A47L15/4208

DISHWASHER, METHOD AND CONTROL SYSTEM FOR HANDLING CLOGGING CONDITION
20190357749 · 2019-11-28 ·

A method for handling a clogging condition in a dishwasher may include detecting the clogging condition; upon detecting the clogging condition, interrupting a wash cycle of the dishwasher and executing a remedial operation to remove the clogging condition. The remedial operation may include executing a drain operation for a predetermined drain time during which a drain pump may be continuously or intermittently operated to drain water from a sump of the dishwasher; following the drain operation, executing a fill operation for a predetermined fill time during which a fill valve may be continuously or intermittently activated to add water to the dishwasher; and following the fill operation, executing a circulation operation during which a circulation pump may be continuously or intermittently operated to remove the clogging condition. A dishwasher and a control system for handling a clogging condition are also provided.

HYDRAULIC MANIFOLD ASSEMBLY FOR A DISHWASHER APPLIANCE

A dishwasher appliance includes a wash tub that defines a wash chamber, a sump for collecting wash fluid, a wash pump assembly in fluid communication with the sump for circulating the wash fluid, a diverter assembly fluidly coupled to the wash pump assembly for selectively directing the wash fluid, and a hydraulic manifold assembly fluidly coupled to the diverter assembly. The hydraulic manifold assembly includes a lower portion positioned over a diverter housing of the diverter assembly to at least partially define a diverter chamber of the diverter assembly and an upper portion joined to the lower portion to define a filter cleaning manifold and one or more spray arm channels.

DISHWASHER COMPRISING A HYDRAULIC ARRANGEMENT FOR CLEANING A FILTER DEVICE, AND METHOD
20190328205 · 2019-10-31 ·

A dishwasher includes a dishwashing container accommodating items to be washed. A first hydraulic arrangement is provided to wash the items by a dishwashing fluid and includes a spray device arranged in the dishwashing container, a sump arranged below the dishwashing container, a filter device configured to filter the dishwashing fluid in the dishwashing container and/or the sump, and a circulating pump configured to circulate the dishwashing fluid to the spray device. A second hydraulic arrangement is provided for cleaning the filter device by a cleaning fluid. The second hydraulic arrangement includes the filter device, the sump, a pump arrangement, a storage device for holding the cleaning fluid, a cleaning device for spraying at least one segment of the filter device with the cleaning fluid, and an auxiliary pump arranged between the storage device and the cleaning device for applying pressure to the cleaning fluid.

Self-cleaning filtration system for a dishwasher

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.

Home appliance having a filter
10449552 · 2019-10-22 · ·

A household appliance can include a tub at least partially defining a treating chamber for holding liquid with an access opening, a nozzle emitting liquid into the treating chamber, a recirculation circuit fluidly coupling the treating chamber to the nozzle. The recirculation circuit can include a recirculation pump and a filter having a housing with an inlet and an outlet, ferrite particles located within the housing, and a magnet having a first operational state and a second operational state.

REDUCED SOUND WITH A ROTATING FILTER FOR A DISHWASHER
20190313877 · 2019-10-17 ·

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.

Fluid pump volute diversion system, solids collection system and related methods for a washing machine

A fluid pump volute offshoot system for debris diversion and collection, a solids collection system, and related methods, for a pot and pan, or other, similar, washing machine is provided.

Spray assemblies for dishwasher appliances

A spray assembly for a dishwasher appliance is provided. The spray assembly is pivotally mounted over a wash rack and includes one or more spinning nozzles for directing a flow of wash fluid onto articles placed within the wash rack. The spinning nozzles are rotatably mounted to the spray assembly and include one or more vanes that harness the flow of wash fluid to rotate the spinning nozzle. The spinning nozzle has one or more discharge orifices that direct the flow of wash fluid onto articles in the wash chamber in a circular pattern as the spinning nozzle rotates, resulting in better spray coverage with fewer nozzles.

Filter assembly for a dishwasher appliance

A filter assembly includes a first filter member including a first filter panel which defines a central axial aperture and a second filter member including a second filter panel which defines a central axial aperture. The filter assembly further includes a first discharge blade which includes a body and a blade arm, the body defining a central axial bore hole and in contact with the first outer surface of the first filter panel. The filter assembly further includes a second discharge blade which includes a body and a blade arm extending radially from the body, the body defining a central axial bore hole and in contact with the second opposing outer surface of the first filter panel and the first outer surface of the second filter panel. The filter assembly further includes a washer in contact with the second outer surface of the second filter panel, and a shaft.

DISHWASHER SPRAY FILL
20190269296 · 2019-09-05 ·

Provided are systems, methods, and apparatus for spraying water in a dishwasher. A dishwasher may include a wash chamber and at least one dish rack. The dishwasher may include a water inlet selectively connected to a dish spray device, which may connect a dish spray conduit with the wash chamber. The dish spray device may be oriented towards the at least one dish rack, such that the spray device may be configured to direct water onto the dishes for washing. The water inlet may be selectively connected to a fill device, which may connect the fill conduit with the wash chamber. The fill device may be configured to provide water to the circulation assembly without impinging the at least one dish rack. The one or more valves may selectively direct water from the water inlet to one or both of the dish spray device and the fill device.