Method for controlling the air-fuel ratio in vehicle internal co

Details Method for controlling the air-fuel ratio in vehicle internal co Method for controlling the air-fuel ratio in vehicle internal co

1988-08-31

1990-07-03

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Auxiliary air or oxygen added to combustible mixture

123327, F02M 2308

Patent

active

049381997

ABSTRACT:
A method for controlling the air-fuel ratio in internal combustion engines, in which a low and/or decelerating engine speed is detected according to a change speed of engine operation parameters and the degree of opening of a flow regulating valve is controlled according to such change speed when deceleration is detected.

REFERENCES:
patent: 4532900 (1985-08-01), Hibino et al.
patent: 4553521 (1985-11-01), Kishida et al.
patent: 4700679 (1987-10-01), Otobe et al.
patent: 4799466 (1989-01-01), Shibata et al.

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