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. 12, 2006
Filed:
Dec. 03, 2003
Stephen Burany, Thornhill, CA;
Ravi B. Gopal, Oakville, CA;
Norman A. Freeman, Richmond Hill, CA;
Stéphane Massé, Toronto, CA;
Stephen Burany, Thornhill, CA;
Ravi B. Gopal, Oakville, CA;
Norman A. Freeman, Richmond Hill, CA;
Stéphane Massé, Toronto, CA;
Hydrogenics Corporation, Mississauga, CA;
Abstract
A system and method for monitoring cell voltages for a plurality of electrochemical cells connected in series forming a cell stack. The method includes dividing the cells into at least two cell groups, measuring the voltage across each cell group and estimating the minimum cell voltage for each group based on the average cell stack voltage and an estimated number of deficient cells in each group. The lowest minimum cell voltage for the entire cell stack is then determined.