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:
Apr. 20, 2004
Filed:
Feb. 08, 2002
Applicant:
Inventors:
Michael E. Gorman, Glastonbury, CT (US);
Donald L. Maricle, Glastonbury, CT (US);
Carl A. Reiser, Stonington, CT (US);
John C. Trocciola, Glastonbury, CT (US);
Leslie L. Van Dine, Manchester, CT (US);
Assignee:
UTC Fuel Cells, LLC, South Windsor, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/12 ; H01M 2/00 ; H01M 2/02 ; H01M 2/14 ; H01M 4/86 ;
U.S. Cl.
CPC ...
H01M 8/12 ; H01M 2/00 ; H01M 2/02 ; H01M 2/14 ; H01M 4/86 ;
Abstract
An improved water management system for PEM fuel cells is provided. Catalyst layers are disposed on both sides of a proton exchange membrane. Porous plates are positioned adjacent the catalyst layers. Water transport plates are positioned adjacent the porous plates and the reactant gas are humidified at their inlets, in one embodiment by fins, while moisture is removed in the fuel flow path and at the oxidant outlet, in one embodiment by other fins.