发明名称 |
Knock detecting apparatus for an internal combustion engine |
摘要 |
The vibrations produced by the knocking in an engine and having frequencies in different frequency bands are detected by a vibration detector having a plurality of resonance frequencies. One of the detection outputs of the vibration detector is selected by a switching circuit or a filter circuit in accordance with the operating conditions of the engine. The ignition timing of the engine is corrected in accordance with the selected detection output.
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申请公布号 |
US4345558(A) |
申请公布日期 |
1982.08.24 |
申请号 |
US19800135929 |
申请日期 |
1980.03.31 |
申请人 |
NIPPON SOKEN, INC. |
发明人 |
YAMAGUCHI, HIROAKI;HATTORI, TADASHI;OOTSUKA, YOSHINORI |
分类号 |
F02P5/152;G01L23/22 |
主分类号 |
F02P5/152 |
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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