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US 8,007,598 B2Granted
Dishwasher having multiple spray zones
AssigneeWhirlpool Corporation
InventorsDavid Hung-Chih Chen, Brian Lee Greenhaw, Mark D. Kerber, Carl A. Rotter, Jeffrey R. Taylor
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Abstract
A method and apparatus for providing multiple spray zones, including a localized spray zone for an upper rack and a silverware spray zone for a silverware basket, within the wash chamber of a dishwasher.
Claims16
An automatic dishwasher comprising:
- a tub defining a wash chamber with an open face;
- a door for selectively closing the open face;
- an upper rack having a bottom located within the wash chamber;
- a silverware basket located in the wash chamber beneath the upper rack;
- an upper spray arm rotatably mounted to the bottom of the upper rack and providing a liquid spray upwardly through the bottom of the upper rack to define a generalized spray zone for the entire upper rack;
- and
- an auxiliary sprayer carried by the upper rack and having a localized spray zone directed upwardly to a discrete portion of the upper rack and a silverware spray zone directed downwardly onto the silverware basket.
4 more elements
Dependencies are inferred from the claim text.