Controlling solid oxide fuel cell operation
CA 2541775 C · Owner: Yamarte, Luis · Inventors: Zheng, Rong; Sarkar, Partha; Kovacik, Gary J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to controlling a load-following solid oxide fuel cell system such that the fuel cells in the system are operating within an acceptable electrochemical reaction efficiency. The system has a controller that is programmed to detect a load change on a fuel cell stack and when the , load decreases, reduces the fuel flow rate to the stack or deactivates one or more fuel cells in the stack such that the stack operates within an acceptable electrochemical reaction efficiency range corresponding to the decreased load; and when the load increases, the controller increases the fuel flow rate to the stack or activates fuel cells in the stack such that the stack operates …
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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 October 21, 2004 and granted February 21, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 21, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.