Fuel control system for internal combustion engine

Details Fuel control system for internal combustion engine Fuel control system for internal combustion engine

1987-06-15

1988-09-27

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123359, 123399, F02D 108

Patent

active

047733705

ABSTRACT:
The number of steps required for a step motor to reach a target load is computed by dividing in proportion the number of steps required for the step motor to move a fuel metering member to move from an idle position to a full-load position by a ratio between a target load value of an electric command given by fuel supply command means such as an accelerator pedal to an internal combustion engine and a maximum value of the electric command. The step motor is driven by the computed step number to correct variations in the characteristics of the fuel supply command means. The number of load estimation steps for the step motor driven by drive means is determined by dividing in proportion an electric maximum command given from the fuel supply control means by a ratio between the actual amount of rotation of the step motor and the amount of rotation from the idle position to the full-load position, and a step-out condition of the step motor is detected from the estimation step number.

REFERENCES:
patent: 4491112 (1985-01-01), Kanegae et al.
patent: 4493303 (1985-01-01), Thompson et al.
patent: 4502437 (1985-03-01), Voss
patent: 4546736 (1985-10-01), Moriya
patent: 4619233 (1986-10-01), Yamaguchi
patent: 4619234 (1986-10-01), Okamoto

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