Fuel control system for an automobile engine

Details Fuel control system for an automobile engine Fuel control system for an automobile engine

1990-04-10

1991-07-02

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

F02M 5100

Patent

active

050277820

ABSTRACT:
A fuel control system for an automobile engine includes various sensors for detecting the running conditions of the engine, an injector or injectors for supplying fuel to the engine, and a control unit for reducing or cutting the amount of fuel to be supplied to the engine in response to the sensors at the time of deceleration and for controlling the injectors so that the amount of fuel to be supplied to the engine at the time of removal of deceleration is less than the normal amount corresponding to the running conditions of the engine. The control unit further operates so that the amount of reduction of the fuel supply is less in an engine equipped with an automatic transmission than in an engine equipped with a manual transmission. The control unit also operates so that the initial amount of fuel to be supplied to the engine at the time of removal of deceleration is less in the engine equipped with the manual transmission than in the engine equipped with the automatic transmission. In addition, the control unit can operate so that the rate of increase of fuel up to the normal amount after the removal of deceleration is less in the engine of the former type than in the engine of the latter type.

REFERENCES:
patent: 4886030 (1989-12-01), Oba et al.
patent: 4893602 (1990-01-01), Gross et al.
patent: 4896644 (1990-01-01), Kato
patent: 4949693 (1990-08-01), Sonoda

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