Chemistry of inorganic compounds – Hydrogen or compound thereof – Elemental hydrogen
Reexamination Certificate
2005-08-30
2005-08-30
Silverman, Stanley S. (Department: 1754)
Chemistry of inorganic compounds
Hydrogen or compound thereof
Elemental hydrogen
C422S198000, C422S198000, C422S211000
Reexamination Certificate
active
06936238
ABSTRACT:
A compact autothermal (partial oxidation and steam reforming) fuel reactor is provided for implementation with a fuel cell system. The reactor includes a premixing chamber for premixing a volume of air, steam and fuel into an effluent, a thermal POX reactor, a first stage reforming segment, a post-premix chamber, and a second stage reforming segment. Further provided are a water/fuel vaporizer for supplying steam and fuel as a gas to the premix chamber and an airflow cavity disposed about the reactor for pre-heating air supplied to the premix chamber. The thermal POX segment operates during an initial start-up period for pre-heating the other components of the reactor. Once the other components achieve an operation temperature, the first and second stage reforming segments catalytically reform the effluent. The premix and post-premix chambers enable variance in the O/C and S/C ratios to be achieved as the effluent is reformed through the multiple stages.
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Borup Rodney L.
Pettit William H.
Sennoun Mohammed E. H.
Voecks Gerald E.
General Motors Corporation
Harness & Dickey & Pierce P.L.C.
Medina Maribel
Silverman Stanley S.
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