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: Dishwashers and methods of control for operation of dishwashers are disclosed. The dishwasher may include an upper rack in an upper portion of a washing compartment configured to receive small dishes, such as a cup having a small washing load, and a lower rack in a lower portion of the washing compartment for placing large dishes, such as a dinner bowl having a large washing load. The operation of the dishwasher can include wash and rinse cycles having a plurality of sub-cycles. During the sub-cycles, the upper and lower racks can be selectively sprayed with water and steam can be supplied to the washing compartment based on configured conditions, such as a water temperature or operation time being reached. The operation of the dishwasher can reduce excessive washing of dishes having small washing loads and reduce power consumption of the dishwasher.

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: A dish washer is disclosed. The dish washer has improved washing efficiency while being constructed in a compact structure. A general dish washer is an apparatus that injects wash water to dishes so as to wash the dishes, and dries and/or sterilizes the washed dishes. The washer according to the present invention includes a filter unit (170) filtering at least some of the wash water injected form a tub (1), fallen downward, and directed to a collection part of sump (20).

Abstract: A dishwasher is provided in which heights of basket(s) of a rack assembly may be easily changed. The dishwasher may include a frame configured to be inserted into and withdraw from a washing tub and plurality of basket positioning device configured to receive and support basket(s) at different heights.

Abstract: A dishwasher is disclosed which includes a rack arranged inside of a washing cabinet, a plurality of shelves arranged on the rack, and a shelf holder installed on the rack. The shelf holder may include a plurality of shelf fixing parts that fix the shelves together. The dishwasher so configured is capable of minimizing the number of shelf holders needed to fix a plurality of shelves to a rack and, therefore, simplifies the assembly process.

Abstract: Dishwasher including a housing (1) having an opening in a front and a hinge shaft (43) for holding dishes to be washed therein, a door (2) rotatably mounted with the hinge shaft (43) for selective opening/closing of the opening in the housing (1), and a falling off preventive unit for preventing the door (2) from falling off the hinge shaft (43) in a case the door (2) rotates, thereby preventing the door (2) from falling off effectively in a case the door (2) is opened/closed.

Abstract: A dishwasher is disclosed which includes a washing cabinet, a frame disposed within the washing cabinet, and a basket, which is placed on the frame, and whose height is adjustable by a back and forth movement. With this construction, there is no need to lift the basket, rotate it 90°, and reposition the basket to adjust a height of the basket. Rather, it is possible to adjust the height of the basket by a simple operation of pulling the basket forward or pushing it rearward.

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 washing arm and a dishwasher having the washing nozzle are provided. The washing arm includes a first arm capable of rotating by wash liquid flowing therethrough, and a second arm rotating with respect to the first arm through wash liquid supplied from the first arm.

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: Dishwashers and methods of control for operation of dishwashers are disclosed. The dishwasher may include an upper rack in an upper portion of a washing compartment configured to receive small dishes, such as a cup having a small washing load, and a lower rack in a lower portion of the washing compartment for placing large dishes, such as a dinner bowl having a large washing load. The operation of the dishwasher can include wash and rinse cycles having a plurality of sub-cycles. During the sub-cycles, the upper and lower racks can be selectively sprayed with water and steam can be supplied to the washing compartment based on configured conditions, such as a water temperature or operation time being reached. The operation of the dishwasher can reduce excessive washing of dishes having small washing loads and reduce power consumption of the dishwasher.

Abstract: A dish washer is disclosed. The dish washer has improved washing efficiency while being constructed in a compact structure. A general dish washer is an apparatus that injects wash water to dishes so as to wash the dishes, and dries and/or sterilizes the washed dishes. The washer according to the present invention includes a filter unit (170) filtering at least some of the wash water injected form a tub (1), fallen downward, and directed to a collection part of sump (20).

Abstract: A dishwasher is provided in which heights of basket(s) of a rack assembly may be easily changed. The dishwasher may include a frame configured to be inserted into and withdraw from a washing tub and plurality of basket positioning device configured to receive and support basket(s) at different heights.

Abstract: A dish washer capable of washing dishes of various sizes is provided. The dishwasher includes a rack assembly having a plurality of dish holders into which dishes may be inserted and by which the dishes supported are separated from each other on the rack assembly. The plurality of dish holders includes first and second dish holders having different heights disposed adjacent to one another.

Abstract: A dishwasher is disclosed which includes a rack arranged inside of a washing cabinet, a plurality of shelves arranged on the rack, and a shelf holder installed on the tack. The shelf holder may include a plurality of shelf fixing parts that fix the shelves together. The dishwasher so configured is capable of minimizing the number of shelf holders needed to fix a plurality of shelves to a rack and, therefore, simplifies the assembly process.

Abstract: A dishwasher is disclosed which includes a rack disposed inside a washing cabinet, a rack and at least one shelf which is rotatably connected to the rack so as to be rotated to a raised upright position and then to a lowered upright position and held, and which is rotatable to the raised upright position and then rotated to a substantially laid down position. Space utilization is increased as a height of the shelf extending above the shelf is reduced and a size of another rack assembly which may be positioned above the rack assembly may be increased.

Abstract: A dishwasher is disclosed which includes a washing cabinet, a frame disposed within the washing cabinet, and a basket, which is placed on the frame, and whose height is adjustable by a back and forth movement. With this construction, there is no need to lift the basket, rotate it 90°, and reposition the basket to adjust a height of the basket. Rather, it is possible to adjust the height of the basket by a simple operation of pulling the basket forward or pushing it rearward.

Abstract: A washing arm and a dishwasher having the washing nozzle are provided. The washing arm includes a first arm capable of rotating by wash liquid flowing therethrough, and a second arm rotating with respect to the first arm through wash liquid supplied from the first arm.