Dishwasher and controlling method thereof

Details Dishwasher and controlling method thereof Dishwasher and controlling method thereof

2009-06-15

2010-10-26

Kornakov, Michael (Department: 1714)

Cleaning and liquid contact with solids

Processes

Work handled in bulk or groups

Reexamination Certificate

active

07819983

ABSTRACT:
A dishwasher and controlling method thereof are disclosed, by which noise generated from rotation of a passage switching valve can be reduced in a manner of adjusting a rotation timing point of the passage switching valve and a rotation speed of a wash pump. The embodiments describe rotating a passage switching valve for switching a passage to selectively supply water to either an upper nozzle or a lower nozzle and reducing a rotational speed of a wash pump supplying the water to the upper and lower nozzles before the rotation of the passage switching valve.

REFERENCES:
patent: 2002/0007843 (2002-01-01), Deiss et al.

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