Throttle valve control apparatus

Details Throttle valve control apparatus Throttle valve control apparatus

1997-10-20

1999-09-07

Solis, Erick R.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123396, 123397, F02D 1110

Patent

active

059470860

ABSTRACT:
It is an object to improve the opening control resolving power in the case where the opening/closing of a throttle valve is controlled by a motor driven actuator. An additional control signal for finely vibrating the throttle valve is given to the actuator in a specific period until the opening of the throttle valve approaches its target value. Consequently, the throttle valve vibrates finely only as occasion demands. Accordingly, in spite of the fact that the opening of the throttle valve can be controlled with finer control resolving power than ordinary control resolving power, good response can be obtained as a whole.

REFERENCES:
patent: 5062404 (1991-11-01), Scotson et al.
patent: 5400756 (1995-03-01), Mentgen
patent: 5606950 (1997-03-01), Fujiwara et al.
patent: 5640943 (1997-06-01), Tasaka et al.

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