Throttle valve control system for internal combustion engine

Details Throttle valve control system for internal combustion engine Throttle valve control system for internal combustion engine

1986-01-21

1987-09-08

Cuchlinski, Jr., William A.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123361, F02D 4110, F02D 4112

Patent

active

046916776

ABSTRACT:
A throttle valve control system comprises an accelerator position sensor for detecting the amount of operation of the accelerator, a throttle valve opening degree determining circuit which receives the output of the accelerator position sensor and determines the opening degree of the throttle valve, and a throttle valve driving device which drives the throttle valve to the position corresponding to the opening degree determined by the throttle valve opening degree determining circuit. The throttle valve opening degree determining circuit is arranged to determine the opening degree of the throttle valve with respect to the amount of operation of the accelerator so that the change in the opening degree of the throttle valve for a given change in the amount of operation of the accelerator is relatively small when the amount of operation of the accelerator is in an intermediate range and is relatively large when the amount of operation of the accelerator is above or below the intermediate range.

REFERENCES:
patent: 4112885 (1978-09-01), Iwata et al.
patent: 4168679 (1979-09-01), Ikeura et al.
patent: 4471610 (1984-09-01), Watamabe
patent: 4508078 (1985-04-01), Takeuchi et al.
patent: 4519361 (1985-05-01), Murakami
patent: 4546736 (1985-10-01), Moriya et al.
patent: 4601271 (1986-07-01), Ejiri et al.

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