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Dishwasher with air system

  • US 10,595,706 B2
  • Filed: 06/05/2015
  • Issued: 03/24/2020
  • Est. Priority Date: 07/23/2014
  • Status: Active Grant
First Claim
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1. A dishwasher for treating dishes according to an automatic cycle of operation comprising:

  • a tub at least partially defining a treating chamber receiving the dishes for treatment;

    an airflow conduit having an inlet section fluidly coupling ambient air to the tub, an outlet section fluidly coupling the tub to the ambient air, and a bypass section fluidly coupling the inlet section to the outlet section and bypassing the tub;

    a dual blower assembly fluidly coupled to the airflow conduit and comprising a first impeller and a second impeller, the first impeller partitioned from the second impeller, the first impeller effecting a flow of ambient air through the inlet section to the treating chamber, where the ambient air delivered to the treating chamber mixes with air in the treating chamber to form mixed air, the second impeller effecting a flow of the mixed air from the treating chamber through the outlet section and exhausting the mixed air through an exhaust outlet, and at least one of the first and second impellers effecting the flow of ambient air from the inlet section, through the bypass section, and to the outlet section; and

    a condenser provided in the outlet section to receive the mixed air exhausting from the treating chamber and wherein the inlet section is further fluidly coupled with the condenser at a plurality of locations and configured to fluidly couple ambient air to the condenser;

    wherein the bypass section is fluidly coupled with the outlet section at one of upstream of the condenser, downstream of the condenser, or at the condenser to mix ambient air with the mixed air exhausting from the treating chamber; and

    wherein the inlet section is coupled with the tub and with the bypass section downstream of the first impeller such that a portion of the ambient air supplied to the inlet section by the first impeller is supplied to the tub and a portion of the ambient air supplied to the inlet section by the first impeller is supplied to the bypass section.

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