Patent ID: 8377228

Claim:
A fluid filtration assembly for a dishwasher system including a tub defining a washing chamber configured to receive dishwasher contents, said fluid filtration assembly comprising: a spray arm assembly configured to distribute fluid within the washing chamber; a spray arm hub coupled to the spray arm assembly; a filter assembly comprising a filter body defining a fluid inlet at one end coupled to the spray arm hub and a soil outlet at another end, the fluid inlet being, configured to receive wash fluid from the spray arm hub; a soil collection chamber coupled in flow communication with said soil outlet at the another end of the filter body and configured to receive soil filtered by said filter assembly; wherein the filter body extends between the spray arm hub and the soil collection chamber with the fluid inlet being disposed higher relative to the soil outlet, and the filter body is angled relative to the spray arm hub and the soil collection chamber; a single pump assembly coupled between the spray arm hub and the soil collection chamber and configured to direct fluid to one of the spray arm assembly and said soil collection chamber, said single pump assembly defining a pump cavity; a valve assembly movable between a first position and a second position, wherein said valve assembly is coupled in flow communication with the spray arm assembly and said soil collection chamber, with said valve assembly in the first position, said pump assembly is configured to direct fluid to the spray arm assembly, and with said valve assembly in the second position, said pump assembly is configured to direct fluid only into said soil collection chamber, wherein said valve assembly prevents flow communication between the spray arm assembly and said pump assembly when said valve assembly is in the second position, the valve assembly being disposed within the pump assembly; and a check valve separate from the valve assembly and in flow communication with the soil outlet and soil collection chamber and configured to regulate fluid flow between said filter assembly and said soil collection chamber.