JPS572454A - Exhaust gas recirculation system - Google Patents
Exhaust gas recirculation systemInfo
- Publication number
- JPS572454A JPS572454A JP7695280A JP7695280A JPS572454A JP S572454 A JPS572454 A JP S572454A JP 7695280 A JP7695280 A JP 7695280A JP 7695280 A JP7695280 A JP 7695280A JP S572454 A JPS572454 A JP S572454A
- Authority
- JP
- Japan
- Prior art keywords
- passage
- pressure
- exhaust
- chamber
- communicated
- 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
Abstract
PURPOSE: To control difference between the pressure of an atmospheric chamber and the pressure of an exhaust chamber, then maintain a constant content of exhaust gas in the intake air, by communicating through a passage both chambers formed in a pressure control valve by which is controlled the negative pressure of exhaust gas recirculation system.
CONSTITUTION: An intake port 3 and an exhaust port 5 of an intake passage 4 and an exhaust passage 6 are communicated with each other by a reflux passage 30 which has a EGR valve 11. A negative pressure chamber 13' of the EGR valve 11 is communicated with the vincinity of a throttle valve 7 through a negative pressure passage 21, while a pressure control valve 12, which enables to intake the air, is provided in the negative pressure passage 21. The pressure control valve 12 is divided by a diaphragm 14 into the atmospheric chamber 15 and the exhaust chamber 16 which is communicated with a constant-pressure chamber 10 and pressurized by the exhaust pressure. Also, both chambers are communicated through a communicating passage 17, and whose opening formed in the vicinity of the diaphragm 14 is communicating or shutting off the passage in response to a chage of the exhaust pressure in the exhaust chamber, thus carrying on its function of regulation.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7695280A JPS572454A (en) | 1980-06-06 | 1980-06-06 | Exhaust gas recirculation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7695280A JPS572454A (en) | 1980-06-06 | 1980-06-06 | Exhaust gas recirculation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS572454A true JPS572454A (en) | 1982-01-07 |
Family
ID=13620102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7695280A Pending JPS572454A (en) | 1980-06-06 | 1980-06-06 | Exhaust gas recirculation system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS572454A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0251030U (en) * | 1988-09-30 | 1990-04-10 |
-
1980
- 1980-06-06 JP JP7695280A patent/JPS572454A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0251030U (en) * | 1988-09-30 | 1990-04-10 |
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