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US 2006/0231122 A1Published application
Dishwasher with counter-convection air flow
AssigneeArk-Les Corporation
InventorsWalter Stelzer, Mark Brewer, Kenyon Hapke
Life of this patent
Estimating the term…
Abstract
A dishwasher provides forced air flow in a counter-convectional direction so as to exhaust air out of a bottom portion of the washing volume in contrast to normal convective air flow.
Claims27
A dishwasher comprising:
- a housing providing a washing volume for receiving dishes and including a door openable for access to the washing volume and closable for containing wash water within the housing;
- at least a first and second opening in the housing communicating between an outside and inside of the washing volume wherein the second opening communicates with the washing volume at an area proximate a bottom of the washing volume;
- and
- a blower operating during a dish drying cycle to move air into the washing volume through the first opening and to exhaust air out of the washing volume through the second opening.
1 more element
A dishwasher comprising:
- a housing providing a washing volume for receiving dishes and including a door openable for access to the washing volume and closable for containing wash water within the housing;
- at least a first and second opening in the housing communicating between an outside and inside of the washing volume;
- and
- a blower operating during a dish drying cycle to move air downward through the washing volume, the air entering the washing volume through the first opening and exiting the washing volume through the second opening.
1 more element
A method of controlling a dishwasher having a housing providing a washing volume for receiving dishes and including a door openable for access to the washing volume and closable for containing wash water within the housing, the dishwasher further including blower operating to exhaust air from the washing volume, the method comprising the steps of:
- (a) washing dishes in the washing volume during a wash cycle using heated water to heat the dishes above an ambient temperature;
- and
- (b) after the wash cycle, operating the blower to exhaust the volume of the washing volume so that the volume of air in lower portions of the washing volume is exhausted from the washing volume before air in upper portions of the washing volume.
A dishwasher comprising:
- a housing providing a washing volume for receiving dishes and including a door openable for access to the washing volume and closable for containing wash water within the housing;
- at least a first and second opening in the housing communicating between an outside and inside of the washing volume;
- a blower operating during a dish drying cycle to move air through the washing volume;
- and
- a means closing one of the first and second openings when the blower is not operating.
2 more elements
Dependencies are inferred from the claim text.