发明名称 |
SYSTEM AND METHOD FOR KNOCK DETECTION BASED ON ETHANOL CONCENTRATION IN FUEL |
摘要 |
A knock detection system for an engine includes an intensity module, a knock threshold module, and a detection module. The intensity module determines an engine vibration intensity during a first period of engine operation. The knock threshold module determines a knock threshold based on an ethanol concentration in a fuel supplied to the engine. The detection module determines whether engine knock has occurred during the first period by comparing the knock threshold and the engine vibration intensity. |
申请公布号 |
US2012048234(A1) |
申请公布日期 |
2012.03.01 |
申请号 |
US20100899002 |
申请日期 |
2010.10.06 |
申请人 |
HAMAMA WAJDI B.;SAWDON CRAIG M.;FERCH ERIC B.;DEFEVER MATTHEW DAVID;BROADUS HILLARY L.;GM GLOBAL TECHNOLOGY OPERATIONS, INC. |
发明人 |
HAMAMA WAJDI B.;SAWDON CRAIG M.;FERCH ERIC B.;DEFEVER MATTHEW DAVID;BROADUS HILLARY L. |
分类号 |
F02M7/00;G01L23/22;G06F17/18;G06F19/00 |
主分类号 |
F02M7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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