Heat exchanger for solid oxide fuel cell stack
CA 2452938 A1 · Owner: Rho, Hongsang · Inventors: Yamarte, Luis; Rho, Hongsang; Kovacik, Gary
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a solid oxide fuel cell system comprising a fuel cell stack and a heat exchanger wrapped around the stack. The fuel cell stack comprises at least one tubular solid oxide fuel cell; the fuel cell comprises a pair, of concentrically arranged electrode layers sandwiching a concentrically arranged electrolyte layer. The heat exchanger wraps around the fuel cell stack, and comprises a flexible, thermally conductive first layer and an overlapping flexible, thermally conductive second layer spaced from the first layer. The first, and second layers define adjacent annular oxidant supply and oxidant exhaust channels when wrapped around the stack. The exhaust channel is …
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 December 15, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 15, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 15, 2025.
- 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.