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:
Oct. 08, 2013
Filed:
Aug. 21, 2007
Applicants:
Thomas W. Tighe, Bloomfield, NY (US);
Robert L. Fuss, Spencerport, NY (US);
Robert N. Carter, Honeoye Falls, NY (US);
Bruce J. Clingerman, North Rose, NY (US);
Inventors:
Thomas W. Tighe, Bloomfield, NY (US);
Robert L. Fuss, Spencerport, NY (US);
Robert N. Carter, Honeoye Falls, NY (US);
Bruce J. Clingerman, North Rose, NY (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/06 (2006.01); H01M 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel cell system is disclosed that employs a humidifier and an oxygen sensor for measuring the oxygen concentration in the cathode exhaust gas from the fuel cell stack to determine a system diagnostic, such as a fluid leak from or across the humidifier.