Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1985-02-06
1986-06-10
Argenbright, Tony M.
Internal-combustion engines
Charge forming device
Fuel injection system
123490, F02M 5100
Patent
active
045936650
ABSTRACT:
A fuel supply control method for multicylinder internal combustion engines, includes calculating the quantity of fuel being supplied to the engine in response to operating conditions of the engine, and sequentially supplying quantities of fuel corresponding to the calculated values into respective corresponding ones of the cylinders. The fuel quantity is calculated in synchronism with generation of pulses of a timing signal equal in number to the number of the cylinders at predetermined crank angles of the engine per one cycle of the engine. The supply of fuel to the engine is started immediately upon completion of the calculation of the fuel quantity, when the detected engine rotational speed is determined to be lower than a predetermined value, while it is started immediately upon generation of a first pulse of the timing signal generated immediately after completion of the calculation, when the detected engine rotational speed is determined to be higher than the predetermined value, thereby minimizing fluctuations in the air-fuel ratio at transition from a low engine speed region to a high engine speed region and vice versa.
REFERENCES:
patent: 4229793 (1980-10-01), Yoshida et al.
patent: 4418674 (1983-12-01), Hasegawa et al.
patent: 4459961 (1984-07-01), Nishimura et al.
patent: 4495927 (1985-01-01), Yamato
Argenbright Tony M.
Honda Giken Kogyo Kabushiki Kaisha
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