Fuel reforming system

Details Fuel reforming system Fuel reforming system

2004-08-03

2009-06-16

Griffin, Walter D (Department: 1797)

Gas: heating and illuminating

Apparatus for converting or treating hydrocarbon gas

C048S061000, C422S105000, C422S186220, C422S198000, C422S198000, C429S006000, C429S006000, C429S006000, C431S042000, C431S060000

Reexamination Certificate

active

07547333

ABSTRACT:
In a fuel reforming system (32) of a fuel cell system (1), which includes a reformer (7) generating hydrogen-containing gas to be an electromotive fuel and a combustor (6) generating combustion gas, the combustor (6) has two combustion parts including a main combustion part (20) and a sub-combustion part (18), a fuel pre-vaporization part (19) between the two combustion parts and a main fuel injection valve (16) and a sub-fuel injection valve (15) which supply the fuel to the respective combustion parts. In start-up of the fuel cell system (1), predetermined amounts of fuel and air for generating heat quantity required in the fuel pre-vaporization part (19) are subjected to lean combustion in the sub-combustion part (18), the fuel to be combusted in the main combustion part (20) is pre-vaporized in the fuel pre-vaporization part (19) by use of the combustion gas from the sub-combustion part (18), and the pre-vaporized fuel obtained by the pre-vaporization and air are subjected to premixed lean combustion in the main combustion part (20).

REFERENCES:
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patent: 2002/0155331 (2002-10-01), Kamegaya et al.
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patent: 4-177011 (1992-06-01), None
patent: 09-063619 (1997-03-01), None
patent: WO 03/042097 (2003-05-01), None
patent: WO 03/066518 (2003-08-01), None
patent: WO 03-101890 (2003-12-01), None
Patent Abstracts of Japan, vol. 1997, No. 07, Jul. 31, 1997, JP 09-063619, Mar. 7, 1997.

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