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Clothes washer demand response with dual wattage or auxiliary heater

  • US 8,522,579 B2
  • Filed: 10/07/2010
  • Issued: 09/03/2013
  • Est. Priority Date: 09/15/2009
  • Status: Active Grant
First Claim
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1. A clothes washer comprising:

  • at least one power consuming feature including a heater assembly comprising a first heater and a second heater for heating water to be used during a sanitation portion of a wash cycle, the first heater having a greater wattage rating than the second heater; and

    a controller adapted to receive and process a signal indicative of the current cost of supplied energy, the controller operating the clothes washer in one of a plurality of operating modes including at least a normal mode and an energy saving mode based on the received signal,wherein, in response to the normal mode, the controller activates the first heater and de-activates the second heater, andwherein, in response to the energy saving mode, the controller implements an extended heating cycle in which the controller de-activates the first heater and activates the second heater to raise the temperature of water required for the sanitation portion of the wash cycle.

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