Intake control apparatus for internal combustion engine and...

Details Intake control apparatus for internal combustion engine and... Intake control apparatus for internal combustion engine and...

2006-03-28

2006-03-28

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

C123S090110, C123S090150, C073S118040

Reexamination Certificate

active

07017551

ABSTRACT:
When a detection value of an intake pressure is normal, an electronically controlled throttle is controlled to attain a target intake pressure, a variable valve mechanism is controlled to attain a target intake air amount, and the control of the variable valve mechanism is corrected based on the detection value of the intake pressure. Contrary to this, when the detection value of the intake pressure is abnormal, the electronically controlled throttle is controlled to attain the target intake air amount, and also, the variable valve mechanism is controlled based on a fixed target opening characteristic.

REFERENCES:
patent: 5611351 (1997-03-01), Sato et al.
patent: 6497212 (2002-12-01), Matsumoto et al.
patent: 6851409 (2005-02-01), Machida et al.
patent: 6945224 (2005-09-01), Yoshizawa et al.
patent: 2004/0244473 (2004-12-01), Tamura et al.
patent: 2001-173470 (2001-06-01), None

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