Air-fuel ratio control method and apparatus utilizing an exhaust

Details Air-fuel ratio control method and apparatus utilizing an exhaust Air-fuel ratio control method and apparatus utilizing an exhaust

1982-08-12

1984-07-31

Lall, Parshotam S.

Internal-combustion engines

Charge forming device

Fuel injection system

123440, 123480, F02M 5100

Patent

active

044623747

ABSTRACT:
The reference signal voltage in the lean monitor of the A/F closed-loop control system is selectively changed in accordance with the rotational speed of the engine. The reference signal voltage is small when the rotational speed is high and large when the rotational speed is low.

REFERENCES:
patent: 4120269 (1978-10-01), Fujishiro
patent: 4170969 (1979-10-01), Asano
patent: 4171690 (1979-10-01), Hosaka et al.
patent: 4208993 (1980-06-01), Peter
patent: 4221193 (1980-09-01), Ezoe et al.
patent: 4364227 (1982-12-01), Yoshida et al.
patent: 4373187 (1983-02-01), Ishii et al.
patent: 4385596 (1983-05-01), Hosaka
patent: 4393842 (1983-07-01), Otsuka et al.

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