Throttle valve control system for an internal combustion engine

Details Throttle valve control system for an internal combustion engine Throttle valve control system for an internal combustion engine

1987-07-15

1988-12-20

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123361, F02D 908, F02D 4114

Patent

active

047919027

ABSTRACT:
A throttle valve control system for an internal combustion engine sets a target value of a pressure in an intake pipe of the engine for attaining a minimum fuel consumption rate in response to a detected engine rotational speed, and drives the throttle valve to an opening determined so as to reduce the difference between the detected actual pressure in the intake pipe and the target value of the pressure in the intake pipe. When the actual operation position of the throttle valve is not in an allowable range of a target throttle valve opening determined in response to the detected engine speed, the throttle valve is controlled to reduce the difference between the actual operation position of the throttle valve and the target throttle valve opening.

REFERENCES:
patent: 4625690 (1986-12-01), Morita

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