Dishwasher and control method thereof

Abstract

Disclosed a control method of a dishwasher comprising a main-washing cycle for washing one or more washing objects which are held in a tub; a rinsing cycle for rinsing the washing objects washed in the main-washing cycle by injecting wash water; a normal drying cycle for drying the washing objects rinsed in the rinsing cycle, wherein the main-washing cycle comprises a pre-steam water supply step for supplying steam water to a sump so as to supply steam to the tub; a pre-steam supply step for generating steam by heating a heater and supplying the steam to the tub; a main-wash water supply step for supplying wash water for washing to the sump, without draining the steam water supplied to the sump; a main-washing step for washing the washing objects by circulating the supplied wash water; and a main-wash water drainage step for draining the wash water.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims priority to Korean Patent Application No. 10-2016-0000564 filed on Jan. 4, 2016 in Korea, the entire contents of which is hereby incorporated by reference in its entirety.BACKGROUND OF THE DISCLOSURE[0002]Field of the Disclosure[0003]Embodiments of the present disclosure relate to a dishwasher a control method thereof.[0004]Background of the Disclosure[0005]Generally, a dishwasher is the electric appliance configured to remove food scraps or foreign substances from one or more dishwashing objects or dishes held therein by injecting wash water to the dishes.[0006]Such the conventional dishwasher includes a case defining an exterior appearance; a tub providing a washing space for dishes; one or more racks provided in the tub and holding washing objects therein; an injection arm for injecting wash water to the racks; a sump storing wash water; and a pump for supplying the wash water stored in the sump to the injection...

AI Technical Summary

Benefits of technology

[0037]Furthermore, the dishwasher needs not use much water in drying washing objects.

[0038]Still further, the dishwasher is capable of supplying steam to dry washing objects.

[0039]Still further, the dishwasher is capable of removing foreign substances or food scarps by supplying only wash water not containing dishwashing liquid.

[0040]Still further, the dishwasher is capable of pr

Problems solved by technology

In this instance, it is disadvantageously impossible to expose front portions of the washing objects to the steam supplied only to the washing objects put in both sides of the rack.

Furthermore, steam is injected only to the washing objects placed in both side areas of the rack and fails to be injected to the washing objects placed in a central area

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