Idling rotational speed control system for internal combustion e

Details Idling rotational speed control system for internal combustion e Idling rotational speed control system for internal combustion e

1989-10-06

1990-10-23

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Idle speed control

123179L, F02D 4108

Patent

active

049643860

ABSTRACT:
A system for controlling the idling rotational speed of an internal combustion engine controls a control valve for adjusting the opening area of an intake air passage bypassing a throttle valve after cranking of the engine, by the use of control terms including a differential term which is based on a variation in the engine rotational speed and is set and held at zero before a predetermined time period elapses after completion of cranking of the engine.

REFERENCES:
patent: 4702210 (1987-10-01), Yasuoka et al.
patent: 4829960 (1989-05-01), Yuzawa et al.
patent: 4903657 (1990-02-01), Miyazaki et al.

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