Fuel cell reformer

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Including solid – extended surface – fluid contact reaction...

Reexamination Certificate

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Details

C422S198000, C422S198000, C422S198000, C422S198000, C422S222000, C048S127900, C048S061000

Reexamination Certificate

active

07976787

ABSTRACT:
An improved multiple-tube catalytic reformer comprising a tubular body containing a radiator core having a plurality of longitudinal cells for low-pressure flow-through of combustion gases, the core being formed preferably either by winding of corrugated metal or as an extruded metal monolith. A plurality of reformer tubes, preferably non-cylindrical, containing hydrocarbon catalyst are arrayed in longitudinal openings within the radiator core and preferably are brazed thereto to maximize heat transfer from the radiator core to the reformer tubes. During manufacture, the metal radiator core is economically bored by laser cutting to form the openings to admit the reformer tubes for brazing. Preferably, the reformer tubes are numbered, sized, shaped, and arrayed to minimize the longest conduction path in the radiator core to the center of any reformer tube.

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patent: 6592787 (2003-07-01), Pickrell et al.
patent: 6746650 (2004-06-01), Lesieur
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patent: 6797244 (2004-09-01), Lesieur
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patent: 2002/0136677 (2002-09-01), Sederquist et al.
patent: 2007/0144828 (2007-06-01), Galligan
patent: 2007/0175094 (2007-08-01), Reinke et al.
patent: 2022558 (2009-02-01), None
EP Search Report dated Jan. 22, 2010.

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