Method and apparatus for controlling internal combustion engines

Details Method and apparatus for controlling internal combustion engines Method and apparatus for controlling internal combustion engines

1981-10-14

1985-04-02

Cox, Ronald B.

Internal-combustion engines

Engine speed regulator

Idle speed control

123440, 123480, 123419, 123436, 123417, 123489, F02P 304, F02B 300

Patent

active

045080755

ABSTRACT:
In accordance with an amount of a change or a proportion of the change of at least one of operating parameters, such as a crankshaft rotational speed, an intake pipe pressure, etc., of an internal combustion engine equipped with an electronically controlled fuel injection system, or a rate of incremental change of the amount of the change or the proportion of the change and in dependence on whether air-fuel ratio feedback compensation by the use of an oxygen sensor is effected or not, at least one of control variables, such as a fuel injection quantity, ignition timing, etc., is corrected to ensure stable control of the rotational speed of the engine during its idling and low speed operations.

REFERENCES:
patent: 4197767 (1980-04-01), Leung
patent: 4223644 (1980-09-01), Latsch
patent: 4232643 (1980-11-01), Leshner
patent: 4239960 (1980-05-01), Woodhouse
patent: 4271798 (1981-06-01), Seitz et al.
patent: 4322800 (1982-03-01), Hisegawa et al.
patent: 4327689 (1982-05-01), Rachel
patent: 4348728 (1982-09-01), Sagisaka

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