JPS56138434A - Exhaust gas recirculating device with engine idling speed increaser - Google Patents
Exhaust gas recirculating device with engine idling speed increaserInfo
- Publication number
- JPS56138434A JPS56138434A JP4106680A JP4106680A JPS56138434A JP S56138434 A JPS56138434 A JP S56138434A JP 4106680 A JP4106680 A JP 4106680A JP 4106680 A JP4106680 A JP 4106680A JP S56138434 A JPS56138434 A JP S56138434A
- Authority
- JP
- Japan
- Prior art keywords
- idling speed
- exhaust gas
- valve
- negative pressure
- gas recirculating
- 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
- Output Control And Ontrol Of Special Type Engine (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
PURPOSE: To improve driveability of an engine in its state at high temperature, by connecting the negative pressure chamber of an exhaust gas recirculating (EGR) valve and the diaphragm chamber of an idling speed increasing diaphragm device through a check valve.
CONSTITUTION: When an engine becomes a high temperature state with its temperature not lower than a prescribed degree, the atmospheric air is introduced from an air-fuel ratio corrector 9 via a passage 25 and negative pressure passage 24 on one hand to a diaphragm chamber 72 on the other hand to a negative pressure chamber 32 via a passage 24' through a check valve 8. In this way, a spring 71 in a diaphragm device 7 actuates a throttle valve 61 through a link 65 to perform idling speed-up operation. At this time, an exhaust gas recirculating (EGR) valve 3, because the atmospheric air is introduced to its negative pressure chamber 32, is forcibly closed despite a state of operation of a pressure-regulating valve 5 to perform smooth operation of the engine at its idling speed.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4106680A JPS56138434A (en) | 1980-03-28 | 1980-03-28 | Exhaust gas recirculating device with engine idling speed increaser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4106680A JPS56138434A (en) | 1980-03-28 | 1980-03-28 | Exhaust gas recirculating device with engine idling speed increaser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56138434A true JPS56138434A (en) | 1981-10-29 |
Family
ID=12598056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4106680A Pending JPS56138434A (en) | 1980-03-28 | 1980-03-28 | Exhaust gas recirculating device with engine idling speed increaser |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56138434A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843465A (en) * | 2018-05-18 | 2018-11-20 | 东风商用车有限公司 | A kind of compensation device and compensating control method based on direct current generator EGR valve |
-
1980
- 1980-03-28 JP JP4106680A patent/JPS56138434A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843465A (en) * | 2018-05-18 | 2018-11-20 | 东风商用车有限公司 | A kind of compensation device and compensating control method based on direct current generator EGR valve |
| CN108843465B (en) * | 2018-05-18 | 2019-09-27 | 东风商用车有限公司 | A kind of compensation device and compensating control method based on direct current generator EGR valve |
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