The present invention relates to a dishwasher and a manufacturing method thereof. The dishwasher according to an embodiment of the present invention includes a water guide extending upward from a sump and supplying washing water to an upper nozzle and a top nozzle, and the upper pipe and the top pipe are separately provided to the water guide, so pressure of the washing water applied to the upper pipe and the top pipe can be reduced.

According to an implementation of the present disclosure, the dishwasher includes a case forming an outer appearance of the dishwasher and defining an opening at a front side of the case; a door configured to open and close the opening; a tub configured to receive washing water; a sump disposed at a bottom surface of the tub and configured to collect and spray the washing water; a rack disposed inside the sump and configured to accommodate a dish; a dish recognition camera configured to capture an upper portion of the rack and disposed at at least one of an inner surface of the door or an inner surface of the tub; and a controller configured to control operation of the dishwasher and the dish recognition camera.

A household dishwasher includes a dishwasher cavity and a spray facility arranged within the dishwasher cavity for spraying washing liquor and/or fresh water in the dishwasher cavity. The spray facility includes a nozzle for spraying the washing liquor and/or the fresh water and a spiral-shaped flow-conducting element for feeding the washing liquor and/or the fresh water to the nozzle. The spiral-shaped flow-conducting element is configured, during operation of the spray facility, to feed the washing liquor and/or the fresh water to the nozzle in such a way that the washing liquor and/or the fresh water exits the nozzle as a rotating conical spray jet.

A dishwasher is provided in which tableware is capable of being washed with washing water of a high pressure by preventing the pressure of the washing water from dropping. The dishwasher includes a main body in which a washing tub is formed, a sump provided in the main body and storing washing water, a plurality of injection nozzles to inject the washing water into the washing tub, a plurality of flow passages respectively connected to the plurality of injection nozzles, and a distribution apparatus configured to selectively open and close the plurality of flow passages and communicate with the plurality of flow passages, respectively, and including rotary member having a plurality of independent connection passages and a case in which the rotary member is accommodated.

A dishwasher and method for operating the same utilize a rack-mounted rotatable conduit with a return mechanism that positions the rotatable conduit to a predetermined rotational position when the conduit is disconnected from a docking arrangement on a wall of a wash tub.

A dishwasher and method for operating the same utilize a diverter valve to control via rotation the flow of fluid such as wash fluid or pressurized air to a rotatable conduit supported in the rack of a dishwasher. A valve member may be disposed at a predetermined rotational position about an axis of rotation of the conduit such that a fluid inlet on a rotatable valve body may be rotated to the predetermined rotational position to restrict fluid flow to the conduit.

A dishwasher, dishwasher sprayer, and method for assembling the same utilize a rotatable conduit that is supported in a cantilevered fashion on a wash tub wall of the dishwasher. The rotatable conduit may be supported within a conduit support and may project through an aperture in the conduit support, and may include a shoulder portion that inhibits axial movement of the rotatable conduit within the conduit support.

Provided is a dishwasher having an improved structure capable of selecting whether to spray wash water. The dishwasher includes a washing tub, a basket provided in the washing tub to accommodate dishware, a duct provided in the washing tub to be supplied with wash water, a sub-duct mounted on the basket to guide the wash water, a connection pipe connected to the sub-duct, and a spray nozzle coupled to the connection pipe to be rotatable from a first position where the connection pipe is open and a second position where the connection pipe is closed.

A dish washing machine including a housing having an interior wash space for washing dishes. The housing has a liquid inlet for adding a liquid to the dish washing machine. At least one rotating spray nozzle sprays the liquid onto dishes positioned within the interior wash space. The machine further includes a heating tank for heating the liquid which is supplied to the at least one rotating spray nozzle for spraying onto the dishes in the interior wash space. Two heat exchange systems are within the housing. The two heat exchange systems transfer heat from the liquid heated by the heating tank to the liquid added to the dish washing machine from the liquid inlet. A first one of the two heat exchange systems passes heat from water in the wash tank or the interior wash space to water in the first one of the two heat exchange systems.

An automatic dishwasher configured to implement an automatic treating cycle of operation, comprising a tub defining a dish treating chamber, a dish rack located within the dish treating chamber, and a utensil caddy removably mounted to the dish rack. The utensil rack including a first set of utensil holders provided on a first side wall of the utensil caddy and a second set of utensil holders provided on a second side wall of the utensil caddy.