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:
Jan. 05, 1999

Filed:

Feb. 29, 1996
Applicant:
Inventors:

George Hays, Morristown, NJ (US);

John Haaland, Dover, NJ (US);

Assignee:

Ashland Chemical Company, Dublin, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; G05D / ;
U.S. Cl.
CPC ...
210696 ; 137-3 ; 137-5 ; 137 88 ; 137 93 ; 210 961 ; 210143 ; 2101981 ; 210739 ; 364500 ; 364502 ; 422-7 ; 422111 ;
Abstract

A method for detecting and controlling cooling system characteristics. A flow rate of make-up cooling medium is measured. A conductivity of the make-up cooling medium is measured. A conductivity of a recirculating cooling medium is measured. A treatment material feed rate is determined based upon the formula: ##EQU1## where X is a treatment feed rate of a treatment compound, .OMEGA. is a desired concentration of the treatment compound, and K is a constant. A corrosion rate of the recirculating cooling medium is measured. A desired corrosion rate of the recirculating cooling medium is determined. A feed rate of a corrosion inhibitor is calculated according to the following formula:


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Hays, George. (1999). Performance-based control system (U.S. Patent No. 5855791). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5855791

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