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:
May. 21, 2013
Filed:
Sep. 22, 2006
Applicants:
John P. Salvador, Penfield, NY (US);
Craig S. Gittleman, Rochester, NY (US);
Gerald E. Voecks, La Crescenta, CA (US);
Inventors:
John P. Salvador, Penfield, NY (US);
Craig S. Gittleman, Rochester, NY (US);
Gerald E. Voecks, La Crescenta, CA (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of purging residual hydrogen from a fuel cell stack is disclosed. The method includes providing an air stream, providing a temporary nitrogen stream by removing oxygen from the air stream with an adsorbent bed and passing the nitrogen stream through the fuel cell stack.