Method and arrangement for controlling the fuel/air ratio of an

Details Method and arrangement for controlling the fuel/air ratio of an Method and arrangement for controlling the fuel/air ratio of an

1988-11-14

1990-01-30

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123440, F02D 4114, F02D 4126

Patent

active

048966436

ABSTRACT:
In a method and arrangement for controlling the fuel/air ratio of an internal combustion engine in which the output voltage of an oxygen measurement probe which is arranged in the exhaust pipe of the internal combustion engine is used, after comparison with threshold values, for regulating the fuel/air ratio, the threshold values can be controlled as a function of extreme values of the output voltage.

REFERENCES:
patent: 4459669 (1984-07-01), Chujo et al.
patent: 4491921 (1985-01-01), Sugiyama et al.
patent: 4505246 (1985-03-01), Nakajima et al.
patent: 4759328 (1988-07-01), Blumel et al.

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