Combustion state-determining system and combustion state control

Details Combustion state-determining system and combustion state control Combustion state-determining system and combustion state control

1994-03-11

1996-04-23

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Having sensor or indicator of malfunction, unsafeness, or...

F01N 228

Patent

active

055092683

ABSTRACT:
A combustion state-determining system for an internal combustion engine has an ECU which determines a misfiring state of the engine, and calculates a misfiring rate of the engine, based on the result of the determination of the misfiring state. A catalyst temperature sensor detects the temperature of a catalytic converter as the exhaust system temperature, and the ECU determines the combustion state of the engine, based on the detected exhaust system temperature and the calculated misfiring rate. A combustion state control system restrains the output from the engine, based on the determination result of the combustion state-determining system.

REFERENCES:
patent: 3965677 (1976-06-01), Goto
patent: 3983754 (1976-10-01), Deguchi

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