Variable valve control apparatus and method in internal...

Details Variable valve control apparatus and method in internal... Variable valve control apparatus and method in internal...

2006-04-04

2006-04-04

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S406460, C123S406590, C123S348000, C701S105000, C701S110000

Reexamination Certificate

active

07021259

ABSTRACT:
In an internal combustion engine, which is provided with a variable valve mechanism that varies an open/close characteristic of an intake valve, a target open/close characteristic of the intake valve is determined. Simultaneously, a control speed at a time when the intake valve is controlled to have the target open/close characteristic is determined. As a result, the variable valve mechanism is controlled according to the target open/close characteristic and the control speed.

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patent: 2001-182563 (2001-07-01), None

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