Fuel supply control system for internal combustion engines

Details Fuel supply control system for internal combustion engines Fuel supply control system for internal combustion engines

1997-01-22

1998-06-16

Moulis, Thomas N.

Internal-combustion engines

Engine speed regulator

Engine speed reduction by fuel cutoff

F02D 3300

Patent

active

057655260

ABSTRACT:
A fuel supply control system for an internal combustion engine installed in a vehicle has an ECU which controls the amount of fuel to be supplied to the engine according to the rotational speed of the engine detected by a rotational speed sensor and load on the engine detected by a load sensor. The supply of fuel to the engine is interrupted when the detected rotational speed of the engine exceeds a first predetermined value, and the supply of fuel to the engine is resumed when the detected rotational speed of the engine drops below a second predetermined value which is lower than the first predetermined value. When the supply of fuel to the engine is resumed, the air-fuel ratio of a mixture supplied to the engine is leaned by decreasing the amount of fuel to be supplied to the engine, depending on at least one of the detected load on the engine and the detected traveling speed of the vehicle.

REFERENCES:
patent: 4700673 (1987-10-01), Denz
patent: 4998519 (1991-03-01), Kobayashi
patent: 5335744 (1994-08-01), Takasuka et al.

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