Combustion state detection system for internal combustion engine

Details Combustion state detection system for internal combustion engine Combustion state detection system for internal combustion engine

1998-02-18

1999-11-23

Dombroske, George

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

73116, 731173, 123419, 123436, G01M 1500

Patent

active

059916850

ABSTRACT:
A combustion state detection system for an internal combustion engine in which a timing signal associated with the rotation of the crankshaft by a predetermined angle is detected and corrected, and a combustion state parameter is calculated from the timing signal. Further, the deviation of the calculated combustion state parameters for normal combustion is detected between the cylinders, and the correction amount of the timing signal is calculated. A reference cylinder is determined by the means for detecting the deviation. The deviation is detected between the combustion state parameter for normal combustion of the reference cylinder and the cylinder opposed thereto and the combustion state parameter for normal combustion of the remaining cylinders. The correction amount is calculated in such a manner as to control the correction amount to not more than a predetermined value or to zero from the detected deviation.

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patent: 5832404 (1998-11-01), Amano

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