Air-fuel ratio control apparatus and method for an internal comb

Details Air-fuel ratio control apparatus and method for an internal comb Air-fuel ratio control apparatus and method for an internal comb

1982-03-12

1984-05-29

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123478, 123564, 123198D, F02D 502, F02B 300

Patent

active

044508140

ABSTRACT:
Normally, an air-fuel ratio is controlled in accordance with the engine speed and the intake air quantity of an internal combustion engine with a turbocharger. When the output pressure of the turbocharger increases excessively, an intake relief valve opens to decrease the intake air quantity. In this case, the fuel injection quantity is controlled solely in accordance with the engine speed.

REFERENCES:
patent: 2336844 (1943-12-01), Buck
patent: 2483941 (1949-10-01), Sherman
patent: 3881456 (1975-05-01), Nohira et al.
patent: 4142427 (1979-03-01), Grevich
patent: 4155332 (1979-05-01), Yaegashi et al.
patent: 4279231 (1981-07-01), Lindberg et al.

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