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:
May. 05, 1998

Filed:

Mar. 31, 1995
Applicant:
Inventors:

Daniel F Brady, Eagan, MN (US);

John E McCall, Jr, West St. Paul, MN (US);

Paul J Mattia, Prior Lake, MN (US);

John M Lavorata, Burnsville, MN (US);

Matthew D PeKarna, Bloomington, MN (US);

Robert David Stokes, East Bethel, MN (US);

Clyde Arthur Bailey, Hastings, MN (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
137-3 ; 13710119 ;
Abstract

This invention relates to an apparatus and method for diluting a chemical concentrate. More particularly, dilution control is achieved by monitoring two flow meters, comparing the flow rate information, and adjusting the diluent flow to achieve a predetermined dilution of the chemical concentrate. An air push is preferably used to deliver the chemicals to the utilization points. Also a controller is used to prioritize requests from the utilization points in a hierarchal fashion.


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