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REFRIGERATION DEMAND RESPONSE RECOVERY

  • US 20120023987A1
  • Filed: 11/03/2010
  • Published: 02/02/2012
  • Est. Priority Date: 11/03/2010
  • Status: Active Grant
First Claim
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1. A refrigerator comprising:

  • a fresh food compartment;

    a freezer compartment;

    one or more power consuming features/functions including a refrigeration system for cooling the fresh food compartment and freezer compartment;

    a controller operatively connected to the one or more power consuming features/functions, the controller being configured to receive and process a signal indicative of current state of an associated energy supplying utility, the controller operating the refrigerator in one of plurality of operating modes, including at least a normal operating mode and an energy savings mode;

    in response to the received signal, the controller being configured to cool at least one of the fresh food and freezer compartments to a first targeted setpoint temperature below the user selected setpoint temperature prior to the rate increase time period;

    the controller being configured to establish a second targeted setpoint temperature of at least one of the fresh food and freezer compartments above the user selected setpoint temperature during the rate increase time period;

    the controller being configured to reduce the second targeted setpoint temperature of at least one of the fresh food and freezer compartments back to the user selected setpoint temperature after the rate increase time period; and

    ,wherein the controller adjusts at a first controlled rate the change in setpoint temperature from the user selected setpoint temperature to the first targeted setpoint temperature, and wherein the controller adjusts at a second controlled rate the change in setpoint temperature from the second targeted setpoint temperature back to the user selected setpoint temperature to reduce power consumption of the refrigerator in the normal operating mode and the energy savings mode.

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