Internal-combustion engines – Engine speed regulator – Idle speed control
Patent
1983-01-06
1984-10-09
Lall, Parshotam S.
Internal-combustion engines
Engine speed regulator
Idle speed control
123585, F02M 300
Patent
active
044755058
ABSTRACT:
A system adapted to control a control valve for controlling the quantity of supplementary air being supplied to an internal combustion engine, in a feedback manner responsive to a difference between actual engine rpm and desired engine rpm at engine idle. The above control valve is opened in synchronism with a signal indicative of a predetermined rotational position of the engine. The system is also adapted to detect a total quantity of suction air including the supplementary air being supplied to the engine, in synchronism with the above predetermined rotational position signal, to supply a quantity of fuel corresponding to the detected total suction air quantity. Further, the system is adapted to start opening the control valve upon a lapse of such a period of time after each pulse of the predetermined engine rotational position signal has been inputted to the system that a proper value of the total suction air quantity can be detected at the time of inputting of the next pulse of the same signal to the system.
REFERENCES:
patent: 4203395 (1980-05-01), Cromas et al.
patent: 4240145 (1980-12-01), Yano et al.
patent: 4301780 (1981-11-01), Hoshi
patent: 4387429 (1983-06-01), Yamauchi et al.
patent: 4406262 (1983-09-01), Ikeura
Hasegawa Shumpei
Koumura Takashi
Mieno Toshiyuki
Oikawa Kiyoshi
Honda Motor Co. Ltd.
Lall Parshotam S.
Lessler Arthur L.
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