Control device of internal combustion engine

Details Control device of internal combustion engine Control device of internal combustion engine

2007-01-09

2007-01-09

McCall, Eric S. (Department: 2855)

Measuring and testing

Simulating operating condition

Marine

Reexamination Certificate

active

11230456

ABSTRACT:
A control device able to find the intake air flow rate in an internal combustion engine having a plurality of intake passages upstream of a throttle valve is provided. The control device finds the intake air flow rate of the internal combustion engine by converting an output voltage of each of air flow sensors provided in the intake passages to a flow rate based on a relationship between an output voltage and flow rate found in advance for each air flow sensor, correcting the obtained flow rate in accordance with temperature characteristics of each the air flow sensor, and adding the corrected flow rates to calculate a total flow rate.

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patent: A 2000-320391 (2000-11-01), None
patent: A 2002-97994 (2002-04-01), None

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