Method for detecting misfires in an internal combustion engine

DE102014219043B4Active Publication Date: 2026-07-16VOLKSWAGEN AG
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Patent Information

Application Number
DE102014219043
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2014-09-22
Publication Date
2026-07-16
Estimated Expiration
2034-09-22

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Abstract

Method for detecting misfires in an internal combustion engine (1) with a camshaft and a plurality of cylinders, which is coupled to a drive train (100) with a dual-mass flywheel (4), comprising the steps of: • Determining a first speed value by measuring a speed on an input side (41) of the dual-mass flywheel (4); • Determining a second speed value by measuring a speed on an output side (43) of the dual-mass flywheel (4), wherein the second speed value is determined in a high-resolution manner; • Assessing the presence of a misfire by including the first speed value and the second speed value; characterized in that misfires are detected cylinder-selectively by including a camshaft position signal in the assessment of the presence of a misfire.
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Citation Information

Patent Citations

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    DE10123037A1

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    DE102008051102A1

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