JPS52109024A - Exhaust gas purifying device for internal combustion engine - Google Patents

Exhaust gas purifying device for internal combustion engine

Info

Publication number
JPS52109024A
JPS52109024A JP2490776A JP2490776A JPS52109024A JP S52109024 A JPS52109024 A JP S52109024A JP 2490776 A JP2490776 A JP 2490776A JP 2490776 A JP2490776 A JP 2490776A JP S52109024 A JPS52109024 A JP S52109024A
Authority
JP
Japan
Prior art keywords
exhaust gas
combustion engine
internal combustion
gas purifying
purifying device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2490776A
Other languages
Japanese (ja)
Inventor
Etsuro Katahira
Shunzo Yamaguchi
Masashi Kida
Yasuhiko Ishida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Soken Inc
Original Assignee
Nippon Soken Inc
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Soken Inc, Toyota Motor Corp filed Critical Nippon Soken Inc
Priority to JP2490776A priority Critical patent/JPS52109024A/en
Priority to US05/772,277 priority patent/US4175386A/en
Publication of JPS52109024A publication Critical patent/JPS52109024A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

PURPOSE: The oxygen concn. in exhaust that changes by operation condition is detected by an air-fuel ratio detector while feed secondary sir quantity is corrected by using the output characteristic of the air-fuel ratio detector, thus constantly working a ternary catalyzer in a high purifying efficiency range.
COPYRIGHT: (C)1977,JPO&Japio
JP2490776A 1976-03-08 1976-03-08 Exhaust gas purifying device for internal combustion engine Pending JPS52109024A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2490776A JPS52109024A (en) 1976-03-08 1976-03-08 Exhaust gas purifying device for internal combustion engine
US05/772,277 US4175386A (en) 1976-03-08 1977-02-25 Exhaust gas purification apparatus for an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2490776A JPS52109024A (en) 1976-03-08 1976-03-08 Exhaust gas purifying device for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS52109024A true JPS52109024A (en) 1977-09-12

Family

ID=12151238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2490776A Pending JPS52109024A (en) 1976-03-08 1976-03-08 Exhaust gas purifying device for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS52109024A (en)

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