Method and device for detecting and eliminating short-circuits in an electrolytic tank
CA 1061881 A · Owner: Outokumpu Oy, Outokumpu · Inventors: Rautimo, Pentti J.; Kapanen, Aarne A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an electrolytic tank wherein cathode sheets and anode plates are arranged alternately close to each other and wherein the cathode sheets are attached to cathode bars being in contact with current rails of the tank, there is provided a method and a device for detecting and eliminating short-circuits between cathodes and anodes, in which method and apparatus the total current of each cathode bar is determined by measuring a currentdependent quantity, such as the magnetic field the temperature, Or similar, thereof, a short-circuit condition is recognized if the determined current exceeds a predetermined value and, when-, ever such short-circuit is thus detected the cathode sheet in, …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 4, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 4, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.