F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
341/38.122
F02D 41/30 (2006.01) F02D 31/00 (2006.01) F02D 43/00 (2006.01)
Patent
CA 1196994
-1- TITLE OF THE INVENTION IDLING RPM FEEDBACK CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINES ABSTRACT OF THE DISCLOSURE 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.
418987
Hasegawa Shumpei
Koumura Takashi
Mieno Toshiyuki
Oikawa Kiyoshi
Honda Giken Kogyo Kabushiki Kaisha (also Trading As Honda Motor Ltd .)
Smart & Biggar
LandOfFree
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