Industrial dishwasher

US5240019A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventor

• Friedel Rings · Monheim, DE

Key dates

• Filing date: Mar 26, 1992
• Grant date: Aug 31, 1993
• Expiry date: Mar 26, 2012

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A47L2501/07
• WIPO field: Furniture, games
• WIPO sector: Other fields

Abstract

In an industrial dishwasher a cleaning solution which is highly concentrated relative to the rinsing water is recirculated in a washing region over items to later be rinsed, whereby the cleaning solution is directed into a collector trough, where the level of the solution is maintained automatically through use of a metering tank juxtaposed to the collector trough, whereby the metering tank collects rinse water, and a non-return flap valve located between the collector trough and metering tank provides for rinse water to flow from the metering tank into the collector trough only at such times when the level of the cleaning solution in the collector trough is lower than the level of the rinse water in the metering tank at upper-most regions thereof.