JPS6480731A - Engine with exhaust turbosupercharger - Google Patents
Engine with exhaust turbosuperchargerInfo
- Publication number
- JPS6480731A JPS6480731A JP23921787A JP23921787A JPS6480731A JP S6480731 A JPS6480731 A JP S6480731A JP 23921787 A JP23921787 A JP 23921787A JP 23921787 A JP23921787 A JP 23921787A JP S6480731 A JPS6480731 A JP S6480731A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- engine
- catalyst device
- overlapping period
- turbosupercharger
- 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
- Supercharger (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
PURPOSE:To prevent a catalyst device from corrosion by providing a means to change the overlapping period of suction and exhaust valves, a means to detect an engine speed and control means to control these changing means. CONSTITUTION:An exhaust turbosupercharger 11 driven by the energy of exhaust gas and supercharging intake gas and a catalyst device 12 purifying exhaust gas are provided. A means 60 for changing the overlapping period of suction and exhaust valves 5 and 9 and means 23 for detecting engine speed are provided. A means 70 for controlling the means 60 is provided so that in the higher speed range an engine is operated, the overlapping period may become shorten. This can improve the responsibility of an exhaust turbosupercharger preventing the catalyst device corrosion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23921787A JPS6480731A (en) | 1987-09-24 | 1987-09-24 | Engine with exhaust turbosupercharger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23921787A JPS6480731A (en) | 1987-09-24 | 1987-09-24 | Engine with exhaust turbosupercharger |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6480731A true JPS6480731A (en) | 1989-03-27 |
Family
ID=17041488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23921787A Pending JPS6480731A (en) | 1987-09-24 | 1987-09-24 | Engine with exhaust turbosupercharger |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6480731A (en) |
-
1987
- 1987-09-24 JP JP23921787A patent/JPS6480731A/en active Pending
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