Idling speed control system and method

Details Idling speed control system and method Idling speed control system and method

2006-08-01

2006-08-01

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Engine speed regulator

Idle speed control

C123S090150

Reexamination Certificate

active

07082923

ABSTRACT:
An controller detects a change in a load generation state of an accessory device that generates a load on the internal combustion engine during operation, and the controller in turn controls a variable valve mechanism to change at least one of an operation angle and a valve lift of an intake valve of the internal combustion engine, as well as changing an amount of an intake air drawn into the internal combustion engine, in response to the detected change in the load generation state of the accessory device.

REFERENCES:
patent: 5081973 (1992-01-01), Minamitani
patent: 6082329 (2000-07-01), Kazumasa
patent: 6484676 (2002-11-01), Shimizu et al.
patent: 8-338273 (1996-12-01), None

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