Idling speed control system for internal combustion engine

Details Idling speed control system for internal combustion engine Idling speed control system for internal combustion engine

1982-10-08

1984-07-03

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Idle speed control

123340, 123349, F02D 902

Patent

active

044572751

ABSTRACT:
The difference between the actual idling speed of an internal combustion engine and a desired idling speed determined according to the operating conditions of the engine is integrated and the opening angle of the throttle valve is controlled according to the integrated value to control the amount of the intake air, whereby the actual idling speed is equalized to the desired idling speed. When the actual idling speed becomes higher than a predetermined value, the idling speed control is interrupted with said integrating operation being continued and the throttle valve is positively closed.

REFERENCES:
patent: 4297978 (1981-11-01), Matsui
patent: 4344398 (1982-08-01), Ikeura
patent: 4367768 (1983-01-01), Nakamura et al.
patent: 4380979 (1983-04-01), Takase
patent: 4399789 (1983-08-01), Yano

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