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:
Apr. 28, 2015
Filed:
Nov. 18, 2010
Applicants:
Jeffrey A. Rock, Fairport, NY (US);
Gerald W. Fly, Geneseo, NY (US);
Steven J. Spencer, Rochester, NY (US);
Inventors:
Jeffrey A. Rock, Fairport, NY (US);
Gerald W. Fly, Geneseo, NY (US);
Steven J. Spencer, Rochester, NY (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01); H01M 8/02 (2006.01);
U.S. Cl.
CPC ...
H01M 8/04089 (2013.01); H01M 8/0204 (2013.01); H01M 8/0258 (2013.01); Y02E 60/50 (2013.01);
Abstract
A fuel cell plate assembly includes a first plate having a feed region and an active region. A plurality of flow channels is formed in the first plate and connects the feed region and the active region. The first plate further includes a first step oriented transverse to the flow channels in the feed region and a second step oriented transverse to the flow channels in the active region. The second step is formed only in the flow channels of the first plate.