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.
Patent No.:
Date of Patent:
Sep. 14, 1999
Filed:
Jan. 22, 1998
Gerhard Ueffinger, Weinstadt-Grossheppach, DE;
Eastman Kodak Company, Rochester, NY (US);
Abstract
A process for monitoring the electrolyte circulation in an electrolysis cell, in which an electrolyte flow generated by a circulation pump is generated between the electrodes of the electrolysis cell and the electrolysis is performed by a constant electrolysis current or electrode potential. The process includes the steps of setting at least three different electrolysis states in the cell by a switching on and off of the circulation pump and the electrolysis current or the voltage at predetermined times; performing multiple measurements of at least one electrolysis parameter in a predetermined period of time and forming a mean value of the measured electrolyte parameter for each of the three electrolysis states; forming of a first gradient ST1 from the mean values of the electrolysis parameters of the first and second electrolysis states and forming a second gradient ST2 from the mean values of the electrolysis parameters of the second and third electrolysis states; and comparing the gradient ST1 with the absolute value of the gradient ST2, where a greatly reduced electrolyte circulation applies with ST1<.vertline.ST2.vertline., which is indicated as an error signal by a visual or acoustic signal element.