发明名称 |
Internal combustion engine secondary air control system |
摘要 |
A secondary air control system for an internal combustion engine having an exhaust system provided with exhaust gas treating means adapted for secondary air injection and including a relief valve includes a mechanism which keeps the relief valve open after the valve is opened by a predetermined pump discharge pressure, until a predetermined lower pressure is reached.
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申请公布号 |
US4152893(A) |
申请公布日期 |
1979.05.08 |
申请号 |
US19770799255 |
申请日期 |
1977.05.23 |
申请人 |
TOYOTA JIDOSHA KOGYO KABUSHIKI KAISHA |
发明人 |
WAKITA, NOBUAKI;DEGUCHI, RYUICHI |
分类号 |
F01N3/22;(IPC1-7):F01N3/10 |
主分类号 |
F01N3/22 |
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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