JPS54121331A - Exhaust gas recycle controller for internal combustion engine - Google Patents
Exhaust gas recycle controller for internal combustion engineInfo
- Publication number
- JPS54121331A JPS54121331A JP2902578A JP2902578A JPS54121331A JP S54121331 A JPS54121331 A JP S54121331A JP 2902578 A JP2902578 A JP 2902578A JP 2902578 A JP2902578 A JP 2902578A JP S54121331 A JPS54121331 A JP S54121331A
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- engine
- exhaust gas
- gas recycle
- spark
- 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 the fall in the output and running property of a engine due to the exhaust gas recycle when the engine is cold, by dispensing with the exhaust gas recycle when the engine remains cold after starting and by performing the exhaust gas recycle depending on the running condition of the engine when the engine temperature of the engine has exceeded a predetermined level.
CONSTITUTION: When the engine is started by closing a main switch 38, a timer 37 is closed to energize the solenoids of three-way solenoid valves 11, 17 to close valve ports connected to negative pressure outlet ports 15, 20. The negative pressure in an intake pipe 2 is strong because a throttle valve 14 is at a degree of opening for idling. This negative pressure is applied to a spark delaying negative pressure chamber R through an opening 22 of intake pipe, a pipe 21, the three- way soleniod valve 17 and a pipe 16 to delay the spark time of a distributor 7. When the timer 37 of an engine starting section is opened, the negative pressure outlet port 15 is connected to a spark advancing negative pressure chamber A and the negative pressure outlet port 20 is connected to the spark delaying negative pressure chamber R to control the spark time depending on the degree of opening of the throttle valve 14. When a water temperature switch 40 is closed in response to the rise in the temperature of cooling water, a valve 29a is shifted to perform the exhaust gas recycle.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2902578A JPS54121331A (en) | 1978-03-14 | 1978-03-14 | Exhaust gas recycle controller for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2902578A JPS54121331A (en) | 1978-03-14 | 1978-03-14 | Exhaust gas recycle controller for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS54121331A true JPS54121331A (en) | 1979-09-20 |
Family
ID=12264866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2902578A Pending JPS54121331A (en) | 1978-03-14 | 1978-03-14 | Exhaust gas recycle controller for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54121331A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5672250A (en) * | 1979-11-15 | 1981-06-16 | Honda Motor Co Ltd | Controller for exhaust gas recirculation in engine |
-
1978
- 1978-03-14 JP JP2902578A patent/JPS54121331A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5672250A (en) * | 1979-11-15 | 1981-06-16 | Honda Motor Co Ltd | Controller for exhaust gas recirculation in engine |
| JPS6147304B2 (en) * | 1979-11-15 | 1986-10-18 | Honda Motor Co Ltd |
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