Engine output control system

Details Engine output control system Engine output control system

1988-12-22

1990-04-24

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123400, 123361, F02D 1104, F02D 1110, F02D 4110

Patent

active

049190970

ABSTRACT:
An engine output control system comprising an acceleration detector for detecting an amount of a stroke of accelerator and producing an acceleration signal in accordance with the amount of the stroke, throttle valve, electrical control mechanism for determining an electrical control signal to actuate the throttle valve in accordance with the electrical control signal, mechanical control mechanism mechanically linked with the throttle valve for actuating the same in accordance with the amount of the stroke, abnormality detector for detecting an abnormality of the electrical control mechanism, switch mechanism for producing a signal to switch a control for the throttle valve between the mechanical and the electrical control mechanism, and switching control mechanism for performing an actual switching action from the mechanical control mechanism to the electrical control mechanism based on the signal from the switching mechanism under a specific engine operating condition.

REFERENCES:
patent: 4424785 (1984-01-01), Ishida et al.
patent: 4523565 (1985-06-01), Omitsu
patent: 4643148 (1987-02-01), Jedrziewski
patent: 4691677 (1987-09-01), Hotate et al.
patent: 4729356 (1988-03-01), Kaneko et al.

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