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Load Sensor Safety Vacuum Release System

  • US 20060090255A1
  • Filed: 11/01/2005
  • Published: 05/04/2006
  • Est. Priority Date: 11/01/2004
  • Status: Active Grant
First Claim
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1. An aquatic facility with safety vacuum release system, comprising:

  • an aquatic vessel containing a body of water suitable for bathing;

    at least one circulation drain near a bottom of said aquatic vessel;

    a circulation pump having an intake side for drawing water out of the aquatic vessel and having an output side for directing water back into the aquatic vessel;

    a suction line interconnecting said drain and said intake side of said circulation pump;

    a return line interconnecting the vessel and said output side of the circulation pump;

    an electric motor operating the circulation pump when said motor operates;

    means for detecting underload of the electric motor; and

    means responsive to the detection of underload for shutting off the motor.

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