Control device and control program product for engine

Details Control device and control program product for engine Control device and control program product for engine

2006-01-24

2006-01-24

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090160, C123S090170

Reexamination Certificate

active

06988472

ABSTRACT:
An engine unit includes a valve driving mechanism in which a cam having its cam profile axially varying continuously is slid along the axis of the cam shaft to control continuously a lift characteristic of an intake valve to be steplessly variable. In the control device of the engine, when the engine is, determined to be in a idling state by an idling-state determining unit, a target cam position is obtained according to a target valve lift amount calculated based on the cooling water temperature by a target cam position calculated unit, and the target cam position is corrected according to atmospheric pressure, an engine oil temperature, an ATF temperature, and an intake temperature, so that an engine rotation will be stabilized in the idling state.

REFERENCES:
patent: 6109225 (2000-08-01), Ogita et al.
patent: 6330870 (2001-12-01), Inoue et al.
patent: 6415753 (2002-07-01), Nagaosa et al.
patent: 6575128 (2003-06-01), Nakamura et al.
patent: 6581566 (2003-06-01), Oishi
patent: 04-187807 (1992-07-01), None
Patent Abstracts of Japan for JP04-187807 published on Jul. 6, 1992.

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