FLUID CIRCULATION SYSTEM FOR DISHWASHER APPLIANCES

摘要

Fluid circulation systems for dishwasher appliances are provided. A dishwasher appliance includes a tub that defines a wash chamber. A fluid circulation system includes a sump for receiving fluid from the wash chamber, the sump comprising a chamber having a sidewall and a base wall. The fluid circulation system further includes a pump, the pump including an impeller disposed within the chamber. The fluid circulation system further includes a filter disposed within the chamber and surrounding the impeller, the filter including a sidewall, the sidewall defining a plurality of perforations extending therethrough. In some embodiments, a volume within the filter is greater than a volume between the sidewall of the chamber and the sidewall of the filter for a given height from the base wall. In some embodiments, volumes of the plurality of perforations increase along a height from the base wall.

主权项

1. A fluid circulation system for a dishwasher appliance, the dishwasher appliance comprising a tub that defines a wash chamber, the fluid circulation system comprising:
a sump for receiving fluid from the wash chamber, the sump comprising a chamber having a sidewall and a base wall; a pump, the pump comprising an impeller disposed within the chamber; and a filter disposed within the chamber and surrounding the impeller, the filter comprising a sidewall, the sidewall defining a plurality of perforations extending therethrough, wherein a volume within the filter is greater than a volume between the sidewall of the chamber and the sidewall of the filter for a given height from the base wall.