Air-fuel ratio control system

Details Air-fuel ratio control system Air-fuel ratio control system

1981-07-07

1983-08-16

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Having fluidic logic control means

F02M 1700

Patent

active

043985173

ABSTRACT:
An air-fuel ratio control system for an internal combustion engine having an emission control system with a three-way catalytic converter for controlling the air-fuel ratio in accordance with the temperature of the engine and acceleration of the engine. A temperature sensor for detecting the engine temperature and an acceleration sensor for detecting the negative pressure in the intake passage corresponding to the acceleration of the engine are provided. An electronic control circuit is provided for controlling the air-fuel ratio to the stoichiometric air-fuel ratio in a normal operating condition and for stopping the control operation when the acceleration in the cold engine is detected by the temperature sensor and acceleration sensor.

REFERENCES:
patent: 4096834 (1978-06-01), Norimatsu et al.
patent: 4103649 (1978-08-01), Matumoto et al.
patent: 4121554 (1978-10-01), Sueishi et al.

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