Method and apparatus for determining detergent concentration

Research output: Patent

Abstract

A method for determining detergent concentration includes performing a photometric analysis of a wash fluid during an article laundering process, and determining a concentration of a detergent within the wash fluid based at least in part upon the photometric analysis. Furthermore, an apparatus for determining detergent concentration includes a fluid chamber to hold a wash fluid for washing articles, and an optical sensor optically coupled to the fluid chamber to determine a detergent concentration within the wash fluid based at least in part upon photometric properties of the wash fluid.
Original languageEnglish (US)
Patent numberUS20070143934A1
StatePublished - Jun 28 2007

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