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US 2011/0214702 A1Published application
Dishwasher with separate sump for concentrated fluid supply
AssigneeWhirlpool Corporation
InventorsBoma M. Brown-West, Kristopher L. Delgado, Janice M. Kaeding, Jamie M. Mcqueen, Sathish A. Sundaram, Tremitchel Wright
Life of this patent
Estimating the term…
Abstract
A dishwasher includes a main sump that holds the main wash fluid supply, and a separate sump formed in the bottom wall of the tub away from the main sump. The separate sump holds a concentrated wash fluid supply. The separate sump supplies wash fluid for washing periods in which a highly concentrated chemistry mixture is desired.
Claims20
A dishwashing machine, comprising:
- a tub having a bottom wall, a top wall, and a plurality of side walls defining a wash chamber,
- a number of dish racks movably positioned in the wash chamber,
- a first sprayer located adjacent a first portion of the dish racks,
- a second sprayer spaced from the first sprayer and located adjacent a second portion of the dish racks,
- a first sump formed in the bottom wall of the tub, the first sump supplying wash fluid to the first sprayer, and
- a second sump formed in the bottom wall of the tub and spaced from the first sump, the second sump supplying wash fluid to the second sprayer, wherein the wash fluid supplied by the second sump has a higher wash chemistry concentration than the wash fluid supplied by the first sump.
3 more elements
A dishwashing machine, comprising:
- a tub having a bottom wall, a top wall, and a plurality of side walls defining a wash chamber,
- a number of dish racks movably positioned in the wash chamber,
- a spray system including a number of sprayers located adjacent to the dish racks,
- a first sump formed in the bottom wall of the tub, the first sump in fluid communication with the spray system, the first sump defining a first volume, and
- a second sump formed in the bottom wall of the tub and spaced from the first sump, the second sump being in fluid communication with the spray system, the second sump defining a second volume, wherein the second volume is smaller than the first volume.
2 more elements
Dependencies are inferred from the claim text.