Method for detecting opening of a throttle valve in a fully clos

Details Method for detecting opening of a throttle valve in a fully clos Method for detecting opening of a throttle valve in a fully clos

1983-01-10

1985-05-07

Caldwell, Sr., John W.

Measuring and testing

Simulating operating condition

Marine

123478, G01M 1500

Patent

active

045150095

ABSTRACT:
A method for detecting the opening of a throttle valve in a fully closed position in an internal combustion engine. The opening of the fully closed throttle valve is detected at intervals of time corresponding to the pulse separation of a predetermined timing pulse signal. When it is determined that a detected value of the valve opening is smaller than a value of the valve opening previously detected and presently stored, and the detected value has kept the same value for a substantial period of time, the detected value is newly stored in place of the above presently stored value.

REFERENCES:
patent: 4359894 (1982-11-01), Ikeura et al.

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