Idling adjusting method

Details Idling adjusting method Idling adjusting method

1990-05-08

1991-07-30

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Idle speed control

F02M 300

Patent

active

050352172

ABSTRACT:
In an idling adjusting method for the engine of a vehicle, an intake air quantity for the engine is adjusted independent of a flow rate control device so that a revolution number correcting signal or a signal related thereto is within a predetermined value, by providing a reference signal generating device which outputs a reference control signal necessary for maintaining a target engine revolution number, a correction signal generating device which generates a revolution number correction signal in the direction to reduce the deviation between an actual engine revolution number of engine and the target engine revolution number and the flow rate control device which controls the intake air quantity for the engine so as to increase or decrease by receiving the reference control signal and the revolution number correction signal, wherein the reference control signal is changed dependent on atmospheric pressure.

REFERENCES:
patent: 4705001 (1987-11-01), Danno et al.
patent: 4802851 (1989-09-01), Washino et al.
patent: 4836164 (1989-06-01), Morozumi et al.
patent: 4856475 (1989-08-01), Shimomura et al.
patent: 4903657 (1990-02-01), Miyazaki et al.

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