Internal-combustion engines – Charge forming device – Crankcase vapor used with combustible mixture
Patent
1989-02-08
1990-08-14
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Crankcase vapor used with combustible mixture
123416, 123478, F02M 2507
Patent
active
049478206
ABSTRACT:
A combustion control system for an internal combustion engine operable with the exhaust gas recirculation, the control system determining a basic quantity of engine combustion control such as a basic amount of fuel injection and/or ignition timing based upon the intake pressure of the engine, wherein the amount of fuel injection and/or the ignition timing is modified when the engine is operating with the exhaust gas recirculation starting with a time delay from the time point of switching on of an exhaust gas recirculation on-off valve, the time delay being variably controlled according to an operational condition of the engine such as the difference between atmospheric pressure and the intake pressure or the ratio of the intake pressure to atmosheric pressure.
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patent: 4553518 (1985-11-01), Takao et al.
patent: 4598684 (1986-07-01), Kato et al.
patent: 4782810 (1988-11-01), Shimoda et al.
patent: 4848303 (1989-07-01), Fujimoto et al.
patent: 4881509 (1989-11-01), Ohashi et al.
Toyota Jidosha & Kabushiki Kaisha
Wolfe Willis R.
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