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:
Mar. 17, 2009
Filed:
Dec. 29, 2004
Carl A. Reiser, Stonington, CT (US);
Jeremy P. Meyers, West Hartford, CT (US);
David D. Johnson, Champagne, IL (US);
Craig E. Evans, Vernon, CT (US);
Robert M. Darling, South Windsor, CT (US);
Tommy Skiba, East Hartford, CT (US);
Carl A. Reiser, Stonington, CT (US);
Jeremy P. Meyers, West Hartford, CT (US);
David D. Johnson, Champagne, IL (US);
Craig E. Evans, Vernon, CT (US);
Robert M. Darling, South Windsor, CT (US);
Tommy Skiba, East Hartford, CT (US);
UTC Power Corporation, South Windsor, CT (US);
Abstract
Fuel cells () have minute water passageways () that provide water through one or both reactant gas flow field plates () of each fuel cell, whereby the fuel cell is cooled evaporatively. The water passageways () may be vented by a porous plug (), or by a microvacuum pump () that does not pump any water from the passageways, or simply vented () to atmosphere. A condenser () may have a contiguous reservoir (); the condenser () may be vertical, such as a vehicle radiator (FIG.), or may be horizontal, contiguous with the top of the fuel cell stack (, FIG.). The passageways may be grooves () in the reactant gas flow plates () or the passageways may comprise a plane of porous hydrophilic material () contiguous with substantially the entire surface of one or both of the reactant gas flow field plates.