Intake air amount detecting apparatus for engine and method...

Details Intake air amount detecting apparatus for engine and method... Intake air amount detecting apparatus for engine and method...

2005-12-27

2005-12-27

McCall, Eric S. (Department: 2855)

Measuring and testing

Simulating operating condition

Marine

Reexamination Certificate

active

06978667

ABSTRACT:
Detection signals from an airflow meter, which outputs different detection signals for the forward flow and reverse flow of the intake air of an engine, are converted into intake air amount data of the same sign. An offset amount is subtracted from the intake air amount data obtained by the conversion process, thereby obtaining intake air amount data in which the forward flow and the reverse flow are distinguished from each other by positive and negative signs.

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