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:
Oct. 13, 2015
Filed:
Jun. 16, 2009
Satoshi Futami, Kariya, JP;
Keiji Hashimoto, Kariya, JP;
Tomokazu Hayashi, Seto, JP;
Toyota Shatai Kabushiki Kaisha, Kariya-shi, Aichi-ken, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
An MEAis arranged between frames. A first gas flow passage forming memberis arranged between an anode electrode layerof the MEAand a first separatorfixed to an upper surface of the frame. A second gas flow passage forming memberis arranged between a cathode electrode layerof the MEAand a second separatorfixed to a lower surface of the frame. The gas flow passage forming membersare each formed by a metal lath. The metal lath is formed by forming a plurality of through holesin a thin metal plate in a mesh-like manner and forming the thin metal plate in a stepped shape. The gas flow passage forming memberseach include a plurality of annular portionsforming the through holes. Each of the annular portionshas a flat surface portionin a first contact portion, which contacts a carbon paper