JPS52109024A - Exhaust gas purifying device for internal combustion engine - Google Patents
Exhaust gas purifying device for internal combustion engineInfo
- 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
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
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) |
-
1976
- 1976-03-08 JP JP2490776A patent/JPS52109024A/en active Pending
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