Rotating filter for a dishwasher and methods of cleaning a rotating filter
First Claim
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1. A dishwasher for treating dishes according to an automatic cycle of operation, comprising:
- a tub at least partially defining a treating chamber;
a sprayer spraying a liquid into the treating chamber;
a recirculation circuit fluidly coupling the treating chamber to the sprayer and recirculating sprayed liquid back to the sprayer for subsequent spraying;
a rotating filter located within the recirculation circuit and filtering liquid passing through the recirculation circuit; and
a granular agent reservoir in open communication with at least a portion of the rotating filter and storing a granular agent, which contacts and scours the rotating filter to clean the filter during rotation.
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Accused Products
Abstract
A dishwasher with a tub at least partially defining a washing chamber, a liquid spraying system, a liquid recirculation circuit, and a liquid filtering system where the liquid filtering system includes a rotating filter and where a granular agent contacts the rotating filter to clean the filter. Methods of cleaning a rotating filter provided within a liquid flow by scouring the filter with a granular agent.
122 Citations
34 Claims
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1. A dishwasher for treating dishes according to an automatic cycle of operation, comprising:
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a tub at least partially defining a treating chamber; a sprayer spraying a liquid into the treating chamber; a recirculation circuit fluidly coupling the treating chamber to the sprayer and recirculating sprayed liquid back to the sprayer for subsequent spraying; a rotating filter located within the recirculation circuit and filtering liquid passing through the recirculation circuit; and a granular agent reservoir in open communication with at least a portion of the rotating filter and storing a granular agent, which contacts and scours the rotating filter to clean the filter during rotation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A dishwasher for treating dishes according to an automatic cycle of operation, comprising:
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a tub at least partially defining a treating chamber; a sprayer spraying a liquid into the treating chamber; a recirculation circuit fluidly coupling the treating chamber to the sprayer and recirculating sprayed liquid back to the sprayer for subsequent spraying; a rotating filter located within the recirculation circuit and filtering liquid passing through the recirculation circuit; and a granular agent supply comprising a granular agent configured to be dispensed from the granular agent supply into contact with the rotating filter such that the granular agent cleans the rotating filter by scouring the rotating filter. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification