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:
Apr. 07, 2009
Filed:
Mar. 30, 2005
Morgan Le Hervet, Saint Jean de Maurienne, FR;
Nicolas Ligonesche, Saint Folquin, FR;
Morgan Le Hervet, Saint Jean de Maurienne, FR;
Nicolas Ligonesche, Saint Folquin, FR;
Aluminium Pechiney, Voreppe, FR;
Abstract
The invention relates to a series () of electrolysis cells for the production of aluminum by fusion electrolysis, comprising at least two lines of cells, arranged transversely, an internal correction circuit () with at least one internal correction conductor () per line, adjacent to the neighboring line and a main connection circuit () between the final cells of the lines (). In at least one line, the main connection circuit () comprises a layer of conductors, each conductor of which extends from the end of the final cell of the line to a given distance (DD) therefrom and the internal correction circuit () comprises a section of transverse conductors, arranged at a given distance (DD) from the final cell () running along the final cell for a given part L of the length thereof Lo. The invention permits a reduction in the mean supplementary vertical fields to very low values for electrolysis currents of a value greater than 300 kA.