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:
Feb. 23, 2021
Filed:
Jan. 18, 2019
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Takashi Kajiwara, Gotemba, JP;
Haruyuki Aono, Susono, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A fuel cell stack in which unit cells are stacked, wherein the unit cell includes: a membrane electrode assembly; an insulating member; a first separator; a second separator; and a gasket, a hole penetrates through the insulating member and the first and second separators, the gasket extends around the hole on the insulating member, a flow path portion is formed in at least one of the first and second separators, the first and second separators define a communicating portion, one of the first and second separators includes: first and second protruding portions; and a recessed portion, at least a part of the communicating portion is defined by the first and second protruding portions, the recessed portion, and the other of the first and second separators, and the first separator includes a support portion contacting and supporting the insulating member on a back side of the gasket.