Automated cleaning method and apparatus
AssigneeEcolab USA Inc.
InventorsLee J. Monsrud, Paul J. Mattia
Life of this patent
Estimating the term…
Abstract
An automated method and apparatus for cleaning articles by direct application of concentrated product to a soiled surface of the article is disclosed. The article type is identified and a product dispensing sequence is activated to control the type of product dispensed onto the articles based on the article type and/or soil type on the article. Product, duration, and other parameters are tailored according to the article type and/or soil type during each sequence of the wash cycle. Product, wash and rinse liquids are applied at specific locations and from specific directions from within the cleaning apparatus based upon the article type and/or soil type on the article.
Claims19
An automated cleaning method for a cleaning apparatus having a wash tank and utilizing a wash liquid comprising:
- identifying a type of article to be cleaned, said type of article positioned at least partially within the wash tank;
- determining a product in concentrated form to dispense based on the identified type of the article to be cleaned and a water type, wherein the concentrated product comprises oxidant, chelant, enzyme, or surfactant;
- increasing a detergent concentration in the wash liquid from a baseline concentration if hard water is detected;
- sensing a water condition with a water condition sensor;
- tailoring, with a controller, a product dispensing sequence, a wash sequence, a rinse sequence, or a detergent amount based upon the type of article and the water condition;
- directly applying article with the product in concentrated form with one of the lower spray points and upper spray points to the article, based, at least in part, on the identified type of the article;
- and
- cleaning the article at least in part with the wash liquid.
An automated cleaning method comprising:
- providing a cleaning apparatus having lower spray points, upper spray points, a chemical dispenser including a plurality of concentrated products, and a wash tank including a wash liquid;
- identifying a type of article comprising a ware to be cleaned, said ware positioned at least partially within the wash tank;
- determining at least one of the plurality of concentrated products to dispense onto the ware based on the type article of the ware, said concentrated product selected from the plurality of products in concentrated form in the chemical dispenser for cleaning different types of articles;
- tailoring, with a controller, a product dispensing sequence, a wash sequence, a rinse sequence, or a detergent amount based upon the type of article and a water condition;
- directly spraying the ware with the concentrated product via one or both of the lower spray points and upper spray points;
- controlling the time the concentrated product contacts the article;
- cleaning the ware with the wash liquid;
- recirculating the wash liquid within the cleaning apparatus to provide additional cleaning;
- and
- determining, based on the identified type of article, if additional product in concentrated form is to be applied directly to the article and if so, directly applying the additional product to the article.
Dependencies are inferred from the claim text.