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US 7,980,395 B2Granted
Cross-flow filtration system
AssigneeWhirlpool Corporation
InventorDennis L. Kehl
Life of this patent
Estimating the term…
Abstract
An apparatus and method for filtering working fluid in an appliance with a cross-flow filter located within a recirculation circuit.
Claims5
An appliance comprising:
- a washing chamber for holding articles to be washed;
- a recirculation circuit for recirculating working fluid in the wash chamber;
- a cross-flow filter located within the recirculation circuit for filtering particles from the working fluid;
- a rotating disc spaced from the cross-flow filter for enhancing a shear force associated with the working fluid passing along the cross-flow filter;
- and
- a pump for recirculating the working fluid at a rate sufficient to dislodge particles from the cross-flow filter.
3 more elements
An appliance comprising:
- a washing chamber for holding articles to be washed;
- a recirculation circuit for recirculating working fluid in the wash chamber;
- a cross-flow filter located within the recirculation circuit for filtering particles from the working fluid;
- and
- a rotating disc spaced from the cross-flow filter for enhancing a shear force associated with the working fluid passing along the cross-flow filter.
2 more elements
Dependencies are inferred from the claim text.