Cleaning and liquid contact with solids – Apparatus – Automatic controls
Reexamination Certificate
2005-02-14
2009-06-02
Stinson, Frankie L (Department: 1792)
Cleaning and liquid contact with solids
Apparatus
Automatic controls
C134S113000
Reexamination Certificate
active
07540293
ABSTRACT:
A dishwasher is disclosed, including a sump for receiving wash water for washing contaminated dishes; a main motor for circulating wash water in the sump; a washing pump connected with the main motor and pumping the wash water; a main channel and a sampling channel formed in a drain direction of the washing pump; and a contamination sensor mounted at a channel extension part located at the sampling channel and measuring contamination of the wash water. The dishwasher of the present invention is able to measure contamination of wash water for washing dishes and to mount the contamination sensor for measuring the contamination of the wash water with ease.
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Cho Hung Myong
Han Dae Yeong
Park Nung Seo
Yoon Sang Heon
LG Electronics Inc.
McKenna Long & Aldridge LLP
Stinson Frankie L
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