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: 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: The present invention relates to dishwashers, and more particularly, to a dishwasher and a method for controlling the same, which can measure turbidity of the washing water, and control operation of the dishwasher with reference to the turbidity detected thus, to prevent wasting of water, and optimize a washing time period. The dishwasher includes a sump for holding washing water, a washing pump for pumping the washing water to provide a portion of the washing water to dishes to be washed through a main flow passage, and a turbidity sensing means for sensing turbidity of the washing water, wherein the turbidity sensing means is positioned at a sampling flow passage through which the other portion of the washing water passes.

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 relates to a dishwasher. In more detail, the present invention provides a dishwasher including a sump housing for holding washing water, a washing water pumping unit for pumping the washing water, a drain chamber for receiving the washing water pumped thus, a soil chamber for receiving the washing water through the drain chamber, a guide assembly for guiding the washing water pumped thus to be provided to the soil chamber via the drain chamber, and a sump cover covered on an upper surface of the sump housing for filtering the washing water overflowed from the soil chamber, thereby filtering the washing water effectively, and improving recovery ratio of the washing water to reduce consumption of the washing water and power.

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: Sump assembly in a dishwasher holds washing water and supplies the washing water to spray nozzles. The sump assembly includes a sump housing for holding washing water, a heater assembly fastened to an inside of the sump housing for heating the washing water, and a pump fastened to the sump housing for pumping washing water heated by the heater assembly.

Abstract: Dishwasher including a sump for holding washing water, a flow passage control valve mounted to the sump for controlling a flow direction of the washing water such that the washing water makes alternate washing, and a valve control device for controlling the flow passage control valve to be moved within a predetermined range of angle, thereby permitting an easy mounting of the flow passage control device which controls a flow direction of the washing water, and reduces waste of the washing water by alternately washing an upper part and a lower part.

Abstract: Provided is an apparatus for controlling a washing flow of a dishwasher that can perform an upper washing, a lower washing, an alternate washing of upper and lower sides, and a concurrent washing of upper and lower sides for effective washing.

Abstract: A dishwasher is disclosed, including a sump for receiving wash water for washing contaminated dishes; a main motor for circulating wash water in the sump; a washing pump connected with the main motor and pumping the wash water; a main channel and a sampling channel formed in a drain direction of the washing pump; and a contamination sensor mounted at a channel extension part located at the sampling channel and measuring contamination of the wash water. The dishwasher of the present invention is able to measure contamination of wash water for washing dishes and to mount the contamination sensor for measuring the contamination of the wash water with ease.

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: 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: Device for controlling a washing water flow passage in a dish water for controlling the washing water supplied to arms for spraying washing water to dishes. The device for controlling a washing water flow passage includes an inlet tube, first, second, third, and fourth tubes, first and second outlet tubes, a ball, a ball seat, and a valve. The first tube is extended upward from the inlet tube, and the second tube is extended slanted upward from the inlet tube. The third tube is extended upward vertically from a top of the second tube, and the fourth tube is connected between the first tube and the third tube in a downward slanted direction. The first outlet tube is formed on a top of a part where the first tube and the fourth tube are joined, and the second outlet tube is formed on a top of the third tube. The ball seat is provided to an inside of the inlet tube, and the valve is provided to one side of the first tube for blocking pass of the ball.

Abstract: A tableware washer comprises: a case that forms an appearance; a tub arranged in the case with a washing space; a rack mounted in the tub and on which tableware is laid; an arm positioned in the tub, for spraying introduced washing water upon tableware; a sump case mounted at a lower surface of the tub and forming an accommodation space of washing water; a first conduit connected to the arm, for spraying washing water accommodated in the sump case into the tub through the arm; a main motor mounted at a lower surface of the sump case, for generating a rotational driving force; and an impeller positioned in the sump case and connected to the main motor by a rotational shaft penetrated along an up-down direction, for pumping washing water into the tub through the first conduit. The tableware washer occupies a small installation space by a compact construction, and a usage amount of washing water is decreased.

Abstract: Provided is an apparatus for controlling a washing flow of a dishwasher that can perform an upper washing, a lower washing, an alternate washing of upper and lower sides, and a concurrent washing of upper and lower sides for effective washing.

Abstract: Disclosed is a dishwasher including, a circulating pump for pressing and then supplying wash liquid, an injection arm for permitting the wash liquid pressed and supplied from the circulating pump to be injected by a predetermined passage structure, an underdrain container for collecting the wash liquid injected from the injection arm and supplying the collected wash liquid to the circulating pump, during a washing stage, a soil collecting chamber having a micro filter with a fine mesh for ramifying and finely filtering the wash liquid supplied from the circulating pump and returning the same to the underdrain container, during the washing stage, a drain pump for allowing the wash liquid to be drained through a drain passage which is extended from the underdrain container, and through a connecting passage which is extended from the soil collecting chamber and connected to the drain passage, during a draining stage.

Abstract: A dishwasher is provided which uses a combined circulation/drain pump and an improved filtering system to enhance cleaning capability. The circulation section of the pump provides pressurization and supplies wash water to a spray arm of the dishwasher, while the drain section discharges the wash water. This single pump reduces space requirements, as well as manufacturing costs. A two stage filtration system may be used in the water collection area of the dishwasher to filter out unwanted material, and a third filter may further filter wash water prior to recirculation. Self cleansing mechanisms associated with each of the filters may be used to keep the filters free from obstructions and allow for the unobstructed flow and discharge of wash water.

Abstract: A medical instrument washer is provided which includes a rack drawably fitted in a washing tub, for setting washing objects thereon, a flow passage having one end located on a rear side of the washing tub for supplying washing water to the rear side, and a washing duct on the rack having a washing water inlet in rear part thereof so as to be detachably connected to one end of the flow passage as the rack is drawn/pushed in. The medical instrument washer so constructed reduces washing water quantity, and pressure loss of washing water by improving a flow passage of the medical instrument washer.