Fuel control system for an engine and the method thereof

Details Fuel control system for an engine and the method thereof Fuel control system for an engine and the method thereof

1993-03-31

1995-03-07

Argenbright, Tony M.

Internal-combustion engines

High tension ignition system

Using capacitive storage and discharge for spark energy

123491, F02D 4106

Patent

active

053948572

ABSTRACT:
Re-starting an engine becomes easier by decreasing fuel amount to inject into the cylinder in accordance with the temperature of the engine and the time while the engine stops. The decreasing amount of the fuel is determined in dependency on whether the shut-off relay is ON or OFF, whether the stopping time range is within the predetermined value, or whether the coolant temperature is below the set value or not. The coefficient of the basic fuel injection amount is corrected by referring to the standard value stored in maps. Therefore, there is no occurrence of over-rich of the air-fuel ratio and malfunction of the spark plug, so that the engine can be smoothly restarted in any operating condition.

REFERENCES:
patent: 4594986 (1986-06-01), Shimoda et al.
patent: 4723523 (1988-02-01), Kataoka et al.
patent: 5220895 (1993-06-01), Curran et al.

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