Abstract: A dish washer is provided that includes a tub that defines a space for washing dishes, a water supply unit that has a water chamber where water supplied from the outside collects, to wash the dishes, a sump that is supplied with water from the water chamber and supplies wash water into the tub, and a heat exchange passage through which the wash water in the sump flows and exchanges heat with the water in the water chamber while flowing.

Abstract: A dishwasher is provided, in which a plurality of filters are modularized to extend their effective area and improve their efficiency. The dishwasher includes a tub formed at an inside of the cabinet, forming a washing space where the dishes are washed; and a sump assembly provided at a lower side of the tub and provided with a filter chamber to which a filter module is inserted. The filter module filters the washing water, and includes a plurality of drainage filters.

Abstract: There is provided a dishwasher. The dishwasher includes a tub for receiving dishes, a steam generation unit provided at an outside of the tub and generating steam that will be supplied to the tub, a steam passage along which the steam generated from the steam generation unit is supplied to the tub, and a chamber for storing water used for generating the steam.

Abstract: A water flow control device for an appliance includes a sump to collect water from a washtub, a supply passage to supply water from the sump to the washtub, a drain passage, coupled to the sump to discharge water; and a disposer to dispose contaminates in water from the sump. The disposer is in fluid communication with the drain passage but not the supply passage.

Abstract: There is provided a method of controlling a dishwasher. The method includes performing a preliminary washing cycle, performing a main washing cycle, and performing a rinsing cycle. Steam is supplied during at least one of the main washing cycle and the rinsing cycle.

Abstract: An embodiment relates to a dish washer. A dish washer according to an embodiment comprises: a tub that defines a space for washing dishes; a water supply unit that has a water chamber where water supplied from the outside collects, to wash the dishes; a sump that is supplied with water from the water chamber and supplies wash water into the tub; and a heat exchange passage through which the wash water in the sump flows and exchanges heat with the water in the water chamber while flowing.

Abstract: Dishwasher including a washing tub for placing dishes therein, a sump for accommodating washing water to wash the dishes in the washing tub, and a motor having a rotor and a stator, for generating pumping power to pump up the washing water from the sump to the washing tub, wherein the stator of the motor is wound in a concentrated winding type, thereby permitting effective utilization of the washing tub and the driving part room.

Abstract: A dish washer includes a steam generating unit that is configured to control the amount of steam in accordance with the amount of items in the dish washer. The steam generating unit is positioned outside of the tub and is configured to generate and supply steam to the tub. The dishwasher includes a fluid supplying passage that supplies washing fluid to the steam generating unit. A steam discharging passage is configured to discharge steam that is generated from the steam generating unit to the tub.

Abstract: A sump for a dishwasher includes a sump case for collecting washing fluid, a pump housing on the sump case, a filtering assembly provided on an upper portion of the pump housing, and a sealing member disposed around the pump housing. The pump housing is provided with a pump case therein.

Abstract: Provided are a dishwasher and a method of supplying water in the dishwasher. The dishwasher includes a tub enclosing a washing chamber, a sump holding washing water to be supplied to the tub, and an air brake assembly having a steam generating unit that heats the washing water to be supplied to the tub.

Abstract: A dishwasher is provided, in which a plurality of filters are modularized to extend their effective area and improve their efficiency. The dishwasher includes a tub formed at an inside of the cabinet, forming a washing space where the dishes are washed; and a sump assembly provided at a lower side of the tub and provided with a filter chamber to which a filter module is inserted. The filter module filters the washing water, and includes a plurality of drainage filters.

Abstract: A controlling method of a dishwasher to enhance washing efficiency and to reduce washing time, the controlling method of a dishwasher including a wash water supplying step and a steam supplying step where, for a predetermined amount of time, the wash water supplying step is simultaneously performed with the steam supplying step.

Abstract: There is provided a method of controlling a dishwasher. The method includes performing a preliminary washing cycle, performing a main washing cycle, and performing a rinsing cycle. Steam is supplied during at least one of the main washing cycle and the rinsing cycle.

Abstract: A dishwasher includes a tub, a steam generator for generating steam, a water supply passage for supplying washing water to the steam generator, a release valve having a steam passage along which the steam generated by the steam generator is supplied to the tub, and a condensed water passage connected to the water supply passage to allow water condensed by the steam to fall to the water supply passage.

Abstract: Provided are a dishwasher and a method of supplying water in the dishwasher. The dishwasher includes a tub defining a washing chamber; a sump retaining washing water that is supplied to the tub; a steam generating device mounted on a side of the tub and having a steam chamber provided with a heater heating washing water; a first passage through which the washing water is supplied to the steam chamber; a second passage supplying the steam generated by the steam generating device from the steam chamber to the tub; and a third passage that supplies the washing water remained in the steam chamber to the sump after the steam is generated.

Abstract: A dishwasher includes a sump for receiving washing water, a washing pump for pumping the washing water from the sump, a drain chamber for receiving the pumped washing water, and a filtering unit disposed above the drain chamber. The filtering unit includes a contaminated water for receiving and filtering the washing water that has passed through the drain chamber.

Abstract: The present invention provides a sump assembly of a dishwasher, by which water can be purified. The present invention includes a sump housing storing water therein, a pump coupled with the sump housing to pump the water, a guide assembly provided within the sump housing to guide the pumped water to a sprayer, and a drain chamber configured to filter contaminant from the water drained from the guide assembly.

Abstract: A water recirculator in a dishwasher supplies water to spray arms for washing dishes and also purifies contaminated water after washing the dishes. The water recirculator includes a sump for holding water, a water supply pump connected to the sump, a guide passage for guiding a portion of the water pumped by the water supply pump to a spray arm in a washing chamber, a pre-filtering unit for purifying a rest of the water pumped by the water pumped by the water supply pump by means of precipitating contaminants included in the water therein, and a main filtering unit for purifying the rest of the water passed through the pre-filtering unit.

Abstract: Dishwashers and methods of control for operation of dishwashers are disclosed. The dishwasher can include one or more racks in a washing compartment for placing used dishes having foreign matter, such as food and drink, and unused dishes having relatively little or no foreign matter and varying washing loads. Operation of the dishwasher can include wash, water drain and supply, and rinse cycles. During the cycles, preheating of a steam generator, water draining and supplying, steam supplying, and water spraying can occur and partially or fully overlap. The dishwasher can reduce excessive washing of dishes having small washing loads and improve power and water consumption.

Abstract: A water flow control device for an appliance includes a sump to collect water from a washtub, a supply passage to supply water from the sump to the washtub, a drain passage, coupled to the sump to discharge water; and a disposer to dispose contaminates in water from the sump. The disposer is in fluid communication with the drain passage but not the supply passage.