Control method of controlling an air/fuel ratio control system i

Details Control method of controlling an air/fuel ratio control system i Control method of controlling an air/fuel ratio control system i

1987-01-12

1988-08-23

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Multiple carburetors

123440, F02M 2306

Patent

active

047653051

ABSTRACT:
In a method for determining a control parameter of an air/fuel ratio control system of an internal combustion engine by means of an oxygen concentration sensor disposed in an exhaust system of the engine, the control parameter of the air/fuel ratio is determined independently of the output signal of the oxygen concentration sensor when a light load operation of the engine continued for more than a predetermined time period is detected.

REFERENCES:
patent: 4359029 (1982-11-01), Furuhashi et al.
patent: 4393842 (1983-07-01), Otsuka et al.
patent: 4557242 (1985-12-01), Hasegawal
patent: 4649882 (1987-03-01), Kawanabe et al.

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