Dishwasher having dedicated sprayer for silverware basket
AssigneeWhirlpool Corporation
InventorsRoger James Bertsch, David Hung-Chih Chen, Brian Lee Greenhaw, Jeffrey R. Taylor
Life of this patent
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Abstract
A method and apparatus for providing multiple spray zones to different subportions of a silverware basket within the wash chamber of a dishwasher.
Claims19
An automatic dishwasher comprising:
- a tub defining a wash chamber;
- a rack provided in the wash chamber for holding dishes for washing;
- a stationary silverware basket located in the wash chamber;
- a stationary dedicated sprayer for the silverware basket located in the tub and having multiple, independently operable spray zones, each spray zone corresponding to and directed toward a different subportion of the silverware basket;
- a liquid supply system fluidly coupled to the dedicated sprayer and cycling a supply of liquid between each of the multiple spray zones to spray the corresponding subportion of the silverware basket such that the entire silverware basket is sprayed one subportion at a time.
A method for delivering liquid to a stationary silverware basket of a dishwasher having a tub defining a wash chamber, a rack for holding dishes located in the wash chamber, a rotatable spray arm providing a generalized spray of liquid to the rack, and a stationary dedicated sprayer for the silverware basket, the silverware basket being located in the wash chamber, the method comprising:
- emitting a spray of liquid from the stationary dedicated sprayer from independently operable spray zones toward the stationary silverware basket, with each of the spray zones corresponding to a different subportion of the silverware basket to spray the entire silverware basket with liquid;
- and
- cycling the emitting a spray of liquid between the independently operable spray zones to spray the entire silverware basket one subportion at a time.
Dependencies are inferred from the claim text.