Exhaust heating control

Details Exhaust heating control Exhaust heating control

1993-08-19

1994-10-11

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Methods

60283, 60286, 60303, F01N 320

Patent

active

053535901

ABSTRACT:
Control of a fuel quantity and an air quantity delivered to an exhaust gas heater is provided by determining a desired heater air quantity and a desired heater air/fuel ratio both of which may vary over multiple control states, by commanding an air rate in accord with the desired heater air quantity, by adjusting the commanded air quantity in accord with a sensed actual air quantity, and by commanding a fuel quantity in accord with the desired heater air/fuel ratio and either the desired heater air quantity or the sensed actual air quantity.

REFERENCES:
patent: 3618314 (1971-11-01), Krebs
patent: 3908371 (1975-09-01), Nagai
patent: 3911675 (1975-10-01), Mondt
patent: 4615173 (1986-10-01), Usui

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