JPS54106728A - Exhaust recycling apparatus for engine - Google Patents
Exhaust recycling apparatus for engineInfo
- Publication number
- JPS54106728A JPS54106728A JP1382078A JP1382078A JPS54106728A JP S54106728 A JPS54106728 A JP S54106728A JP 1382078 A JP1382078 A JP 1382078A JP 1382078 A JP1382078 A JP 1382078A JP S54106728 A JPS54106728 A JP S54106728A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- engine
- negative pressure
- egr
- controller
- 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 Circulating Devices (AREA)
Abstract
PURPOSE: To prevent over enriching by shifting the fuel-air ratio toward high concentration with a self-compensation thereof through EGR when the engine is cool and suspending EGR when the engine runs at a high speed.
CONSTITUTION: A three-way solenoid valve 15 is arranged in the course of a negative pressure passage 14. When the valve 15 is out of action a negative pressure chamber 11b is communicated to a negative pressure outlet 13. On the other hand, when the valve 15 is in action, the chamber 11b is opened to the atmosphere. The valve 15 is provided with a controller 16 which is connected with a device 16 for detecting the warming-up condition of the engine and a device 18 for detecting the presence of the transmission gear at a high speed position. The valve 15 operates only when an actuation signal from both the devices 17 and 18 are inputted to the controller 16 at a time.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1382078A JPS54106728A (en) | 1978-02-08 | 1978-02-08 | Exhaust recycling apparatus for engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1382078A JPS54106728A (en) | 1978-02-08 | 1978-02-08 | Exhaust recycling apparatus for engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54106728A true JPS54106728A (en) | 1979-08-22 |
Family
ID=11843907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1382078A Pending JPS54106728A (en) | 1978-02-08 | 1978-02-08 | Exhaust recycling apparatus for engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54106728A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014224474A (en) * | 2013-05-15 | 2014-12-04 | マツダ株式会社 | Exhaust gas recirculation device for engine |
JP2014224475A (en) * | 2013-05-15 | 2014-12-04 | マツダ株式会社 | Exhaust gas recirculation device for engine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51104127A (en) * | 1975-03-12 | 1976-09-14 | Nissan Motor | |
JPS52154928A (en) * | 1976-06-19 | 1977-12-23 | Mazda Motor Corp | Egr device of engine |
JPS52154927A (en) * | 1976-06-19 | 1977-12-23 | Mazda Motor Corp | Egr device of engine |
-
1978
- 1978-02-08 JP JP1382078A patent/JPS54106728A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51104127A (en) * | 1975-03-12 | 1976-09-14 | Nissan Motor | |
JPS52154928A (en) * | 1976-06-19 | 1977-12-23 | Mazda Motor Corp | Egr device of engine |
JPS52154927A (en) * | 1976-06-19 | 1977-12-23 | Mazda Motor Corp | Egr device of engine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014224474A (en) * | 2013-05-15 | 2014-12-04 | マツダ株式会社 | Exhaust gas recirculation device for engine |
JP2014224475A (en) * | 2013-05-15 | 2014-12-04 | マツダ株式会社 | Exhaust gas recirculation device for engine |
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