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:
Jan. 02, 1979
Filed:
Jan. 12, 1978
Paul Morel, Le Vesinet, FR;
Jean-Pierre Dugois, Ste. Jean de-Maurinne, FR;
Bernard Langon, Lannemezan, FR;
Aluminum Pechiney, Lyon, FR;
Abstract
The invention relates to a method of improving the current supply of electrolysis cells such as used in the production of aluminum by igneous electrolysis of alumina dissolved in cryolite, in which the cells are aligned in a lengthwise direction, allowing the harmful influence of the induced magnetic fields to be reduced. In a series, each cell is supplied with current from the preceding cell both via the head and via at least one side riser. The output of the cathode bars are divided into two separate groups, the upstream group supplying the head of the subsequent cell and the downstream group supplying the side risers of the subsequent cell. This produces a substantial improvement in the efficiency and a greater regularity.