Method and device for operating a direct methanol fuel cell with gaseous fuel
CA 2318253 A1 · Owner: Hohlein, Bernd · Inventors: Menzer, Reinhard; Hohlein, Bernd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for operating a direct methanol fuel cell. A cooling agent is vaporised in the fuel cell and a methanol-water mixture is vaporised in a vaporiser (V1). Excess heat from the fuel cell is used for vaporising the methanol-water mixture. Said vaporised methanol-water mixture is then conveyed to the anode chamber of the fuel cell. The invention also relates to a device with a direct methanol fuel cell. A cooling agent line is located in the direct methanol fuel cell and a vaporiser is provided. A fuel supply line delivers fuel to the vaporiser. Fuel which has vaporised in the vaporiser is then conveyed into the anode chamber of the fuel cell by a line. …
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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
- Filed January 19, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 19, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 19, 2021.
- 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
Timeline From CIPO dates
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.