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FLOW CONTROL

  • US 20070154320A1
  • Filed: 12/11/2006
  • Published: 07/05/2007
  • Est. Priority Date: 08/26/2004
  • Status: Active Grant
First Claim
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1. A pumping system for moving water of a swimming pool, the pumping system including:

  • a water pump for moving water in connection with performance of an operation upon the water;

    a variable speed motor operatively connected to drive the pump;

    means for determining a first motor speed of the motor;

    means for determining a value indicative of a flow rate of water moved by the pump;

    means for determining a first performance value of the pumping system, wherein the first performance value is based upon the determined flow rate;

    means for determining a second performance value of the pumping system;

    means for comparing the first performance value to the second performance value;

    means for determining an adjustment value based upon the comparison of the first and second performance values;

    means for determining a second motor speed based upon the adjustment value; and

    means for controlling the motor in response to the second motor speed.

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