Control device for an internal combustion engine

Details Control device for an internal combustion engine Control device for an internal combustion engine

2005-06-28

2005-06-28

Vo, Hieu T. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C073S035080

Reexamination Certificate

active

06912459

ABSTRACT:
A control device for an internal combustion engine, including: an ion current detecting unit for detecting an ion current flowing between electrodes, via ions generated in a combustion chamber upon combustion, at a time when a voltage is applied to electrodes arranged in a combustion chamber of the internal combustion engine; a parameter extracting unit for extracting an ion current characteristics parameter correlating to an IMEP, from the ion current detected by the ion current detecting unit; an IMEP-related-information calculating unit for using the ion current characteristics parameter outputted from the parameter extracting unit, to calculate information relating to the IMEP of the internal combustion engine; and an internal combustion engine control unit for controlling operations of the internal combustion engine based on the output from the IMEP-related-information calculating unit.

REFERENCES:
patent: 5180984 (1993-01-01), Murata et al.
patent: 5675072 (1997-10-01), Yasuda et al.
patent: 6427662 (2002-08-01), Tanaya et al.
patent: 10-252632 (1998-09-01), None
patent: 11-324881 (1999-11-01), None
patent: 2001-355504 (2001-12-01), None

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