Cleaning and liquid contact with solids – Apparatus – Automatic controls
Reexamination Certificate
2011-08-16
2011-08-16
Barr, Michael (Department: 1711)
Cleaning and liquid contact with solids
Apparatus
Automatic controls
C134S05600D, C134S0570DL, C134S0580DL
Reexamination Certificate
active
07998280
ABSTRACT:
A dishwasher and a method of controlling a dishwasher are provided. Using this method of controlling a dishwasher, it is possible to quickly and precisely determine, during the washing of dishes, whether nozzles are clogged with impurities. It is also possible to easily address the problems associated with clogged nozzles by terminating the operation of a washing pump for a predefined amount of time, and then resuming the operation of the washing pump to clear obstructions from the nozzles.
REFERENCES:
patent: 5681401 (1997-10-01), Gardner et al.
patent: 6615850 (2003-09-01), Hornung
patent: 2006/0060215 (2006-03-01), Lee
Barr Michael
Chaudhry Saeed T
KED & Associates LLP
LG Electronics Inc.
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