×

ELECTRONICALLY CONTROLLED HOT WATER RECIRCULATION PUMP

  • US 20110231022A1
  • Filed: 02/17/2011
  • Published: 09/22/2011
  • Est. Priority Date: 02/18/2010
  • Status: Active Grant
First Claim
Patent Images

1. A smart pump for a building hot water system comprising:

  • a microcontroller;

    a sensor for sensing the opening of a water tap on the hot water system and operatively connected to the microcontroller, the microcontroller receiving, logging and recording data signals from the sensor indicating the flow of hot water to a tap during a pre-defined data logging period;

    a water pump mechanism coupled to and controlled by the microcontroller in accordance with a recorded hot water usage data pattern generated from occurrences of hot water usage logged by the microcontroller during a prior pre-defined data logging period, the water pump mechanism operating to recirculate hot water through the hot water system.

View all claims
  • 10 Assignments
Timeline View
Assignment View
    ×
    ×