Polymer electrolyte membrane fuel cell system comprising a cooling medium distribution space and cooling medium collection space, and with cooling effected by fluidic media
CA 2420158 A1 · Owner: Schiegl, Andreas · Inventors: Schiegl, Andreas
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 fuel cell system comprising a number of polymer electrolyte membrane individual fuel cells (2) which are arranged one above , the other to form a stack (3). According to the invention an intermediate , space (10) for accommodating a cooling medium is provided between adjacent individual fuel cells (2) or adjacent individual fuel cells (2) are delimited by bipolar plates (7), which comprise passages (12) for receiving a cooling medium. In addition, cooling medium distribution spaces (15) and cooling medium collection spaces (18) are arranged on the lateral surfaces (23) of the stack. In order to cool the fuel cell system (1) cooling medium flows into a , …
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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 August 20, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 20, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 20, 2023.
- 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.