Control apparatus for internal combustion engine

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

2006-02-28

2006-02-28

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S1980DB

Reexamination Certificate

active

07004148

ABSTRACT:
During cylinder cut-off in which fuel injection for some cylinder(s) is halted, a variable valve operation mechanism or the halted cylinder is controlled based on an operating state of the engine whereby engine vibration is reduced during cylinder cut-off operation. The variable valve operation mechanism may be controlled based on a maximum internal pressure of a combustion cylinder in which fuel injection is continued during the cylinder cut-off operation.

REFERENCES:
patent: 6138636 (2000-10-01), Kohno et al.
patent: 6332446 (2001-12-01), Matsumoto et al.
patent: 6431154 (2002-08-01), Inoue
patent: 03-085340 (1991-04-01), None
patent: 6-346711 (1994-12-01), None

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