The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 10, 2004

Filed:

Apr. 17, 2000
Applicant:
Inventors:

Terrence P. Everson, Eagan, MN (US);

Lee M. Monsrud, Inver Grove, MN (US);

Michael P. Kremer, Rosemount, MN (US);

Edward D. Sowle, Woodbury, MN (US);

Assignee:

Ecolab, Inc., St. Paul, MN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L 2/00 ; B08B 7/00 ; D06F 2/900 ; E03B 1/100 ; B01D 1/500 ;
U.S. Cl.
CPC ...
A61L 2/00 ; B08B 7/00 ; D06F 2/900 ; E03B 1/100 ; B01D 1/500 ;
Abstract

A solid detergent dispenser for use with a dishwashing machine includes a chamber and a lid. The chamber is configured and arranged to receive a solid detergent having a particular composition. A water inlet receives water from a water source, and the water flows through a tunnel into the bottom of the chamber. The chamber is flooded with water from the bottom to ensure relatively constant erosion of the solid detergent, which ensures that a relatively constant concentration of the solid detergent is used in the dishwashing machine. A water outlet allows water to flow out of the chamber into the dishwashing machine. The water must flow into the chamber faster than it flows out of the chamber to ensure that the appropriate amount of dissolution of the solid detergent occurs. The only valve used in the preferred embodiment is a valve to control the amount of water flowing into the water inlet.


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