Dishwasher and controlling method thereof

Details Dishwasher and controlling method thereof Dishwasher and controlling method thereof

2006-05-12

2010-12-28

Barr, Michael (Department: 1711)

Cleaning and liquid contact with solids

Processes

Combined

C134S025200, C134S05600D, C134S172000, C134S173000, C134S184000

Reexamination Certificate

active

07857908

ABSTRACT:
A dishwasher is provided. The dishwasher has a wash motor for pumping wash liquid, upper and lower spray arm for spraying the wash liquid pumped by the wash motor, and a control unit. The control unit operates the wash motor to perform a lower wash cycle by the lower spray arm and an upper wash cycle by the upper spray arm. The control unit operates the wash motor at a preset first rpm and operates the wash motor at a second rpm for a predetermined duration during the upper wash cycle.

REFERENCES:
patent: 2006/0054198 (2006-03-01), Choi

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