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Apparatus and method for controlling laundering cycle by sensing wash aid concentration

  • US 8,388,695 B2
  • Filed: 07/01/2008
  • Issued: 03/05/2013
  • Est. Priority Date: 07/01/2008
  • Status: Active Grant
First Claim
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1. A method for operating an automatic washing machine in accordance with a selected wash cycle, the automatic washing machine comprising a wash chamber operable to receive fabric articles for washing, a wash aid dispenser fluidly coupled to the wash chamber, a sensor coupled with at least one or more of the wash aid dispenser and a wash aid conduit and fluidly coupled therewith for sensing a concentration of an undiluted wash aid disposed in at least one or more of the wash aid dispenser and wash aid conduit, and a water supply fluidly coupled to at least one of the wash aid dispenser and wash chamber for generating a wash liquid, the method comprising:

  • automatically determining with the sensor a concentration of an undiluted wash aid prior to combining the wash aid with a liquid; and

    selecting an operating parameter of the automatic washing machine in response to the determined concentration.

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