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Leak detection and alarm system

  • US 5,091,715 A
  • Filed: 02/01/1991
  • Issued: 02/25/1992
  • Est. Priority Date: 01/08/1990
  • Status: Expired due to Fees
First Claim
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1. A liquid detection and alarm system for monitoring the wetness of a floor, the alarm system comprising:

  • a housing having a flat bottom surface;

    at least three spaced-apart support feet for supporting the bottom surface of the housing above the floor, such that the bottom of each support foot is in contact with the floor, wherein the bottom of each support foot is constructed from an electrically conductive material, so as to have a single electrical polarity, such that at least one support foot is of opposite polarity from the others;

    an electrically activated alarm indicator;

    a battery connector for connecting a battery to the alarm system; and

    an alarm circuit located within the housing for interconnecting all of the support feet, the alarm indicator, and the battery such that the alarm circuit activates the alarm indicator in response to a reduced resistance condition between any two separate support feet of opposite polarity.

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