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Window air conditioner demand supply management response

  • US 8,943,845 B2
  • Filed: 07/12/2010
  • Issued: 02/03/2015
  • Est. Priority Date: 09/15/2009
  • Status: Active Grant
First Claim
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1. An appliance for conditioning air of an associated room, the appliance configured to receive and process data relating to a rate of change in temperature of the associated room, and the appliance is in receipt of a demand response signal representative of operation in an increased cost or demand for energy period, wherein the appliance has been operating for 100% of the time over a predetermined time period prior to processing the demand response signal, and wherein a temperature of the associated room is not nearing stabilization to a temperature set point that a user selected, the appliance comprising:

  • a refrigeration system comprising one or more power consuming elements for one of heating and cooling air;

    a sensory device configured to measure temperature of the associated room; and

    a controller operatively connected to the refrigeration system, the controller being configured to;

    receive and process the demand response signal,determine that the appliance has been operating for 100% of the time over the predetermined time period,receive and process the data relating to the rate of change in the temperature of the associated room, andanalyze the data indicating the rate of change in temperature to determine that the temperature of the associated room is not nearing stabilization, and, in response to the determination that the temperature of the associated room is not nearing stabilization, the controller executing a percentage load reduction program based on historical operating data of the appliance,wherein the percentage load reduction program is executed to reduce the load or percent run time of at least one of the one or more power consuming elements of the refrigeration system.

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