Air-fuel ratio control system for an engine

Details Air-fuel ratio control system for an engine Air-fuel ratio control system for an engine

1987-04-03

1988-03-15

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Fuel injection system

123480, 123486, F02M 5100

Patent

active

047305908

ABSTRACT:
An air-fuel ratio feedback control system is provided with a look-up table storing a plurality of time data dependent on an engine operating condition. The time is decided to correspond to a control delay time of the control system. When a desired air-fuel ratio varies, feedback operation is stopped for a time derived from the look-up table.

REFERENCES:
patent: 4483301 (1984-11-01), Yamada et al.
patent: 4499880 (1985-02-01), Miki et al.
patent: 4512313 (1985-04-01), Tsuchida et al.
patent: 4526001 (1985-07-01), Burns et al.
patent: 4528961 (1985-07-01), Katoh et al.

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