Control for catalytic combustor

Details Control for catalytic combustor Control for catalytic combustor

2005-06-21

2005-06-21

Lu, Jiping (Department: 3749)

Combustion

Timer, programmer, retarder or condition responsive control

By combustion or combustion zone sensor

C431S006000, C431S007000, C431S012000, C431S326000, C431S328000, C431S062000, C431S063000

Reexamination Certificate

active

06908301

ABSTRACT:
A fuel injector (11) supplies liquid fuel to a catalytic combustor (9) of a fuel reforming device during startup of a fuel reforming device. A controller sets the injection amount (Qf) for liquid fuel to a first injection amount (Qf1) during a predetermined time (t1) after starting fuel injection. After the predetermined time, the injection amount (Qf) is set to a second injection amount (Qf2) which is larger than the first injection amount (Qf1). When the elapsed time after starting fuel injection is smaller than a value (t1), the discharged amount of uncombusted fuel is reduced by setting the injection amount (Qf) to a minimum injection amount (Qf1) which allows ignition and combustion in the catalyst.

REFERENCES:
patent: 4397356 (1983-08-01), Retallick
patent: 6048198 (2000-04-01), Okada et al.
patent: 6302683 (2001-10-01), Vestin et al.
patent: 6595003 (2003-07-01), Dalla Betta et al.
patent: 6718772 (2004-04-01), Dalla Betta et al.
patent: 2001-052730 (2001-02-01), None

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