Variable valve control apparatus for internal combustion...

Details Variable valve control apparatus for internal combustion... Variable valve control apparatus for internal combustion...

2005-07-26

2005-07-26

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S345000

Reexamination Certificate

active

06920851

ABSTRACT:
In an internal combustion engine provided with a variable valve mechanism that varies a lift amount of an intake valve, when a target lift amount of the intake valve is a predetermined value or less, the target lift amount of the intake valve is limited to the predetermined value or above when the combustion variation reaches an allowable value or above.

REFERENCES:
patent: 6564763 (2003-05-01), Shiraishi et al.
patent: 6691022 (2004-02-01), Takemura et al.
patent: 60150407 (1985-08-01), None
patent: 9-195840 (1997-07-01), None
patent: 2001-041013 (2001-02-01), None
patent: 2001-164951 (2001-06-01), None
patent: 2001-182563 (2001-07-01), None

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