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Water conservation safety shut-off valve

  • US 7,779,852 B2
  • Filed: 10/12/2007
  • Issued: 08/24/2010
  • Est. Priority Date: 10/12/2006
  • Status: Expired due to Fees
First Claim
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1. A fluid shut-off valve assembly comprising:

  • a valve body having a fluid passageway;

    a valve plug adapted to close-off the fluid passageway;

    a flow detection switch having a flow sensor with a variable actuation set point, the flow sensor adapted to detect fluid flow through the fluid passageway;

    a timer electrically connected to the flow detection switch, the timer activated by the flow detection switch and adapted to time duration of fluid flowing through the fluid passageway;

    the timer further adapted to time out to cause the valve plug to close-off the fluid passageway to prevent fluid waste; and

    the flew sensor notifies the timer of a fluid flow event exceeding the actuation set point.

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