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US 2019/0239715 A1Published application
Dishwasher appliance with a fine filter
AssigneeHaier US Appliance Solutions, Inc.
InventorRamasamy Thiyagarajan
Life of this patent
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Abstract
A dishwasher appliance includes a filter assembly positioned between a pump and a spray body along a flow path between the pump and the spray body. The filter assembly includes a cylindrical filter medium positioned within a housing proximate an inlet of the housing. A plurality of vanes is distributed around the cylindrical filter medium. The plurality of vanes is rotatable about the cylindrical filter medium.
Claims19
A dishwasher appliance, comprising:
- a tub defining a wash chamber;
- a spray body positioned within the wash chamber of the tub;
- a pump operable to flow wash fluid to the spray body;
- and
- a filter assembly positioned between the pump and the spray body along a flow path between the pump and the spray body, the filter assembly comprising
- a housing defining an inlet and a recirculation outlet, the inlet of the housing coupled to the pump such that unfiltered wash fluid from the pump enters the housing at the inlet of the housing during operation of the pump, the recirculation outlet of the housing coupled to the spray body such that filtered wash fluid exits the housing towards the spray body at the recirculation outlet of the housing during operation of the pump;
- a cylindrical filter medium positioned within the housing proximate the inlet of the housing;
- and
- a plurality of vanes distributed around the cylindrical filter medium, the plurality of vanes rotatable about the cylindrical filter medium.
6 more elements
A dishwasher appliance, comprising:
- a tub defining a wash chamber;
- a spray body positioned within the wash chamber of the tub;
- a pump operable to flow wash fluid to the spray body;
- and
- a filter assembly positioned between the pump and the spray body along a flow path between the pump and the spray body, the filter assembly comprising
- a housing defining an inlet and a recirculation outlet, the inlet of the housing coupled to the pump such that unfiltered wash fluid from the pump enters the housing at the inlet of the housing during operation of the pump, the recirculation outlet of the housing coupled to the spray body such that filtered wash fluid exits the housing towards the spray body at the recirculation outlet of the housing during operation of the pump;
- a cylindrical filter medium mounted within the housing proximate the inlet of the housing such that the cylindrical filter medium is fixed relative to the housing, the cylindrical filter medium defining a plurality of holes that extend through the cylindrical filter medium, each of the plurality of holes sized for filtering particles in a range between no less than fifty microns and no greater than six hundred microns;
- and
- a plurality of vanes distributed around the cylindrical filter medium, the plurality of vanes rotatable about the cylindrical filter medium.
6 more elements
Dependencies are inferred from the claim text.