 2017
Grant Date -
Feb 16, 2017
app pub date -
Apr 6, 2016
filing date -
Aug 13, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A leak detection system for detecting leaks in a fluid plumbing system having a fluid supply line maintained within a predetermined elevated pressure range, at least one normally open supply valve having an actuator integral therewith for closing the valve in response to a supply of electrical power, a normally open circuit having at least one relay to connect the actuator with a source of electrical power, at least one programmable timer positioned opposite the at least one relay, wherein the timer contains a program formulated to initiate an electrical signal to close the relay and complete the circuit to supply electrical power to the actuator to close the supply valve, and at least one normally open pressure switch connected to the circuit and arranged to close when system pressure drops below a set point to complete the circuit and supply electrical power to close the supply valve.
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