发明名称 EXHAUST GAS CLEANER OF INTERNAL ENGINE
摘要 PURPOSE:To enlarge the freeness of a system by correcting the feedback of secondary air to allow the alternate infiltration of exhaust gases with large and small exhaust air/fuel ratio into three-way catalyst and by expanding an area where higher emission control is feasible.
申请公布号 JPS5393219(A) 申请公布日期 1978.08.16
申请号 JP19770008892 申请日期 1977.01.28
申请人 NIPPON SOKEN 发明人 NAKASE TAKAMICHI;HATSUTORI TADASHI;NAITOU JIYUNICHIROU;KONDOU KENJI
分类号 F01N3/22 主分类号 F01N3/22
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