Device for emergency power supply to auxiliary components of a nuclear power plant and use method
CA 2445185 A1 · Owner: Framatome Anp · Inventors: Dagard, Philippe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a device for emergency power supply comprising a fuel cell (2) supplied with hydrogen and with air or with pure oxygen from specific hydrogen and compressed air circuits of the nuclear plant or specific oxygen circuits. It can also be provided in the form of a hybrid system comprising the fuel cell (2) and an installation of super-capacitors arranged in parallel or in series relative to the fuel cell and via an appropriate interface (chopper for example). The fuel cell can be a PEMFC type cell. The fuel cell can in particular ensure power supply of the motor of a pump injecting water into the joints of a primary pump of a pressurised water nuclear reactor. It can also …
Read the whole patent
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 April 9, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 9, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 9, 2024.
- 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.