Fuel injection control device for an internal combustion engine

Details Fuel injection control device for an internal combustion engine Fuel injection control device for an internal combustion engine

1987-12-04

1988-11-22

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123494, F02D 4118, F02D 4104

Patent

active

047857854

ABSTRACT:
A fuel injection control device for an internal combustion engine comprising a throttle position sensor, a pressure sensor or a potentiometer for detecting a flow of the intake air in units of a certain physical quantity, and a third detecting device for detecting whether the engine is operating in a steady state. The device further includes a device for estimating the load of the engine from the output of the throttle position sensor and a learning device for correcting the estimation provided by the estimating device based on the output of the air flow sensor when the engine is operating in a steady state, so that the load estimation value can be corrected in accordance with the actual air flow. The amount of fuel to be injected is calculated in response to the most recently corrected load estimation value obtained from the output of the throttle position sensor.

REFERENCES:
patent: 3960120 (1976-06-01), Aono et al.
patent: 4195598 (1980-04-01), Anbuf et al.
patent: 4582031 (1986-04-01), Janetzke et al.

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