Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1986-08-19
1987-09-01
Wolfe, Jr., Willis R.
Internal-combustion engines
Charge forming device
Fuel injection system
123493, 123494, F02M 5100
Patent
active
046901175
ABSTRACT:
A fuel injection control device for an internal combustion engine in which a fundamental fuel injection amount is set according to suction air amount per one revolution of the engine Q/N. The fuel injection control device includes a transitional operation start timing detector for detecting an acceleration start timing or a deceleration start timing, an engine rotational number measurer for measuring a predetermined number of rotations of the engine from the acceleration start timing or the deceleration start timing, a throttle valve angle detector for detecting that a throttle valve angle is out of a set range, and apparatus for setting an upper limit value and/or a lower limit value of Q/N when the throttle valve angle detector generates a signal showing that the throttle valve angle is out of the set range until the engine rotational number measurer measures the predetermined number of rotations of the engine.
REFERENCES:
patent: 4436074 (1984-03-01), Nakatsuka et al.
patent: 4492211 (1985-01-01), Shimomura et al.
patent: 4548181 (1985-10-01), Ishikawa et al.
patent: 4616621 (1986-10-01), Kuroiwa et al.
Isobe Toshiaki
Oba Hidehiro
Toyota Jidosha & Kabushiki Kaisha
Wolfe, Jr. Willis R.
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