JPS621372Y2 - - Google Patents
Info
- Publication number
- JPS621372Y2 JPS621372Y2 JP6918779U JP6918779U JPS621372Y2 JP S621372 Y2 JPS621372 Y2 JP S621372Y2 JP 6918779 U JP6918779 U JP 6918779U JP 6918779 U JP6918779 U JP 6918779U JP S621372 Y2 JPS621372 Y2 JP S621372Y2
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- secondary air
- engine
- exhaust gas
- valve
- 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.)
- Expired
Links
- 238000000746 purification Methods 0.000 claims description 24
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 241000234435 Lilium Species 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001934 delay Effects 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6918779U JPS621372Y2 (it) | 1979-05-22 | 1979-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6918779U JPS621372Y2 (it) | 1979-05-22 | 1979-05-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55170406U JPS55170406U (it) | 1980-12-06 |
| JPS621372Y2 true JPS621372Y2 (it) | 1987-01-13 |
Family
ID=29303019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6918779U Expired JPS621372Y2 (it) | 1979-05-22 | 1979-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS621372Y2 (it) |
-
1979
- 1979-05-22 JP JP6918779U patent/JPS621372Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55170406U (it) | 1980-12-06 |
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