发明名称 |
Diagnosis for multiple cylinder engine |
摘要 |
Methods and systems for diagnosing a multiple cylinder engine are provided herein. An exemplary method of diagnosing an internal combustion engine system having a multi-cylinder internal combustion engine is described. In one example, cylinder air-fuel imbalance is determined from the squared value of a difference of two values.
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申请公布号 |
US8594906(B2) |
申请公布日期 |
2013.11.26 |
申请号 |
US20100732497 |
申请日期 |
2010.03.26 |
申请人 |
SUETSUGU HAJIME;KOJIMA KENJI;HOSOKAI TETSUSHI;RUSSELL JOHN D.;MAZDA MOTOR CORPORATION;FORD GLOBAL TECHNOLOGIES, LLC |
发明人 |
SUETSUGU HAJIME;KOJIMA KENJI;HOSOKAI TETSUSHI;RUSSELL JOHN D. |
分类号 |
B60T7/12;F02D41/00;G01N7/00;G01N33/497;G05D1/00;G06F7/00;G06F17/00 |
主分类号 |
B60T7/12 |
代理机构 |
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地址 |
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