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:
Sep. 06, 2011
Filed:
May. 06, 2008
Todd D. Bogumil, Rochester, NY (US);
Eric J. Connor, Rochester, NY (US);
Anthony G. Chinnici, Rochester, NY (US);
Paul F. Spacher, Rochester, NY (US);
Mark W. Keyser, Bloomfield, NY (US);
Todd D. Bogumil, Rochester, NY (US);
Eric J. Connor, Rochester, NY (US);
Anthony G. Chinnici, Rochester, NY (US);
Paul F. Spacher, Rochester, NY (US);
Mark W. Keyser, Bloomfield, NY (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A compression retention system for a fuel cell system is provided. The compression retention system includes a first end unit and a second end unit configured to hold a fuel cell stack therebetween. A spring configured to apply a compressive force to the fuel cell stack is disposed between a first spring plate and a second spring plate. The first spring plate has an aperture formed therein. The compression retention system further includes a pair of sheets coupled to the first spring plate and the first end unit, and a spring strut disposed through the aperture of the first spring plate and coupled to the second spring plate and to the second end unit. A fuel cell system and method for assembling the fuel cell system with the compression retention system are also provided.