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Toyota Motor Corp
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Toyota Motor Corp
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Publication date
Application filed by Toyota Motor CorpfiledCriticalToyota Motor Corp
Priority to JP822377ApriorityCriticalpatent/JPS5395421A/en
Publication of JPS5395421ApublicationCriticalpatent/JPS5395421A/en
PURPOSE: To obtain high purification performance to exhaust gas, by supplying secondary air to an engine exhaust system intermittently, and by swaying integral air fuel ratio to the dilute side and the over-concentration side alternatevely.
COPYRIGHT: (C)1978,JPO&Japio
JP822377A1977-01-291977-01-29Exhaust gas purifier for internal combustion engine
PendingJPS5395421A
(en)