Patent · US Expired

Method for operating a dishwashing machine and maintaining the active oxygen content in the wash tank

US5288331A · kind A · utility

19Cited by

9References

21Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Friedel Rings · Monheim, DE
Karl-Heinz Odendahl · Grevenbroich, DE
Horst Pruehs · Goldkronach, DE

Key dates

Filing date	Feb 18, 1992
Grant date	Feb 22, 1994
Priority date	—
Expiry date	Feb 18, 2012

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47L15/0055
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A dishwashing machine includes a washing tank for receiving wash water, and a detergent from a detergent dispensing system. A separate dosing system includes a tank for storing bleach, and a pump for supplying bleach from the bleach tank to the washing tank in measured quantities at predetermined times to maintain a desired active oxygen content therein over a complete cycle of operation.

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