Internal-combustion engines – Engine speed regulator – Idle speed control
Patent
1987-12-16
1989-10-31
Dolinar, Andrew M.
Internal-combustion engines
Engine speed regulator
Idle speed control
123352, F02D 4116
Patent
active
048770027
ABSTRACT:
An electronic control device for internal-combustion engines wherein the quantity of air taken in is decreased when the engine speed is greater than a target value, that is, when the deviation of the number of revolutions of engine is positive, with the engine in a slow-speed hunting state, and the quantity of air taken in is increased when the engine speed is less than a target value, that is, when the deviation of the number of revolutions is negative, or wherein the quantity of air taken in is decreased when at least one of the quantity of air taken into the engine, intake pipe pressure, and a value obtained by dividing the quantity of air taken in by the number of revolutions is greater than the target value, that is, when the deviation is positive, with the engine in the slow-speed hunting state, and also the quantity of air taken in is increased when it is less than the target value, that is, when the deviation is negative, thereby controlling the aforementioned parameters to their target values and accordingly controlling the engine speed.
REFERENCES:
patent: 4375208 (1983-03-01), Furuhashi et al.
patent: 4709674 (1987-12-01), Bianchi et al.
Nishiyama Ryoji
Shimomura Setsuhiro
Dolinar Andrew M.
Mitsubishi Denki & Kabushiki Kaisha
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