Water inlet flush for dishwasher filter

摘要

A fluid filtration assembly for a dishwasher system is described. The dishwasher system includes a tub defining a wash chamber configured to receive dishwasher contents. The fluid filtration assembly includes a filter assembly having a filter material, a filter fluid inlet, and a filter fluid outlet. The filter fluid inlet is in flow communication with the wash chamber and the filter material. The filter assembly further includes a cleaning fluid inlet that is configured to backflush the filter material. The filter fluid outlet is in flow communication with both the cleaning fluid inlet and the filter fluid inlet. The fluid filtration assembly further includes a valve assembly in flow communication with the cleaning fluid inlet through a first flow path.

主权项

1. A fluid filtration assembly for a dishwasher system including a tub defining a wash chamber configured to receive dishwasher contents, the fluid filtration assembly comprising:
a main pump assembly; a filter assembly comprising a filter material, a filter fluid inlet, and a filter fluid outlet, the filter fluid inlet being in flow communication with the wash chamber and the filter material, the filter assembly defining a normal flow direction wherein wash fluid flows from the filter fluid inlet to the filter fluid outlet; and a valve assembly defining an inlet directly connected with an outside water supply, a first outlet in flow communication with a first flow path, and a second outlet in flow communication with the main pump assembly, wherein the valve assembly is positioned upstream of the main pump assembly as defined by a flow from the outside water supply, and wherein the first flow path is configured to route water directly from the valve assembly to within the filter assembly, such that water from the outside water supply is used to backflush the filter assembly and clean lodged debris or sediment.