Dishwasher for treating dishes
First Claim
Patent Images
1. A pump and filter assembly, comprising:
- an impeller,a housing defining an interior and exterior and where the housing includes an end plate defining an end of the housing and the end plate further defining a channel that extends inwardly towards the interior, and an inlet opening provided within the end plate; and
a filter having an upstream surface and a downstream surface, the filter located within the interior such that liquid being pumped through the pump and filter assembly passes through the filter from the upstream surface to the downstream surface to effect a filtering of the liquid; and
a heater having a heating element and where at least a portion of the heating element is received exteriorly of the housing and within the channel such that the heating element is located on the end of the housing adjacent the inlet opening of the housing and the heater encircles at least a portion of the inlet opening of the housing and where the heater is configured to heat liquid that has passed through the inlet opening of the housing.
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Abstract
A dishwasher for treating dishes according to at least one cycle of operation including a tub at least partially defining a treating chamber for receiving the dishes, at least one sprayer, a liquid recirculation system, a liquid filtering system including a housing defining and a filter located within the interior and a heater configured to heat liquid that has passed through the inlet opening of the housing.
109 Citations
20 Claims
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1. A pump and filter assembly, comprising:
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an impeller, a housing defining an interior and exterior and where the housing includes an end plate defining an end of the housing and the end plate further defining a channel that extends inwardly towards the interior, and an inlet opening provided within the end plate; and a filter having an upstream surface and a downstream surface, the filter located within the interior such that liquid being pumped through the pump and filter assembly passes through the filter from the upstream surface to the downstream surface to effect a filtering of the liquid; and a heater having a heating element and where at least a portion of the heating element is received exteriorly of the housing and within the channel such that the heating element is located on the end of the housing adjacent the inlet opening of the housing and the heater encircles at least a portion of the inlet opening of the housing and where the heater is configured to heat liquid that has passed through the inlet opening of the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A pump and filter assembly, comprising:
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a housing defining an interior and having an end plate that defines an end of the housing, the end plate also defines a channel with convolutions extending from a portion of the end plate into the housing, an inlet opening is provided at the end of the housing; a filter having an upstream surface and a downstream surface and located within the interior such that liquid passes through the filter from the upstream surface to the downstream surface to effect a filtering of the liquid; and a heater having a heating element located on the end of the housing adjacent the inlet opening of the housing and configured to heat liquid that has passed through the inlet opening of the housing and where at least a portion of the heating element is received within the channel. - View Dependent Claims (17, 18, 19, 20)
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Specification