The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 2025
Filed:
Aug. 19, 2022
Toyota Boshoku Kabushiki Kaisha, Aichi-ken, JP;
Haruyuki Aono, Aichi-ken, JP;
Satoshi Kawabe, Ichinomiya, JP;
TOYOTA BOSHOKU KABUSHIKI KAISHA, Aichi-Ken, JP;
Abstract
A separator for a fuel cell includes a contact surface. Groove passages are arranged side by side in the contact surface. The groove passages include a first groove passage and a second groove passage that are adjacent to each other in an arrangement direction of the groove passages. The contact surface includes a rib located between the first groove passage and the second groove passage. The rib includes at least one wide section. The first groove passage includes at least one first contiguous section that is adjacent to the at least one wide section. The second groove passage includes at least one second contiguous section that is adjacent to the at least one wide section. A cross-sectional flow area of the first contiguous section is less than a cross-sectional flow area of the second contiguous section.