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US 9,034,112 B2Granted
Dishwasher with shared heater
AssigneeWhirlpool Corporation
InventorsBarry E. Tuller, Rodney M. Welch
Life of this patent
Estimating the term…
Abstract
An automatic dishwasher having a heater shared by the recirculation system and the air supply system to heat the liquid in the recirculation system and the air in the air supply system.
Claims24
A dishwasher comprising:
- a tub at least partially defining a treating chamber for receiving dishes;
- a recirculation system comprising a wash unit having a housing, with an inlet fluidly coupled to the tub and an outlet fluidly coupled to the tub, and a filter element located in the housing and fluidly disposed between the inlet and outlet;
- an air supply system having an air supply conduit fluidly coupled to the tub for supplying air to the tub and where the air supply conduit is fluidly separate from an interior of the housing;
- and
- a heater mounted to an outside of the housing and shared by the recirculation system and the air supply system to heat liquid in the housing and air in the air supply conduit.
2 more elements
A dishwasher comprising:
- a tub at least partially defining a treating chamber for receiving dishes;
- a sump having a housing, with an inlet fluidly coupled to the tub and an outlet fluidly coupled to the tub, and collecting liquid supplied to the tub;
- a recirculation system fluidly coupling the housing and the tub to recirculate the liquid;
- an air supply system having an air supply conduit at least partially enveloping the housing and fluidly coupled to the tub;
- and
- a heater provided on a portion of an exterior of the housing enveloped by the air supply conduit;
- wherein the air supplied to the tub through the air supply conduit and the liquid in the sump are heated by the heater.
4 more elements
Dependencies are inferred from the claim text.