Fuel supply control system for internal combustion engines

Details Fuel supply control system for internal combustion engines Fuel supply control system for internal combustion engines

1994-12-01

1997-03-11

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Having means analyzing composition of exhaust gas

60277, 60285, F01N 328

Patent

active

056090234

ABSTRACT:
A fuel supply control system for an internal combustion engine having a catalytic converter arranged in the exhaust system, includes an ECU which estimates a storage amount of oxygen stored in the catalytic converter, calculates a physical amount having correlation with a purification rate of the catalytic converter, based on the estimated storage amount of oxygen, and controls the air-fuel ratio of an air-fuel mixture to be supplied to the engine, based on the calculated physical amount.

REFERENCES:
patent: 4656829 (1987-04-01), Creps
patent: 5280707 (1994-01-01), Nakashima
patent: 5325664 (1994-07-01), Seki

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