| 发明名称 |
FUEL SYSTEM INJECTION TIMING DIAGNOSTICS BY ANALYZING CYLINDER PRESSURE SIGNAL |
| 摘要 |
A method for diagnosing combustion within an engine includes monitoring pressure cylinder pressure and generating a measured combustion phasing value for the cylinder at a predetermined metric selected to index the combustion cycle. The measured combustion phasing value is calculated through a Fast Fourier Transform and compared to an expected combustion phasing value.
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| 申请公布号 |
US2009312931(A1) |
申请公布日期 |
2009.12.17 |
| 申请号 |
US20080139735 |
申请日期 |
2008.06.16 |
| 申请人 |
GM GLOBAL TECHNOLOGY OPERATIONS, INC. |
发明人 |
WANG YUE-YUN;HASKARA IBRAHIM;KWEON CHOL-BUM M.;MATEKUNAS FREDERIC ANTON;BATTISTON PAUL ANTHONY |
| 分类号 |
F02D41/00 |
主分类号 |
F02D41/00 |
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