Method of determining misfiring

Details Method of determining misfiring Method of determining misfiring

1997-04-24

2009-11-03

McCall, Eric S (Department: 2855)

Measuring and testing

Internal combustion engine or related engine system or...

Irregular combustion

Reexamination Certificate

active

07610798

ABSTRACT:
A method for the determination of combustion misfires in an internal combustion engine having a plurality of cylinders, there being provision, for determining at least two successive compression times and expansion times for at least one cylinder of the internal combustion engine, for the determination of combustion misfires a comparison of the change in the compression times with the change in the expansion times being carried out, and the result of the comparison being a measure of a combustion misfire.

REFERENCES:
patent: 5144927 (1992-09-01), Denz
patent: 4119399 (1992-01-01), None
patent: 4028131 (1992-03-01), None
patent: 9209875 (1992-06-01), None

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