Apparatus and method for controlling variable valve...

Details Apparatus and method for controlling variable valve... Apparatus and method for controlling variable valve...

2007-03-13

2007-03-13

Huynh, Hai (Department: 3747)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S399000, C123S406230, C123S492000

Reexamination Certificate

active

11349914

ABSTRACT:
In an internal combustion engine equipped with a variable valve actuation mechanism, which varies a lift amount of an intake valve, when the lift amount is forcedly controlled at the minimum to learn a detection result of the lift amount at that time, a throttle opening, an ignition timing, and a fuel injection amount are corrected such that an engine torque is not largely decreased in association with a decrease in lift amount.

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patent: 2005/0229883 (2005-10-01), Arai et al.
patent: 2006/0090728 (2006-05-01), Arinaga et al.
patent: 11-82073 (1999-03-01), None
patent: 2000-008894 (2000-01-01), None

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