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Pumping system with power optimization

  • US 7,686,589 B2
  • Filed: 12/11/2006
  • Issued: 03/30/2010
  • Est. Priority Date: 08/26/2004
  • Status: Active Grant
First Claim
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1. A pumping system for at least one aquatic application controlled by a user, the at least one aquatic application including a pool, the pumping system comprising:

  • a pump;

    a variable speed motor coupled to the pump;

    a user interface that receives a volume of at least the pool, a time period, and a desired number of turnovers for at least the pool from the user; and

    a controller in communication with the variable speed motor and the user interface, the controller determining a target flow rate and a minimum motor speed based on the volume of at least the pool, the time period, and the desired number of turnovers for at least the pool,the controller operating the variable speed motor based on the minimum motor speed and substantially continuously modifying a current speed of the variable speed motor by making substantially minimum adjustments to the current speed in order to maintain the target flow rate using substantially minimum energy consumption.

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