发明名称 |
An air-fuel ratio control device for a vehicle engine. |
摘要 |
<p>An air-fuel ratio control device for an vehicle engine, by which the air-fuel ratio of the air-fuel mixture supplied to a vehicle engine is changed. The device sets the air-fuel ratio to a lean mixture when the engine coolant temperature is higher than a predetermined value and the vehicle speed is higher than a value determined by a time elapsed after engine startup. <IMAGE></p> |
申请公布号 |
EP0440211(A2) |
申请公布日期 |
1991.08.07 |
申请号 |
EP19910101229 |
申请日期 |
1991.01.30 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
TSUKAMOTO, KEISUKE;TAKAOKA, TOSHIO;FUKUMA, TAKAO;YAMASAKI, HIROFUMI |
分类号 |
F02D41/02;F02D41/06;F02D41/14 |
主分类号 |
F02D41/02 |
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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