Valve timing control apparatus for internal combustion...

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Reexamination Certificate

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Details

C123S090170, C123S090310, C123S347000

Reexamination Certificate

active

11074768

ABSTRACT:
A valve timing control apparatus for an internal combustion engine which comprises a variable valve timing mechanism which varies an opening-and-closing timing of an intake valve and/or an exhaust valve of an engine, and in which the opening-and-closing timing at a time of starting the engine is set to a starting time timing which is at a further advance side than a maximum retard timing which is retarded at the maximum, said apparatus characterized in that, at a time of stopping the engine, the variable valve timing mechanism is controlled such that the opening-and-closing timing is made to be the starting time timing.

REFERENCES:
patent: 6484676 (2002-11-01), Shimizu et al.
patent: 6904881 (2005-06-01), Hirowatari et al.
patent: 11-241608 (1999-09-01), None

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