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Water leak detection apparatus for use in suspended ceilings

  • US 5,008,652 A
  • Filed: 05/30/1990
  • Issued: 04/16/1991
  • Est. Priority Date: 05/30/1990
  • Status: Expired due to Term
First Claim
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1. A device, on the top side of a suspended ceiling panel for detecting leakage of liquid on to and through a ceiling comprising:

  • at least one liquid concentrating tray having surfaces sloping to form a narrow trough;

    electric conductor means for conducting electricity, sensor terminal;

    means in said troughs to be contacted by said liquid, warning means for warning of a leak in said ceiling, and current supply means in a circuit to actuate said warning means when said liquid contacts said sensor terminal means;

    said sensor terminal means being connected in parallel by said electric conductor means to said current supply means and said warning means in said electric circuit.

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