Invention Grant
- Patent Title: Engine misfire detection
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Application No.: US16154133Application Date: 2018-10-08
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Publication No.: US10983029B2Publication Date: 2021-04-20
- Inventor: Yongjie Zhu , Jun-mo Kang , Chen-fang Chang , David J. Brooks
- Applicant: GM Global Technology Operations LLC
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Main IPC: G01M15/11
- IPC: G01M15/11 ; F02D41/00 ; F02D41/22 ; F02D35/02
Abstract:
A method of detecting misfire in a combustion engine of a motor vehicle engine includes measuring a speed of a crankshaft, calculating a modal coefficient for each cylinder of the combustion engine, and indicating a misfire for at least one of the cylinders based on the calculation of the modal coefficients.
Information query
