JPS5532999A - Multi-cylinder internal combustion engine - Google Patents
Multi-cylinder internal combustion engineInfo
- Publication number
- JPS5532999A JPS5532999A JP11139679A JP11139679A JPS5532999A JP S5532999 A JPS5532999 A JP S5532999A JP 11139679 A JP11139679 A JP 11139679A JP 11139679 A JP11139679 A JP 11139679A JP S5532999 A JPS5532999 A JP S5532999A
- Authority
- JP
- Japan
- Prior art keywords
- excessively
- exhaust gas
- air
- fuel
- lean air
- 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)
Abstract
PURPOSE: To reduce NOx, CO and HC in the exhaust gas simultaneously and very effectively by providing a thermal reactor receiving the exhaust gas from excessively rich air-fuel mixture cylinders and excessively lean air-fuel mixture cylinders and arranging such as to cause alternate combustion of these air-fuel mixtures.
CONSTITUTION: The opening of an exhaust port 12 is directed in a thermal reactor 13 such that spiral vortex of the exhaust gas of the excessively rich and excessively lean air-fuel mixtures. With this arrangement, the exhaust gases produced from the respective, excessively rich and excessively lean air-fuel mixtures, emerging from the exhaust port 12, cause formation of spiral vortexes from each other, so that they are sufficiently mixed together. Thus, CO and HC in the exhaust gas produced from the excessively rich and excessively lean air-fuel mixtures are almost completely combusted with the residual oxygen in the exhaust gas, and the resultant exhaust gas with low CO and HC concentrations is exhausted through an exhaust tube to atmosphere. In addition, since the cylinders consist of those, in which the combustion is caused at an excessively rich air-to-fuel ratio, and those, in which the combustion is caused at an excessively lean air-to-fuel ratio, the generation of NOx can be extremely reduced.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11139679A JPS5532999A (en) | 1979-08-31 | 1979-08-31 | Multi-cylinder internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11139679A JPS5532999A (en) | 1979-08-31 | 1979-08-31 | Multi-cylinder internal combustion engine |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49037537A Division JPS50130910A (en) | 1974-04-03 | 1974-04-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5532999A true JPS5532999A (en) | 1980-03-07 |
Family
ID=14560085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11139679A Pending JPS5532999A (en) | 1979-08-31 | 1979-08-31 | Multi-cylinder internal combustion engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5532999A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59164896A (en) * | 1983-03-08 | 1984-09-18 | General Eakon Kk | Needle fin type heat exchanger and manufacturing thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3708980A (en) * | 1971-07-26 | 1973-01-09 | Gen Motors Corp | Internal combustion engine and method of operation |
JPS4912235A (en) * | 1972-04-11 | 1974-02-02 |
-
1979
- 1979-08-31 JP JP11139679A patent/JPS5532999A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3708980A (en) * | 1971-07-26 | 1973-01-09 | Gen Motors Corp | Internal combustion engine and method of operation |
JPS4912235A (en) * | 1972-04-11 | 1974-02-02 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59164896A (en) * | 1983-03-08 | 1984-09-18 | General Eakon Kk | Needle fin type heat exchanger and manufacturing thereof |
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