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:
Aug. 19, 2008
Filed:
Dec. 20, 2005
Ralph T. J. Hobmeyr, Mainz-Kastel, DE;
Ferdinand Foeh, Mainz-Kastel, DE;
Uwe Hannesen, Wiesbaden, DE;
Ralph T. J. Hobmeyr, Mainz-Kastel, DE;
Ferdinand Foeh, Mainz-Kastel, DE;
Uwe Hannesen, Wiesbaden, DE;
GM Global Technology Operations, Inc., Detroit, MI (US);
Abstract
A device and method to convert residual hydrogen present in a fuel cell cooling system into water. An oxygen-bearing fluid is supplied to the cooling system from a source that also has elevated moisture levels to minimize the likelihood that the oxygen-bearing fluid will dry out or otherwise deplete the coolant in the cooling system. One or more valves are included to avoid the formation of adverse pressure gradients that could inhibit the continued supply of the oxygen-bearing fluid to the cooling system.