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.:

US 7544432 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 09, 2009

Filed:

Dec. 23, 2004
Applicants:

Hiroki Homma, Asaka, JP;

Masahiko Izumi, Niiza, JP;

Koji Dan, Kawagoe, JP;

Inventors:

Hiroki Homma, Asaka, JP;

Masahiko Izumi, Niiza, JP;

Koji Dan, Kawagoe, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2006.01); H01M 8/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fuel cell includes an electrolyte electrode assembly and a pair of separators sandwiching the electrolyte electrode assembly. Each of the separators is a single plate, and includes a plurality of circular disks. First protrusions and second protrusions are provided on both surfaces of the circular disk. The first protrusions contact the anode of the electrolyte electrode assembly, and the second protrusions contact the cathode of the electrolyte electrode assembly. A channel member is provided on a surface of the separator facing the cathode. The channel member forms a plurality of fuel gas supply channels connected between a fuel gas supply passage and a fuel gas inlet for supplying a fuel gas into a fuel gas flow field.


Find Patent Forward Citations

Homma, Hiroki. (2009). Fuel cell and fuel cell stack (U.S. Patent No. 7544432). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7544432

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…