Serpentine fuel cell separator with protrusions and fuel cell with the same
CA 2617733 C · Owner: Kawabata, Norihiko · Inventors: Nagao, Yoshiki; Nobuoka, Masaki; Takebe, Yasuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fuel cell separator and a fuel cell are provided that can improve uniformity in , reaction gas flow rate and can prevent flooding due to excessive condensed water in , passage grooves appropriately. A reaction gas passage region (101) of a separator (2) has , a flow splitting region (21) having a passage groove group where the reaction gas is split, and one or more flow merge regions (22) having a recessed portion in which the reaction , gas is mixed and connecting a plurality of flow splitting regions so that the passage groove , goup of the adjacent flow splitting regions (21) are connected to the recessed portion, and , protrusions (27) vertically extend from a bottom face of …
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 August 4, 2006 and granted May 7, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 4, 2026.
- 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.