A filter assembly for filtering wash fluid to be recirculated by a circulation pump in a dishwasher appliance is provided. The filter assembly includes a first filter member and a second filter member. The first filter member defines a first filter panel and the second filter member defines a second filter panel. The first filter panel is spaced from the second filter panel along an axial direction of the filter assembly and is configured in series flow with the second filter panel. More particularly, the first and second filter panels are configured such that wash fluid is filtered by the first filter panel and by the second filter panel prior to being recirculated by the circulation pump.

A fluid circulation system for dishwasher appliances includes a sump and a pump. The fluid circulation system further includes a filter at least partially disposed within a chamber of the sump and surrounding an impeller of the pump. The fluid circulation system includes a diverter. The fluid circulation system further includes a cleaning manifold disposed proximate an outer surface of a sidewall of the filter, the manifold defining a plurality of apertures for flowing fluid towards the outer surface of the sidewall of the filter.

A dishwasher with a tub at least partially defining a washing chamber, a liquid spraying system, a liquid recirculation system defining a recirculation flow path, and a liquid filtering system. The liquid filtering system includes a rotating filter disposed in the recirculation flow path to filter the liquid and a flow diverter wherein liquid passing through a gap between the flow diverter and the rotating filter applies a greater shear force on the surface than liquid in an absence of the flow diverter.

A dishwashing appliance with a shrouded filtration assembly for removing dishwashing sediment from recirculated dishwashing fluid is provided. The dishwashing appliance may include a tub, a spray system, a recirculation pump, a drainage pump, and a shrouded filtration assembly in fluid communication with the spray system, the recirculation pump, and the drainage pump. The shrouded filtration assembly may include a lid, a filter frame, and a sump housing.

A method of cleaning a washing machine and components and systems for enabling a user to clean the washing machine are provided. The method includes gaining access to debris that is trapped in otherwise inaccessible and/or concealed areas and/or directing debris out of inaccessible and/or concealed areas. The components include a jet channel that selectively couples to a discharge manifold in use and is removable to provide access to an interior area of the discharge manifold for cleaning. The systems include a removable mount assembly for accessories and a purging system for pumps and other concealed areas. The purging system is configured to discharge purging fluid through a plurality of purging ports and into concealed areas so as to direct debris in the concealed areas out of the concealed areas.

A dishwasher includes a washing tub defining a space that is configured to receive dishes to be washed by wash water, a sump configured to receive and collect wash water flowing from the washing tub, a filter unit disposed at the sump and configured to filter the wash water flowing from the washing tub to the sump, and a cap configured to prevent the wash water received in the sump from flowing from the filter unit to the washing tub.

A dishwasher filtration system includes a coarse filter disposed in a tub of a dishwasher, the coarse filter configured to filter water directed to a main wash pump. The system also includes a soil accumulation chamber configured to receive a portion of water from the main wash pump. The system further includes a fine filter covering an opening of the soil accumulation chamber, the fine filter configured to filter the portion of water received inside the soil accumulation chamber. The system also includes a backwash nozzle configured to supply water to the fine filter. In addition, the system may include a deflector that deflects the water from the backwash nozzle to the fine filter.

The present disclosure relates to a dishwasher equipped with an automatic cleaning filter including a tub 12 provided with a washing space 12a that accommodates cooking vessels, a sump 100 disposed under the washing space 12a and configured to store a washing liquid, an automatic cleaning filter 200 disposed in the sump 100, and a washing pump 150 connected to the sump 100 and configured to re-circulate a washing liquid. The automatic cleaning filter 200 includes a rotating filter 210, an inlet guide 220, a filter housing 230, and a driver 270. The rotating filter 210 includes a plurality of first holes 213 and a lateral surface portion 212 surrounding a predetermined vacant space. The inlet guide 220 includes a first outlet 224 which discharges the washing liquid including foreign substances into the rotating filer 210.

Dishwashing appliances and methods, as provided herein, may include features or steps such as detecting a pressure (P1) at a pressure sensor upstream from a pump while maintaining the pump in an inactive state and activating the pump from the inactive state for an activation period during which the pump remains active to motivate a continuous fluid flow. Dishwashing appliances and methods may further include features or steps for detecting a pressure (P2) at the pressure sensor upstream from the pump during the activation period and initiating a response sequence at the pump based on P1 and P2.

A dishwasher and method utilize an imaging system to perform various diagnostic operations within the dishwasher, including one or more of level sensing, filter cleaning, wash tub rinse down, foam detection, imaging system cleaning, and remote viewing. A controller may clean a filter by controllably-redirecting a controllably-movable sprayer to spray fluid onto the filter.