Patent · US Active

Dishwasher with separate sump for concentrated fluid supply

US8337631B2 · kind B2 · utility

4Cited by

20References

20Claims

0Family size

Assignee

WHIRLPOOL CORPORATION · US

Inventors

Boma M. Brown-West · Somerville, US
Kristopher L. Delgado · Stevensville, US
Janice M. Kaeding · Lawrence, US
Jamie M. McQueen · Overland Park, US
Sathish A. Sundaram · Benton Harbor, US
Tremitchel Wright · Elkhart, US

Key dates

Filing date	Mar 8, 2010
Grant date	Dec 25, 2012
Priority date	—
Expiry date	Nov 6, 2030

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47L2601/00
WIPO fieldChemical engineering
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.