Abstract: A dishwasher appliance includes a wash rack positioned within a wash chamber of a tub above a spray body. The wash rack includes a plurality of integrally formed elongated members that form a bottom wall and a pair of side walls. The integrally formed elongated members of the bottom wall form a pair of container support portions and a well portion, and the well portion of the bottom wall is positioned below the container support portions of the pair of container support portions. A related method for forming a wash rack for a dishwasher appliance is also provided.

Abstract: Bottle washer assemblies for dishwasher appliances are provided. A bottle washer assembly includes a main conduit defining a main passage for flowing wash fluid therethrough. The bottle washer assembly further includes a spray tine, the spray tine including a conduit defining a passage for flowing wash fluid therethrough. The passage is in selective fluid communication with the main passage. The conduit is movable between a first position wherein wash fluid flow into the passage is permitted and a second position wherein wash fluid flow into the passage is restricted relative to the wash fluid flow in the first position.

Abstract: A diverter for a dishwasher appliance that can be used to provide more options for directing fluid among various spray arms or spray devices in a dishwasher appliance. The diverter can be used e.g., to select between fluid delivery to both the upper and lower spray arm assemblies or to both the upper and middle spray arm assemblies.

Abstract: Filter assemblies for filtering wash fluid to be circulated by a circulation pump in a dishwasher appliance are provided. A filter assembly includes a first filter member, a second filter member, a first discharge blade, and a second discharge blade. The filter assembly further includes a shaft extending through the first filter member, the second filter member, a first central bore hole of the first discharge blade, and a second central bore hole of the second discharge blade. The shaft includes a body which has an outer surface, the outer surface including a first threaded portion, a second threaded portion, a first unthreaded portion, and a second unthreaded portion. The plurality of first inner threads mesh with the first threaded portion and the plurality of second inner threads mesh with the second threaded portion.

Abstract: A spray assembly for a dishwasher appliance is provided. The spray assembly includes a base unit and a mounting bracket rotatably mounted to the base unit. A spray arm is selectively secured to the mounting bracket. The mounting bracket includes features for engaging the spray arm and hindering undesired detachment of the spray arm from the mounting bracket.

Abstract: The present subject matter provides a spray assembly for a dishwasher appliance. The spray assembly includes a spray arm, a bearing, and a bracket for mounting the spray assembly to a dishwasher appliance. The spray arm is mounted for rotation relative to the bearing, and the bearing is mounted to the bracket. The spray assembly includes features for rotating the bearing relative to the bracket with the spray arm. Such rotation can assist with mounting of the bearing to the bracket.

Abstract: Spray arm assemblies for dishwasher appliances are provided. In some embodiments, a spray arm assembly includes a first spray arm, the first spray arm including an inner arm member and an outer arm member, the inner arm member defining an interior and extending along a longitudinal axis, the outer arm member generally concentric with and surrounding the inner arm member. The inner arm member is rotatable about the longitudinal axis. The inner arm member defines an inner slot extending helically along the longitudinal axis. The outer arm member defines an outer slot extending generally linearly along the longitudinal axis.

Abstract: Spray arm assemblies for dishwasher appliances are provided. A spray arm assembly includes a first spray arm. The first spray arm includes an arm member, the arm member defining an interior and a plurality of apertures in fluid communication with the interior. The arm member further extends along and is rotatable about a longitudinal axis. The spray arm assembly further includes a central housing defining and rotatable about a central axis, the central axis generally perpendicular to the longitudinal axis. In some embodiments, the spray arm assembly further includes a bevel drive assembly disposed within the central housing. The bevel drive assembly is configured to rotate the arm member about the longitudinal axis when the central housing rotates about the central axis. The bevel drive assembly includes a drive member, an axle member, and an idler member, the axle member mounted to the arm member.

Abstract: A spray control assembly for a dishwashing appliance is provided. Using concentric flow paths, the spray control assembly allows selection of e.g., the rotational direction for at least one spray arm assembly. The selection of flow through e.g., multiple different spray assemblies is also provided. The spray control assembly incorporates a diverter having multiple port selections.

Abstract: A filter assembly for a dishwasher appliance is provided including a first filter, a second filter, and a backflow device. The backflow device is positioned within the second filter and movably attached to the second filter, such that backflow device is movable between an open position and a closed position. When in the closed position, the backflow device prevents a flow of fluid through an inlet of the second filter.

Abstract: The present invention provides a dishwasher appliance and a diverter for a dishwasher appliance. The diverter uses a turbine powered by a flow of fluid from a pump to switch between different outlet ports. In a dishwasher appliance, fluid from the pump that, e.g., supplies one or more spray assemblies can be used to cause the diverter to switch between different fluid outlets and the different spray assemblies or other fluid-using elements. A separate motor to power the diverter or cycling of the pump to change the position of the diverter is not required, which allows a savings in energy usage, costs, and space.

Abstract: A dishwasher appliance includes a mid-level spray arm assembly and a diverter disposed in a conduit of the assembly. The diverter includes a disk positioned within a chamber and rotatable about an axis, the disk defining an aperture for selectively controlling fluid flow from the chamber into outlet channels, the disk movable along the axial direction between a first position and a second position, the disk defining a channel and a plurality of cams projecting into the channel. The diverter further includes a biasing element configured to urge the disk into the first position, and a boss extending from the housing into the channel of the disk, the boss defining a plurality of guide elements. The guide elements and cams are configured to interact so that movement of the disk along the axial direction between the first position and the second position causes the disk to rotate about the axis.

Abstract: A spray arm assembly includes a spray arm including a plurality of branches connected to each other and arrayed about a center point, each of the plurality of branches defining a passage therethrough and an aperture in fluid communication with the passage. The center point defines a spray arm central axis. The spray arm is rotatable about the spray arm central axis. The spray arm assembly further includes a base conduit defining a passage therethrough, the base conduit defining a base conduit central axis. The spray arm assembly further includes an intermediate conduit connecting the base conduit and the spray arm, the intermediate conduit defining a passage in fluid communication between the passage of the base conduit and the passages of the plurality of branches. The intermediate conduit is rotatable about the base conduit central axis. The spray arm central axis is offset from the base conduit central axis.

Abstract: A dishwasher appliance is provided with a spray arm assembly. The spray arm assembly defines an orifice for directing liquid out of the spray arm assembly. The orifice can selectively receive a nozzle with a particular outlet geometry. By selectively receiving the nozzle, a spray pattern of liquid exiting the orifice can be changed by replacing or modifying the nozzle without remanufacturing or replacing the spray arm assembly.

Abstract: Dishwasher appliances and spray arm assemblies for dishwasher appliances are provided. An assembly includes an indexing assembly disposed between a conduit and a plurality of spray arms. The indexing assembly includes a disk rotatable about an axis and movable along an axial direction between a first position and a second position, the disk defining an aperture and a channel and comprising a plurality of cams projecting into the channel. The indexing assembly further includes a biasing element configured to urge the disk into the first position, and a boss assembly, the boss assembly comprising a boss extending into the channel of the disk, the boss defining a plurality of guide elements. The guide elements and cams are configured to interact such that movement of the disk along the axial direction between the first position and the second position causes the disk to rotate about the axis.

Abstract: The present subject matter provides a base element for an appliance. The base element includes a projected portion and an inset portion. The inset portion has a different height than the projected portion such that the inset portion is configured for receipt of flooring.

Abstract: A gravity and flow operated diverter valve diverts liquid flow from one source to either of two output destinations. The valve includes a housing, an inlet opening, a first outlet opening and a second outlet opening. A valve member is located coaxially in the housing interior, the valve member having at least one flow path extending axially therethough, an exterior edge of the valve member and an interior surface of the side wall having a cooperating cam follower structure defining a cyclic path, the path having at least two no flow positions in which the valve member is spaced from the upper wall, and at least two flow positions in which the flow path in the disc selectively allows communication with one or both of the first and second outlet openings, the cyclic path arranged so that on successive liquid flows into the inlet opening the valve member cycles between the at least two flow positions to selectively direct flow out of one or both of the first and second outlet openings.

Abstract: A dishwasher appliance includes a mid-level spray arm assembly and a diverter disposed in a conduit of the assembly. The diverter includes a disk positioned within a chamber and rotatable about an axis, the disk defining an aperture for selectively controlling fluid flow from the chamber into outlet channels, the disk movable along the axial direction between a first position and a second position, the disk defining a channel and a plurality of cams projecting into the channel. The diverter further includes a biasing element configured to urge the disk into the first position, and a boss extending from the housing into the channel of the disk, the boss defining a plurality of guide elements. The guide elements and cams are configured to interact so that movement of the disk along the axial direction between the first position and the second position causes the disk to rotate about the axis.

Abstract: A spray control assembly for a dishwashing appliance is provided. Using concentric flow paths, the spray control assembly allows selection of e.g., the rotational direction for at least one spray arm assembly. The selection of flow through e.g., multiple different spray assemblies is also provided. The spray control assembly incorporates a diverter having multiple port selections.

Abstract: A dishwasher has a wash chamber and sump disposed below the wash chamber, wherein wash fluid supplied to the wash chamber collects in the sump. A main pump is configured to drawn wash fluid from the sump and supply the wash fluid to the wash chamber, for example via spray arm assemblies. A filter is operably disposed to filter the wash fluid recirculated by the main pump. A backflush line has an outlet disposed downstream of the filter, and a backflush pump is configured to supply backflush fluid through the backflush line against the filter. A reservoir separate from the sump is provided and sized to hold a measured amount of fluid. The backflush pump draws the backflush fluid from the reservoir at a defined time.