Electronically controlled throttle apparatus

Details Electronically controlled throttle apparatus Electronically controlled throttle apparatus

2006-05-02

2006-05-02

Huynh, Hai (Department: 3747)

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

C123S396000, C123S337000

Reexamination Certificate

active

07036486

ABSTRACT:
That is an electronically controlled throttle device comprising a throttle valve held rotatably in a throttle body; an actuator for driving the throttle valve; a return spring which gives a force to return the throttle valve in the full open direction; a throttle position sensor for detecting the opening of the throttle valve; and a throttle actuator control unit for driving the actuator based on the opening of the throttle valve detected by the throttle position sensor and a target opening. Wherein the throttle actuator control unit is provided with a control means which controls the actuator, when EGR control or DPF control has ended, so that the throttle valve turns toward the full open position in a longer period of time than the length of time in which the throttle valve is turned toward the full open position by the return spring only.

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