发明名称 |
Engine system and engine control method |
摘要 |
In an engine system, an ignition timing is changed in accordance with operation parameters of an engine. The engine system includes an exhaust gas clarifying equipment with a catalyst to clarify the specified components in the exhaust gas, catalyst temperature detecting unit for estimating or detecting the temperature of the catalyst, torque fluctuation detecting unit for detecting the state of fluctuation of an output torque of the engine, and ignition timing calculating unit for calculating the final ignition timing on the basis of the detected results of the torque fluctuation detecting unit and the catalyst temperature detecting unit.
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申请公布号 |
US5894724(A) |
申请公布日期 |
1999.04.20 |
申请号 |
US19960599169 |
申请日期 |
1996.02.09 |
申请人 |
HITACHI, LTD. |
发明人 |
MINOWA, TOSHIMICHI;YOSHIDA, YOSHIYUKI;OCHI, TATSUYA;KASHIWAYA, MINEO;OHYAMA, YOSHISHIGE |
分类号 |
F01N3/20;F01N3/24;F02D41/02;F02D41/04;F02D41/14;F02D45/00;F02P5/15;(IPC1-7):F01N3/00 |
主分类号 |
F01N3/20 |
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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