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:
Nov. 19, 2019
Filed:
Oct. 26, 2017
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Nobuaki Nonoyama, Chiryu, JP;
Masaya Kobayashi, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
A single cell of a fuel cell has: a membrane-electrode assembly; and first and second separators holding the membrane-electrode assembly therebetween. The first separator has plural first straight or wavy groove channels that are arranged in parallel to each other in a first in-plane direction. A cross section along the first in-plane direction of each of the plural first groove channels has a first uneven shape. The first uneven shape has a first pitch Palong the first in-plane direction. The second separator has plural second wavy groove channels that are aligned along the first in-plane direction. A second uneven shape of the plural second groove channels has a second pitch Palong the first in-plane direction. The first pitch Pand the second pitch Pdiffer from each other, and neither a value of P/Pnor a value of P/Pis an integer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile