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:
Dec. 16, 2003
Filed:
Dec. 22, 2000
Applicant:
Inventors:
Peter Robert Gibb, Coquitlam, CA;
Kemal Ozgur, Coquitlam, CA;
Assignee:
Ballard Power Systems Inc., Burnaby, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/00 ; H01M 2/02 ; H01M 2/08 ; H01M 2/14 ;
U.S. Cl.
CPC ...
H01M 2/00 ; H01M 2/02 ; H01M 2/08 ; H01M 2/14 ;
Abstract
A compression mechanism comprises a planar spring sheet having a plurality of openings rendering the spring sheet resilient. An electrochemical fuel cell assembly with resilient compression mechanism includes a plurality of fuel cell assemblies interposed between first and second endplates. The mechanism for securing the fuel cell assemblies in their assembled, compressed state includes at least one resilient compression spring sheet extending between first and second endplates.