Engine control apparatus

Details Engine control apparatus Engine control apparatus

1984-08-16

1985-11-12

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123440, 123478, 123350, 123492, F02B 300, F02D 900

Patent

active

045521166

ABSTRACT:
An engine control apparatus of fuel supply preferential type in which the rate of fuel supply is controlled in accordance with the amount of operation of an accelerator pedal and the operation condition of the engine, and the opening of the throttle valve is controlled in accordance with a command opening which is determined by the rate of the fuel supply is disclosed. For ensuring a good air-fuel ratio control, the control apparatus comprises first closed loop control adapted to detect the throttle valve opening and to effect a control to make the throttle valve opening converge at the command opening and second closed loop control adapted to detect the air-flow ratio of the air-fuel mixture fed to the engine wth air-fuel ratio sensor which detects oxygen concentration in the exhaust gases from the engine and to effect a control to make the air-fuel ratio converge at a command air-fuel ratio.

REFERENCES:
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patent: 4113046 (1978-09-01), Arpino
patent: 4319658 (1982-03-01), Collonia et al.
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patent: 4377995 (1983-03-01), Fiala
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patent: 4449508 (1984-05-01), Glockler et al.
patent: 4469074 (1984-09-01), Takao et al.
patent: 4471741 (1984-09-01), Asik et al.
patent: 4473052 (1984-09-01), Kamiyama et al.
patent: 4476834 (1984-10-01), Nakazato

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