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

1989-07-24

1990-10-30

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Idle speed control

74860, F02D 4116

Patent

active

049661116

ABSTRACT:
A fuel supply control system for an internal combustion engine, wherein when the engine is at idle, a correction value is determined based on a difference between a desired idling engine rotational speed and an actual engine rotational speed, and an amount of fuel to be supplied to the engine is corrected by the determined correction value. Correction value-changing means sets a rate of change in the correction value relative to a change in the difference to a greater value when the detecting means detects that the engine means is not engaged with the transmission of an automotive vehicle, and to a smaller value when the detecting means detects that the engine is engaged with the transmisison.

REFERENCES:
patent: 4649878 (1987-03-01), Otobe et al.
patent: 4742807 (1988-05-01), Sakamoto et al.
patent: 4748951 (1988-06-01), Manaka et al.
patent: 4760823 (1988-08-01), Yasuoka et al.
patent: 4879982 (1989-11-01), Itakura et al.

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