Control apparatus for internal combustion engine

Details Control apparatus for internal combustion engine Control apparatus for internal combustion engine

2005-07-05

2005-07-05

Huynh, Hai (Department: 3747)

Internal-combustion engines

Charge forming device

Including cylinder pressure or temperature responsive means

C123S090110, C123S090150, C123S568140

Reexamination Certificate

active

06912995

ABSTRACT:
A control apparatus for an internal combustion engine having two cylinder groups and two variable valve control mechanisms provided to the respective cylinder groups, includes a detecting section that detects an incylinder pressure of each cylinder, a comparing section that makes a comparison between the two cylinder groups with respect to a combustion stability and a control section that varies valve lift characteristics of intake valves of one cylinder group which is larger in the average incylinder pressure than the other cylinder group in accordance with a result of comparison by the comparing section so as to make intake air quantities for the respective cylinder groups be equal to each other.

REFERENCES:
patent: 6612294 (2003-09-01), Hiraya et al.
patent: 6843231 (2005-01-01), Duffy et al.
patent: 9-203337 (1997-08-01), None
patent: 2002-89341 (2002-03-01), None

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