发明名称 |
Method and apparatus for recognizing a faulty combustion in an internal combustion engine |
摘要 |
A sensor signal from a sensor which measures vibration of an internal combustion engine is filtered by a filter to provide characteristic frequency components for a normal combustion. When the filter signal remains below a reference value, a fault signal is output to indicate a faulty combustion. The filter may be switchable band-pass filters whose output signals are measured for knocking of the motor or for normal combustion. A programmed control unit evaluates the output signals from the filter within a characteristic time segment.
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申请公布号 |
US5005549(A) |
申请公布日期 |
1991.04.09 |
申请号 |
US19900559384 |
申请日期 |
1990.07.23 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
PERNPEINTNER, ALFONS;FRINZEL, UDO |
分类号 |
F02D41/00;F02D41/14;F02D41/36;F02P5/152;G01L23/22 |
主分类号 |
F02D41/00 |
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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